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u-coupon.com通过本站DNS查询可进行实时DNS检测,能够迅速检测出在不同地区以及不同网络下对域名解析的结果,检测DNS解析是否遭受污染,查看域名污染在全国的分布状况,还能对域名的A记录、CNAME记录、MX记录、NS记录予以查询。
DNS查询结果u-coupon.com2026-10-03 01:45:08
预估消耗 0 检测点,实际消耗以【检测点账单】为准
30

检测节点

响应时间分布 域名污染分布

污染比例:0%

登录51CESU,立即查看域名污染全国分布情况
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概览 被污染 (0) 状态码4XX (0) 客户端请求错误(请求的资源不存在、权限不足等) 状态码5XX (0) 服务器故障,处理请求时内部出错无法访问 响应超时 (0)
区域/运营商 响应最快 响应最慢 平均响应
全部 上海电信14ms 甘肃兰州电信1032ms 260.933ms
电信 上海电信14ms 甘肃兰州电信1032ms 308.182ms
移动 -123ms 吉林长春移动337ms 190ms
联通 天津联通200ms 河南驻马店联通367ms 265.273ms
华东 上海电信14ms 福建漳州电信1012ms 310.75ms
华北 内蒙古包头电信59ms 河北唐山电信221ms 170.833ms
华南 -123ms 海南海口电信213ms 168ms
华中 湖北襄阳电信59ms 河南驻马店联通367ms 183.667ms
西北 -89ms 甘肃兰州电信1032ms 391.5ms
西南 云南楚雄彝族自治州电信52ms 重庆联通290ms 186ms
东北 吉林长春移动337ms 吉林长春移动337ms 337ms
解析占比
全部 电信 移动 联通 被污染
expired.hichina.com.
8.218.208.240
47.76.127.217
47.91.170.222
expired.hichina.com.
8.218.208.240
47.76.127.217
47.91.170.222
DNS查询详情
全部
响应超时 被污染
节点数:/
检测点
运营商 检测节点

解析时间

解析内容 操作
电信 青海
89ms expired.hichina.com.
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
u-coupon.com.		600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	600	IN	A	8.218.208.240
expired.hichina.com.	600	IN	A	47.76.127.217
expired.hichina.com.	600	IN	A	47.91.170.222
;; Query time: 89 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 02 17:44:54 UTC 2026
;; MSG SIZE  rcvd: 470

详情
详情 HTTP PING DNS
电信 福建漳州
1012ms expired.hichina.com.
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	600	IN	A	47.76.127.217
expired.hichina.com.	600	IN	A	47.91.170.222
expired.hichina.com.	600	IN	A	8.218.208.240

;; Query time: 1012 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 03 01:44:54 CST 2026
;; MSG SIZE  rcvd: 842
详情
详情 HTTP PING DNS
电信 甘肃兰州
1032ms expired.hichina.com.
8.218.208.240[香港香港阿里云]
47.91.170.222[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	600	IN	A	8.218.208.240
expired.hichina.com.	600	IN	A	47.91.170.222
expired.hichina.com.	600	IN	A	47.76.127.217

;; Query time: 1032 msec
;; SERVER: 202.100.64.68#53(202.100.64.68)
;; WHEN: Sat Oct 03 01:44:54 CST 2026
;; MSG SIZE  rcvd: 838
详情
详情 HTTP PING DNS
电信 海南海口
213ms expired.hichina.com.
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	300	IN	A	47.76.127.217
expired.hichina.com.	300	IN	A	47.91.170.222
expired.hichina.com.	300	IN	A	8.218.208.240

;; Query time: 213 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 551
详情
详情 HTTP PING DNS
电信 河北唐山
221ms expired.hichina.com.
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	106	IN	A	8.218.208.240
expired.hichina.com.	106	IN	A	47.76.127.217
expired.hichina.com.	106	IN	A	47.91.170.222

;; Query time: 221 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
电信 湖北襄阳
59ms expired.hichina.com.
47.76.127.217[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.91.170.222[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	35	IN	A	47.76.127.217
expired.hichina.com.	35	IN	A	8.218.208.240
expired.hichina.com.	35	IN	A	47.91.170.222

;; Query time: 59 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Oct 02 17:44:53 UTC 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
电信 内蒙古包头
59ms expired.hichina.com.
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	606	IN	CNAME	expired.hichina.com.
expired.hichina.com.	606	IN	A	8.218.208.240
expired.hichina.com.	606	IN	A	47.76.127.217
expired.hichina.com.	606	IN	A	47.91.170.222

;; Query time: 59 msec
;; SERVER: 114.114.114.114#53(114.114.114.114)
;; WHEN: Fri Oct 02 17:44:58 UTC 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
电信 山西长治
194ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	581	IN	A	47.91.170.222
expired.hichina.com.	581	IN	A	8.218.208.240
expired.hichina.com.	581	IN	A	47.76.127.217

;; Query time: 194 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 02 17:44:53 UTC 2026
;; MSG SIZE  rcvd: 842
详情
详情 HTTP PING DNS
电信 上海
14ms expired.hichina.com.
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	600	IN	A	47.76.127.217
expired.hichina.com.	600	IN	A	47.91.170.222
expired.hichina.com.	600	IN	A	8.218.208.240

;; Query time: 14 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 838
详情
详情 HTTP PING DNS
电信 新疆乌鲁木齐
445ms expired.hichina.com.
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	177	IN	A	47.76.127.217
expired.hichina.com.	177	IN	A	47.91.170.222
expired.hichina.com.	177	IN	A	8.218.208.240

;; Query time: 445 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Oct 03 01:44:24 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
电信 云南楚雄彝族自治州
52ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
47.76.127.217[香港香港阿里云]
8.218.208.240[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	451	IN	A	47.91.170.222
expired.hichina.com.	451	IN	A	47.76.127.217
expired.hichina.com.	451	IN	A	8.218.208.240

;; Query time: 52 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 02 17:44:53 UTC 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
移动 海南
123ms expired.hichina.com.
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
u-coupon.com.		600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	553	IN	A	8.218.208.240
expired.hichina.com.	553	IN	A	47.76.127.217
expired.hichina.com.	553	IN	A	47.91.170.222
;; Query time: 123 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 02 17:44:54 UTC 2026
;; MSG SIZE  rcvd: 467

详情
详情 HTTP PING DNS
移动 河南郑州
125ms expired.hichina.com.
8.218.208.240[香港香港阿里云]
47.91.170.222[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	600	IN	A	8.218.208.240
expired.hichina.com.	600	IN	A	47.91.170.222
expired.hichina.com.	600	IN	A	47.76.127.217

;; Query time: 125 msec
;; SERVER: 211.138.24.71#53(211.138.24.71)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
移动 吉林长春
337ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	149	IN	A	47.91.170.222
expired.hichina.com.	149	IN	A	8.218.208.240
expired.hichina.com.	149	IN	A	47.76.127.217

;; Query time: 337 msec
;; SERVER: 211.141.16.99#53(211.141.16.99)
;; WHEN: Sat Oct 03 01:44:54 CST 2026
;; MSG SIZE  rcvd: 842
详情
详情 HTTP PING DNS
移动 内蒙古阿拉善盟
144ms expired.hichina.com.
47.76.127.217[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.91.170.222[香港香港阿里云]
u-coupon.com.		600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	274	IN	A	47.76.127.217
expired.hichina.com.	274	IN	A	8.218.208.240
expired.hichina.com.	274	IN	A	47.91.170.222
;; Query time: 144 msec
;; SERVER: 211.138.91.1#53(211.138.91.1) (UDP)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 108

详情
详情 HTTP PING DNS
移动 宁夏银川
255ms expired.hichina.com.
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	349	IN	A	47.76.127.217
expired.hichina.com.	349	IN	A	47.91.170.222
expired.hichina.com.	349	IN	A	8.218.208.240

;; Query time: 255 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 853
详情
详情 HTTP PING DNS
移动 青海西宁
195ms expired.hichina.com.
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	448	IN	A	8.218.208.240
expired.hichina.com.	448	IN	A	47.76.127.217
expired.hichina.com.	448	IN	A	47.91.170.222

;; Query time: 195 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
移动 上海
207ms expired.hichina.com.
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	249	IN	A	8.218.208.240
expired.hichina.com.	249	IN	A	47.76.127.217
expired.hichina.com.	249	IN	A	47.91.170.222

;; Query time: 207 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
移动 重庆
134ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	541	IN	A	47.91.170.222
expired.hichina.com.	541	IN	A	8.218.208.240
expired.hichina.com.	541	IN	A	47.76.127.217

;; Query time: 134 msec
;; SERVER: 192.168.68.1#53(192.168.68.1)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
联通 江西
307ms expired.hichina.com.
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
47.91.170.222[香港香港阿里云]
u-coupon.com.		600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	206	IN	A	8.218.208.240
expired.hichina.com.	206	IN	A	47.76.127.217
expired.hichina.com.	206	IN	A	47.91.170.222
;; Query time: 307 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 02 17:44:54 UTC 2026
;; MSG SIZE  rcvd: 108

详情
详情 HTTP PING DNS
联通 安徽亳州
275ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	49	IN	A	47.91.170.222
expired.hichina.com.	49	IN	A	8.218.208.240
expired.hichina.com.	49	IN	A	47.76.127.217

;; Query time: 275 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Oct 02 17:44:54 UTC 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
联通 福建福州
206ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
47.76.127.217[香港香港阿里云]
8.218.208.240[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	403	IN	A	47.91.170.222
expired.hichina.com.	403	IN	A	47.76.127.217
expired.hichina.com.	403	IN	A	8.218.208.240

;; Query time: 206 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
联通 河南驻马店
367ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
47.76.127.217[香港香港阿里云]
8.218.208.240[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	600	IN	A	47.91.170.222
expired.hichina.com.	600	IN	A	47.76.127.217
expired.hichina.com.	600	IN	A	8.218.208.240

;; Query time: 367 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Oct 03 01:44:54 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
联通 江苏泰州
219ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	115	IN	A	47.91.170.222
expired.hichina.com.	115	IN	A	8.218.208.240
expired.hichina.com.	115	IN	A	47.76.127.217

;; Query time: 219 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
联通 山西长治
207ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	499	IN	A	47.91.170.222
expired.hichina.com.	499	IN	A	8.218.208.240
expired.hichina.com.	499	IN	A	47.76.127.217

;; Query time: 207 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 02 17:44:53 UTC 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
联通 陕西渭南
333ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	600	IN	A	47.91.170.222
expired.hichina.com.	600	IN	A	8.218.208.240
expired.hichina.com.	600	IN	A	47.76.127.217

;; Query time: 333 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 02 17:44:54 UTC 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
联通 上海
246ms expired.hichina.com.
8.218.208.240[香港香港阿里云]
47.91.170.222[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	258	IN	A	8.218.208.240
expired.hichina.com.	258	IN	A	47.91.170.222
expired.hichina.com.	258	IN	A	47.76.127.217

;; Query time: 246 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
联通 天津
200ms expired.hichina.com.
47.91.170.222[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.76.127.217[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	218	IN	A	47.91.170.222
expired.hichina.com.	218	IN	A	8.218.208.240
expired.hichina.com.	218	IN	A	47.76.127.217

;; Query time: 200 msec
;; SERVER: 202.99.96.68#53(202.99.96.68)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
联通 云南昆明
268ms expired.hichina.com.
47.76.127.217[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.91.170.222[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	594	IN	A	47.76.127.217
expired.hichina.com.	594	IN	A	8.218.208.240
expired.hichina.com.	594	IN	A	47.91.170.222

;; Query time: 268 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 03 01:44:53 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS
联通 重庆
290ms expired.hichina.com.
47.76.127.217[香港香港阿里云]
8.218.208.240[香港香港阿里云]
47.91.170.222[香港香港阿里云]
; <<>> DiG Go <<>> +noall +answer +stats u-coupon.com
;; global options: +cmd

;; ANSWER SECTION:
u-coupon.com.	600	IN	CNAME	expired.hichina.com.
expired.hichina.com.	352	IN	A	47.76.127.217
expired.hichina.com.	352	IN	A	8.218.208.240
expired.hichina.com.	352	IN	A	47.91.170.222

;; Query time: 290 msec
;; SERVER: 221.5.203.98#53(221.5.203.98)
;; WHEN: Sat Oct 03 01:44:54 CST 2026
;; MSG SIZE  rcvd: 180
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

u-coupon.com 优化建议

1、检测显示域名解析记录均指向香港阿里云节点,但已过期状态混入解析结果,建议优先通过dns历史解析记录查询确认域名当前状态,并借助dns解析查询工具对比各节点响应差异,同时利用dns污染检测工具排查是否存在解析异常,最后结合dns速度在线测试结果优化节点选择。
2、多个查询时段响应时间波动明显,从14ms到1032ms不等,说明dns解析速度测试结果不稳定,建议使用dns测速工具对香港节点进行持续监测,并通过在线测试最佳dns筛选低延迟节点,同时参考dns检测工具评估是否存在劫持风险,最终根据dns解析在线数据调整配置。
3、解析结果中反复出现同一批阿里云IP但顺序频繁变化,可能影响dns解析查询效率,建议启用dns在线查询功能验证轮询机制是否正常,并利用dns污染在线检测网站确认无异常干扰,再结合dns查询网站分析各区域访问质量,最终通过dns测试工具优化解析策略。

其他工具历史

更新时间 2026-10-03 04:41:02
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