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learningjob.cn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learningjob.cn2026-10-13 01:47:11
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46ms 北京移动3205ms 310.467ms
电信 上海电信46ms 甘肃兰州电信219ms 130.3ms
移动 浙江金华移动139ms 北京移动3205ms 555.2ms
联通 贵州贵阳联通206ms 新疆博尔塔拉蒙古自治州联通328ms 245.9ms
华东 上海电信46ms 福建漳州联通234ms 168.667ms
华北 河北唐山电信103ms 北京移动3205ms 943.5ms
华南 海南澄迈县电信93ms 广东深圳联通209ms 151ms
华中 湖北荆州联通209ms 湖北荆州联通209ms 209ms
西北 宁夏银川电信124ms 新疆博尔塔拉蒙古自治州联通328ms 238.125ms
西南 云南楚雄彝族自治州电信86ms 云南昆明移动636ms 247.667ms
东北 辽宁大连电信143ms -279ms 208.667ms
解析占比
全部 电信 移动 联通 被污染
104.21.65.20
172.67.139.99
104.21.65.20
172.67.139.99
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 西藏
160ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
learningjob.cn.		300	IN	A	104.21.65.20
learningjob.cn.		300	IN	A	172.67.139.99
;; Query time: 160 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 12 17:46:45 UTC 2026
;; MSG SIZE  rcvd: 64

详情
详情 HTTP PING DNS
电信 甘肃兰州
219ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	600	IN	A	172.67.139.99
learningjob.cn.	600	IN	A	104.21.65.20

;; Query time: 219 msec
;; SERVER: 202.100.64.68#53(202.100.64.68)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 748
详情
详情 HTTP PING DNS
电信 海南澄迈县
93ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 93 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 748
详情
详情 HTTP PING DNS
电信 河北唐山
103ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 103 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
电信 辽宁大连
143ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	172.67.139.99
learningjob.cn.	300	IN	A	104.21.65.20

;; Query time: 143 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
电信 宁夏银川
124ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	172.67.139.99
learningjob.cn.	300	IN	A	104.21.65.20

;; Query time: 124 msec
;; SERVER: 202.100.96.68#53(202.100.96.68)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
电信 上海
46ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	600	IN	A	104.21.65.20
learningjob.cn.	600	IN	A	172.67.139.99

;; Query time: 46 msec
;; SERVER: 202.96.209.133#53(202.96.209.133)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 748
详情
详情 HTTP PING DNS
电信 新疆乌鲁木齐
210ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	172.67.139.99
learningjob.cn.	300	IN	A	104.21.65.20

;; Query time: 210 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Oct 13 01:46:12 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
电信 云南楚雄彝族自治州
86ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 86 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 12 17:46:45 UTC 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
电信 重庆
119ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 119 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
移动 西藏
279ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
learningjob.cn.		300	IN	A	104.21.65.20
learningjob.cn.		300	IN	A	172.67.139.99
;; Query time: 279 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 12 17:46:46 UTC 2026
;; MSG SIZE  rcvd: 64

详情
详情 HTTP PING DNS
移动 安徽六安
177ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	600	IN	A	104.21.65.20
learningjob.cn.	600	IN	A	172.67.139.99

;; Query time: 177 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
移动 北京
3205ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	298	IN	A	172.67.139.99
learningjob.cn.	298	IN	A	104.21.65.20

;; Query time: 3205 msec
;; SERVER: 211.136.17.107#53(211.136.17.107)
;; WHEN: Tue Oct 13 01:46:48 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
移动 吉林长春
204ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	172.67.139.99
learningjob.cn.	300	IN	A	104.21.65.20

;; Query time: 204 msec
;; SERVER: 211.141.16.99#53(211.141.16.99)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 748
详情
详情 HTTP PING DNS
移动 江西宜春
187ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	600	IN	A	172.67.139.99
learningjob.cn.	600	IN	A	104.21.65.20

;; Query time: 187 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 103
详情
详情 HTTP PING DNS
移动 山西长治
244ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 244 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 12 17:46:45 UTC 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
移动 天津
222ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	172.67.139.99
learningjob.cn.	300	IN	A	104.21.65.20

;; Query time: 222 msec
;; SERVER: 211.136.17.107#53(211.136.17.107)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
移动 新疆伊犁哈萨克自治州
259ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 259 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
移动 云南昆明
636ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 636 msec
;; SERVER: 211.139.29.150#53(211.139.29.150)
;; WHEN: Tue Oct 13 01:46:46 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
移动 浙江金华
139ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	600	IN	A	104.21.65.20
learningjob.cn.	600	IN	A	172.67.139.99

;; Query time: 139 msec
;; SERVER: 211.140.13.188#53(211.140.13.188)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
联通 青海
235ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
learningjob.cn.		300	IN	A	104.21.65.20
learningjob.cn.		300	IN	A	172.67.139.99
;; Query time: 235 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 12 17:46:46 UTC 2026
;; MSG SIZE  rcvd: 64

详情
详情 HTTP PING DNS
联通 黑龙江
279ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
learningjob.cn.		300	IN	A	104.21.65.20
learningjob.cn.		300	IN	A	172.67.139.99
;; Query time: 279 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 12 17:46:46 UTC 2026
;; MSG SIZE  rcvd: 64

详情
详情 HTTP PING DNS
联通 安徽马鞍山
229ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 229 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
联通 福建漳州
234ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 234 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
联通 甘肃庆阳
276ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 276 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 12 17:46:46 UTC 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
联通 广东深圳
209ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	172.67.139.99
learningjob.cn.	300	IN	A	104.21.65.20

;; Query time: 209 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 12 17:44:32 UTC 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
联通 贵州贵阳
206ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	172.67.139.99
learningjob.cn.	300	IN	A	104.21.65.20

;; Query time: 206 msec
;; SERVER: 221.13.28.234#53(221.13.28.234)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
联通 湖北荆州
209ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
learningjob.cn.		300	IN	A	104.21.65.20
learningjob.cn.		300	IN	A	172.67.139.99
;; Query time: 209 msec
;; SERVER: 114.114.114.114#53(114.114.114.114) (UDP)
;; WHEN: Tue Oct 13 01:46:45 CST 2026
;; MSG SIZE  rcvd: 75

详情
详情 HTTP PING DNS
联通 陕西西安
254ms 104.21.65.20[美国Cloudflare, Inc.]
172.67.139.99[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	104.21.65.20
learningjob.cn.	300	IN	A	172.67.139.99

;; Query time: 254 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 12 17:46:45 UTC 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS
联通 新疆博尔塔拉蒙古自治州
328ms 172.67.139.99[美国Cloudflare, Inc.]
104.21.65.20[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats learningjob.cn
;; global options: +cmd

;; ANSWER SECTION:
learningjob.cn.	300	IN	A	172.67.139.99
learningjob.cn.	300	IN	A	104.21.65.20

;; Query time: 328 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Tue Oct 13 01:46:46 CST 2026
;; MSG SIZE  rcvd: 92
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

learningjob.cn 优化建议

1、检测结果稳定指向两台美国节点,多次解析交替轮询,建议利用dns测速在线工具持续监控节点变化,重点优化dns解析速度测试以缩短平均响应时间,并针对dns历史解析记录查询分析响应波动规律。
2、极个别查询耗时高达数千毫秒,其余查询均在百毫秒级,建议通过dns在线测试与dns检测工具筛选最优回源线路,同时借助dns污染查询排查异常延迟节点,确保dns解析在线服务稳定性。
3、区域差异明显但未明确本地化节点支撑,建议结合dns域名查询与dns解析记录查询评估接入国内公共dns或智能dns选优能力,降低跨境访问损耗,并定期执行dns劫持检测保障解析安全。

其他工具历史

更新时间 2026-10-13 04:09:03
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