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rfdtec.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rfdtec.com2026-10-18 01:46:13
预估消耗 0 检测点,实际消耗以【检测点账单】为准
29

检测节点

响应时间分布 域名污染分布

污染比例:0%

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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 上海移动44ms 河南驻马店电信1007ms 206.552ms
电信 内蒙古包头电信63ms 河南驻马店电信1007ms 245.75ms
移动 上海移动44ms 北京移动320ms 160.5ms
联通 -67ms 江苏联通339ms 223ms
华东 上海移动44ms 江苏联通339ms 152.875ms
华北 内蒙古包头电信63ms 北京移动320ms 150.857ms
华南 广西玉林电信71ms 广西梧州移动292ms 149.667ms
华中 河南郑州移动119ms 河南驻马店电信1007ms 400.25ms
西北 新疆昌吉回族自治州移动166ms 新疆乌鲁木齐电信422ms 278ms
西南 -126ms 四川成都移动285ms 213ms
东北 辽宁大连电信188ms 辽宁大连电信188ms 188ms
解析占比
全部 电信 移动 联通 被污染
103.21.141.130
103.21.141.130
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
126ms 103.21.141.130[上海电信]
rfdtec.com.		600	IN	A	103.21.141.130
;; Query time: 126 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 17 17:45:24 UTC 2026
;; MSG SIZE  rcvd: 55

详情
详情 HTTP PING DNS
电信 广西玉林
71ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 71 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 河南驻马店
1007ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	900	IN	A	103.21.141.130

;; Query time: 1007 msec
;; SERVER: 192.168.5.1#53(192.168.5.1)
;; WHEN: Sun Oct 18 01:45:25 CST 2026
;; MSG SIZE  rcvd: 235
详情
详情 HTTP PING DNS
电信 湖北天门
248ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 248 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 湖南长沙
227ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 227 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Oct 17 17:45:24 UTC 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 江苏盐城
64ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	606	IN	A	103.21.141.130

;; Query time: 64 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 江西宜春
212ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 212 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 辽宁大连
188ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 188 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 内蒙古包头
63ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	606	IN	A	103.21.141.130

;; Query time: 63 msec
;; SERVER: 114.114.114.114#53(114.114.114.114)
;; WHEN: Sat Oct 17 17:45:24 UTC 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 天津
93ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 93 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 235
详情
详情 HTTP PING DNS
电信 新疆乌鲁木齐
422ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 422 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sun Oct 18 01:44:49 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 重庆
228ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 228 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 内蒙古
186ms 103.21.141.130[上海电信]
rfdtec.com.		600	IN	A	103.21.141.130
;; Query time: 186 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 17 17:45:24 UTC 2026
;; MSG SIZE  rcvd: 44

详情
详情 HTTP PING DNS
移动 安徽六安
130ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 130 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 北京
320ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 320 msec
;; SERVER: 211.136.17.107#53(211.136.17.107)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 广东佛山
86ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	900	IN	A	103.21.141.130

;; Query time: 86 msec
;; SERVER: 120.196.165.24#53(120.196.165.24)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 235
详情
详情 HTTP PING DNS
移动 广西梧州
292ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 292 msec
;; SERVER: 192.168.5.30#53(192.168.5.30)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 河南郑州
119ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 119 msec
;; SERVER: 211.138.24.71#53(211.138.24.71)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 江西宜春
95ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 95 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 65
详情
详情 HTTP PING DNS
移动 山东青岛
93ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 93 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 山西长治
110ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 110 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Oct 17 17:45:24 UTC 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 上海
44ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 44 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 四川成都
285ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 285 msec
;; SERVER: 183.221.253.100#53(183.221.253.100)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 新疆昌吉回族自治州
166ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 166 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
联通 北京
67ms 103.21.141.130[上海电信]
rfdtec.com.		600	IN	A	103.21.141.130
;; Query time: 67 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 17 17:45:24 UTC 2026
;; MSG SIZE  rcvd: 44

详情
详情 HTTP PING DNS
联通 青海
246ms 103.21.141.130[上海电信]
rfdtec.com.		600	IN	A	103.21.141.130
;; Query time: 246 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 17 17:45:24 UTC 2026
;; MSG SIZE  rcvd: 44

详情
详情 HTTP PING DNS
联通 江西
246ms 103.21.141.130[上海电信]
rfdtec.com.		600	IN	A	103.21.141.130
;; Query time: 246 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 17 17:45:24 UTC 2026
;; MSG SIZE  rcvd: 44

详情
详情 HTTP PING DNS
联通 河北廊坊
217ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 217 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Oct 17 17:45:24 UTC 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
联通 江苏
339ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats rfdtec.com
;; global options: +cmd

;; ANSWER SECTION:
rfdtec.com.	600	IN	A	103.21.141.130

;; Query time: 339 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sun Oct 18 01:45:24 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

rfdtec.com 优化建议

1、dns测速在线显示上海电信节点响应快慢差距明显,最快仅44ms而最慢超1007ms,建议使用dns速度在线测试定期复测,结合dns解析速度测试排查高延迟节点,优化dns测速工具采样的覆盖范围。
2、解析结果稳定指向单一IP且无dns污染查询异常,建议通过dns污染检测与dns劫持检测持续监控,利用dns解析查询在线和dns记录查询核实dns解析记录查询的一致性,防止解析被篡改。
3、部分节点响应波动较大,建议以dns检测工具和在线dns测试工具做多轮dns测试,配合dns测速与dns在线查询比对不同运营商表现,并参考dns选优策略提升整体解析稳定性。

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更新时间 2026-10-18 14:47:04
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