if21.cn的DNS测速结果_dns解析查询

工具简介

if21.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if21.cn2026-10-11 02:09:27

预估消耗 0 检测点，实际消耗以【检测点账单】为准

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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概览响应超时 (1)

区域/运营商	响应最快	响应最慢	平均响应
全部	-18ms	宁夏银川联通747ms	89.621ms
电信	-18ms	浙江宁波电信417ms	85.6ms
移动	广东广州移动18ms	重庆移动79ms	45.8ms
联通	天津联通33ms	宁夏银川联通747ms	142.778ms
华东	-20ms	浙江宁波电信417ms	111.857ms
华北	-18ms	内蒙古阿拉善盟移动60ms	37.4ms
华南	广东广州移动18ms	广东深圳联通89ms	49ms
华中	湖南长沙电信35ms	河南洛阳移动72ms	56.4ms
西北	甘肃庆阳电信54ms	宁夏银川联通747ms	285.333ms
西南	云南楚雄彝族自治州电信45ms	重庆移动79ms	61.25ms
东北	吉林长春移动50ms	吉林长春移动50ms	50ms

解析占比

全部1 电信1 移动1 联通1 被污染0

复制IP

1.15.35.102

1.15.35.102 96.667%

DNS查询详情

全部

响应超时0 被污染0

节点数：/

检测点运营商检测节点	解析时间	解析内容	操作
电信北京	18ms	1.15.35.102[上海腾讯]	if21.cn. 600 IN A 1.15.35.102 ;; Query time: 18 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 10 18:08:16 UTC 2026 ;; MSG SIZE rcvd: 41 详情详情 HTTP PING DNS
电信黑龙江	0ms	没有记录	dig: isc_taskmgr_create: no available threads 详情详情 HTTP PING DNS
电信甘肃庆阳	54ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 54 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sat Oct 10 18:08:16 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信广西桂林	57ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 57 msec ;; SERVER: 202.103.225.68#53(202.103.225.68) ;; WHEN: Sun Oct 11 02:08:16 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信河南驻马店	53ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 900 IN A 1.15.35.102 ;; Query time: 53 msec ;; SERVER: 192.168.5.1#53(192.168.5.1) ;; WHEN: Sun Oct 11 02:08:16 CST 2026 ;; MSG SIZE rcvd: 742 详情详情 HTTP PING DNS
电信湖北宜昌	53ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 53 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sun Oct 11 02:08:16 CST 2026 ;; MSG SIZE rcvd: 742 详情详情 HTTP PING DNS
电信湖南长沙	35ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 35 msec ;; SERVER: 222.246.129.80#53(222.246.129.80) ;; WHEN: Sun Oct 11 02:08:15 CST 2026 ;; MSG SIZE rcvd: 59 详情详情 HTTP PING DNS
电信江苏盐城	58ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 609 IN A 1.15.35.102 ;; Query time: 58 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Oct 11 02:08:15 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信云南楚雄彝族自治州	45ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 45 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sat Oct 10 18:08:16 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信浙江宁波	417ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 417 msec ;; SERVER: 61.153.81.75#53(61.153.81.75) ;; WHEN: Sun Oct 11 02:08:16 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信重庆	66ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 66 msec ;; SERVER: 61.128.128.68#53(61.128.128.68) ;; WHEN: Sun Oct 11 02:08:15 CST 2026 ;; MSG SIZE rcvd: 742 详情详情 HTTP PING DNS
移动浙江	20ms	1.15.35.102[上海腾讯]	if21.cn. 600 IN A 1.15.35.102 ;; Query time: 20 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 10 18:08:36 UTC 2026 ;; MSG SIZE rcvd: 41 详情详情 HTTP PING DNS
移动海南	32ms	1.15.35.102[上海腾讯]	if21.cn. 600 IN A 1.15.35.102 ;; Query time: 32 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 10 18:08:16 UTC 2026 ;; MSG SIZE rcvd: 415 详情详情 HTTP PING DNS
移动广东广州	18ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 900 IN A 1.15.35.102 ;; Query time: 18 msec ;; SERVER: 211.136.192.6#53(211.136.192.6) ;; WHEN: Sun Oct 11 02:08:15 CST 2026 ;; MSG SIZE rcvd: 742 详情详情 HTTP PING DNS
移动河南洛阳	72ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 72 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Sun Oct 11 02:08:16 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
移动吉林长春	50ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 50 msec ;; SERVER: 211.141.16.99#53(211.141.16.99) ;; WHEN: Sun Oct 11 02:08:16 CST 2026 ;; MSG SIZE rcvd: 742 详情详情 HTTP PING DNS
移动江西宜春	33ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 33 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Oct 11 02:08:15 CST 2026 ;; MSG SIZE rcvd: 59 详情详情 HTTP PING DNS
移动内蒙古阿拉善盟	60ms	1.15.35.102[上海腾讯]	if21.cn. 600 IN A 1.15.35.102 ;; Query time: 60 msec ;; SERVER: 211.138.91.1#53(211.138.91.1) (UDP) ;; WHEN: Sun Oct 11 02:08:16 CST 2026 ;; MSG SIZE rcvd: 41 详情详情 HTTP PING DNS
移动山西长治	39ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 39 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sat Oct 10 18:08:16 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
移动陕西西安	55ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 55 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sat Oct 10 18:08:16 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
移动重庆	79ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 79 msec ;; SERVER: 192.168.68.1#53(192.168.68.1) ;; WHEN: Sun Oct 11 02:08:16 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通江西	74ms	1.15.35.102[上海腾讯]	if21.cn. 600 IN A 1.15.35.102 ;; Query time: 74 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 10 18:08:16 UTC 2026 ;; MSG SIZE rcvd: 41 详情详情 HTTP PING DNS
联通福建福州	68ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 68 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Oct 11 02:08:15 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通广东深圳	89ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 89 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sat Oct 10 18:06:04 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通河南平顶山	69ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 69 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Sat Oct 10 18:08:16 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通江苏	113ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 113 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Oct 11 02:08:15 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通宁夏银川	747ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 747 msec ;; SERVER: 192.168.101.1#53(192.168.101.1) ;; WHEN: Sun Oct 11 02:08:16 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通山西临汾	37ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 37 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Sat Oct 10 18:08:16 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通天津	33ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 33 msec ;; SERVER: 202.99.96.68#53(202.99.96.68) ;; WHEN: Sun Oct 11 02:08:15 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通云南昆明	55ms	1.15.35.102[上海腾讯]	; <<>> DiG Go <<>> +noall +answer +stats if21.cn ;; global options: +cmd ;; ANSWER SECTION: if21.cn. 600 IN A 1.15.35.102 ;; Query time: 55 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Oct 11 02:08:15 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS

查询结果仅供参考，不保证100%准确。

if21.cn 优化建议

1、解析统一指向1.15.35.102[上海腾讯]，无污染或劫持，建议重点优化dns解析在线测试覆盖节点分布，结合dns测速工具补充多地响应参考，提升dns检测工具对上海节点差异的研判。
2、响应耗时存在35ms至747ms跳跃，建议利用dns测速在线功能增加不同区段采样，引入dns解析记录查询比对历史延迟，并借助在线dns测试工具识别异常波动时段。
3、全部查询返回单一目标，建议部署dns历史解析记录查询与dns在线查询备用线路，结合dns污染检测工具验证线路冗余，增强dns速度在线测试容错能力。

其他工具历史

更新时间 2026-10-11 06:32:03

	游客	注册用户
检测次数/工具/日	5	50
批量检测数量上限	不支持	10
每日登录奖励	不支持	最高 140 点
监控任务/API	不支持	支持