nullstring.top的DNS测速结果_dns解析查询

工具简介

nullstring.top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nullstring.top2026-10-17 01:45:10

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

区域/运营商	响应最快	响应最慢	平均响应
全部	-25ms	海南三亚联通127ms	60.214ms
电信	-25ms	重庆电信80ms	57.182ms
移动	吉林长春移动47ms	云南昆明移动109ms	64.375ms
联通	天津联通28ms	海南三亚联通127ms	60.222ms
华东	上海联通30ms	-72ms	57.429ms
华北	-25ms	-52ms	33.8ms
华南	海南三亚移动72ms	海南三亚联通127ms	99.5ms
华中	河南南阳联通48ms	湖南邵阳联通70ms	63ms
西北	青海西宁电信63ms	-66ms	64ms
西南	云南昆明电信47ms	云南昆明移动109ms	70.8ms
东北	吉林长春移动47ms	黑龙江大庆电信71ms	59ms

解析占比

全部1 电信1 移动1 联通1 被污染0

复制IP

39.104.73.21

39.104.73.21 100%

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	25ms	39.104.73.21[北京阿里云]	nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 25 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 16 17:44:47 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信安徽合肥	61ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 61 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Fri Oct 16 17:44:47 UTC 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信福建漳州	56ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 56 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 17 01:44:46 CST 2026 ;; MSG SIZE rcvd: 770 详情详情 HTTP PING DNS
电信贵州黔南布依族苗族自治州	64ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 64 msec ;; SERVER: 192.168.110.1#53(192.168.110.1) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信河北承德	31ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 31 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 17 01:44:46 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信黑龙江大庆	71ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 71 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 17 01:44:46 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信湖北天门	66ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 66 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 17 01:44:46 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信江西南昌	65ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 65 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信青海西宁	63ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 63 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 770 详情详情 HTTP PING DNS
电信云南昆明	47ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 47 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信重庆	80ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 80 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
移动内蒙古	52ms	39.104.73.21[北京阿里云]	nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 52 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 16 17:44:47 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
移动广东广州	63ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 63 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
移动贵州黔南布依族苗族自治州	54ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 3600 IN A 39.104.73.21 ;; Query time: 54 msec ;; SERVER: 192.168.1.1#53(192.168.1.1) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 781 详情详情 HTTP PING DNS
移动海南三亚	72ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 72 msec ;; SERVER: 221.176.88.95#53(221.176.88.95) ;; WHEN: Sat Oct 17 01:44:42 CST 2026 ;; MSG SIZE rcvd: 781 详情详情 HTTP PING DNS
移动吉林长春	47ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 47 msec ;; SERVER: 211.141.16.99#53(211.141.16.99) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 770 详情详情 HTTP PING DNS
移动江苏无锡	69ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 69 msec ;; SERVER: 221.131.143.69#53(221.131.143.69) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
移动江西宜春	49ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 49 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 17 01:44:46 CST 2026 ;; MSG SIZE rcvd: 73 详情详情 HTTP PING DNS
移动云南昆明	109ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 109 msec ;; SERVER: 211.139.29.150#53(211.139.29.150) ;; WHEN: Sat Oct 17 01:44:52 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通青海	66ms	39.104.73.21[北京阿里云]	nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 66 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 16 17:44:47 UTC 2026 ;; MSG SIZE rcvd: 59 详情详情 HTTP PING DNS
联通江西	72ms	39.104.73.21[北京阿里云]	nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 72 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 16 17:44:47 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通海南三亚	127ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 127 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Fri Oct 16 17:44:47 UTC 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通河南南阳	48ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 48 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 17 01:44:46 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通湖北宜昌	68ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 68 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通湖南邵阳	70ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 70 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Fri Oct 16 17:44:47 UTC 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通山西长治	33ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 33 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Fri Oct 16 17:44:47 UTC 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通上海	30ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 30 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通天津	28ms	39.104.73.21[北京阿里云]	; <<>> DiG Go <<>> +noall +answer +stats nullstring.top ;; global options: +cmd ;; ANSWER SECTION: nullstring.top. 600 IN A 39.104.73.21 ;; Query time: 28 msec ;; SERVER: 202.99.96.68#53(202.99.96.68) ;; WHEN: Sat Oct 17 01:44:47 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS

查询结果仅供参考，不保证100%准确。

nullstring.top 优化建议

1、dns延迟测试显示28节点均指向北京阿里云单一IP，建议增加dns解析查询在线与dns测速服务，提升dns解析速度测试稳定性。
2、dns污染检测与dns历史解析记录查询未见异常，建议启用智能dns与dns轮询，搭配dns检测工具定期做dns测速在线检查。
3、在线测试dns速度发现快慢节点差距明显，建议用dns查询工具查看dns解析记录查询结果，并借助站长工具 dns优化北京网通dns等区域节点。

其他工具历史

更新时间 2026-10-17 03:39:02

	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