521tn.com - robtex.com
521tn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.215.188.33🇭🇰 DXTL-HK154.215.176.0/20 Proxy-registered route object | ||||||
| NS | ns1.dnsip.com ⭐ | ||||||
| A | 2001:df2:f080:1::10🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 1.193.216.199🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.202🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.206🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.dnsip.com | ||||||
| A | 240e:97d:10:1402:0:1:0:1008🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network | ||||||
| A | 61.158.128.1🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 1.128.158.61.ha.cnc | ||||||
| A | 183.253.57.193🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.29🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| A | 211.99.99.33🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.dnsip.comdnsadmin@dnsip.com serial=1751342729 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
521tn.com |
DNS History
18 records (3 active, 15 former)
○NSdns1.iidns.com2015-08-03 → 2015-08-03 · 3 obs
● 2015-08-03 15:06:10
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○NSdns2.iidns.com2015-08-03 → 2015-08-03 · 3 obs
● 2015-08-03 15:06:10
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○NSdns3.iidns.com2015-08-03 → 2015-08-03 · 3 obs
● 2015-08-03 15:06:10
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○NSdns4.iidns.com2015-08-03 → 2015-08-03 · 3 obs
● 2015-08-03 15:06:10
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○NSdns5.iidns.com2015-08-03 → 2015-08-03 · 3 obs
● 2015-08-03 15:06:10
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○NSdns6.iidns.com2015-08-03 → 2015-08-03 · 3 obs
● 2015-08-03 15:06:10
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○ 2016-03-03 08:32:52
○ 2026-03-23 08:09:30
○NSf1g1ns1.dnspod.net2016-03-03 → 2016-03-03 · 4 obs
○ 2015-08-03 15:06:10
● 2016-03-03 08:32:52
○ 2016-06-25 15:46:36
○ 2026-03-23 08:09:30
● 2016-03-03 08:32:52
○ 2016-06-25 15:46:36
○ 2026-03-23 08:09:30
○NSf1g1ns2.dnspod.net2016-03-03 → 2016-03-03 · 4 obs
○ 2015-08-03 15:06:10
● 2016-03-03 08:32:52
○ 2016-06-25 15:46:36
○ 2026-03-23 08:09:30
● 2016-03-03 08:32:52
○ 2016-06-25 15:46:36
○ 2026-03-23 08:09:30
○NSns1.maff.com2016-06-25 → 2019-01-20 · 4 obs
○ 2016-03-03 08:32:52
● 2016-06-25 15:46:36
● 2019-01-20 14:11:26
○ 2026-03-23 08:09:30
● 2016-06-25 15:46:36
● 2019-01-20 14:11:26
○ 2026-03-23 08:09:30
○NSns2.maff.com2016-06-25 → 2019-01-20 · 5 obs
○ 2016-03-03 08:32:52
● 2016-06-25 15:46:36
○ 2017-02-16 21:34:10
● 2019-01-20 14:11:26
○ 2026-03-23 08:09:30
● 2016-06-25 15:46:36
○ 2017-02-16 21:34:10
● 2019-01-20 14:11:26
○ 2026-03-23 08:09:30
○A103.57.26.2522017-02-16 → 2017-02-16 · 4 obs
○ 2016-06-25 15:46:36
● 2017-02-16 21:34:10
○ 2019-01-20 14:11:26
○ 2026-03-23 08:09:30
● 2017-02-16 21:34:10
○ 2019-01-20 14:11:26
○ 2026-03-23 08:09:30
○A116.89.251.1602019-01-20 → 2019-01-20 · 3 obs
○ 2017-02-16 21:34:10
● 2019-01-20 14:11:26
○ 2026-03-23 08:09:30
● 2019-01-20 14:11:26
○ 2026-03-23 08:09:30
●A154.215.188.332026-03-23 → 2026-03-23 · 2 obs
○ 2019-01-20 14:11:26
● 2026-03-23 08:09:30
● 2026-03-23 08:09:30
○A59.188.27.242016-06-25 → 2016-06-25 · 3 obs
● 2016-06-25 15:46:36
○ 2017-02-16 21:34:10
○ 2026-03-23 08:09:30
○ 2017-02-16 21:34:10
○ 2026-03-23 08:09:30
○CNAMEd8444b51e73e7c43.7host.cn2017-02-16 → 2017-02-16 · 4 obs
○ 2016-06-25 15:46:36
● 2017-02-16 21:34:10
○ 2019-01-20 14:11:26
○ 2026-03-23 08:09:30
● 2017-02-16 21:34:10
○ 2019-01-20 14:11:26
○ 2026-03-23 08:09:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 521tn.com | ns1.dnsip.com, ns2.dnsip.com | 9 records |
✅ Authoritative Response
Server:1.193.216.199
NS records: ns1.dnsip.com, ns2.dnsip.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 521tn.com (unsigned zone)
⏱️ Timing
Total: 3509ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.215.188.33 |
| NS | 2 | ns1.dnsip.com, ns2.dnsip.com |
| SOA | 1 | ns1.dnsip.com dnsadmin.dnsip.com |
📌 Glue Records Collected
Total: 9
Out-of-bailiwick: 9 (ns1.dnsip.com, ns1.dnsip.com, ns1.dnsip.com...)
Analysis
IP Addresses
521tn.com points to IP number 154.215.188.33.
Other host names, for instance, shzhileng.com share IP numbers with 521tn.com.
Name Servers
521tn.com is delegated to two name servers: ns1.dnsip.com and ns2.dnsip.com.
521tn.com uses the same name server setup as other domains such as yulongjixie.com, msnshell.cn, gzjsch.com, 74272.one and 9c59ab979663eccc.com.
Five IP numbers for ns2.dnsip.com: ns2.dnsip.com points to 240e:97d:10:1402:0:1:0:1008, 61.158.128.1, 183.253.57.193, 211.99.99.29 and 211.99.99.33.
Four IP numbers for ns1.dnsip.com: ns1.dnsip.com points to 2001:df2:f080:1::10, 1.193.216.199, 218.98.111.202 and 218.98.111.206.