u621.com - robtex.com
u621.com
| CNAME | tiefour.ns01.ru | ||||||
| CNAME | rnbfxqye.n.ttge.ru | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 206.237.0.83🇭🇰 XNNET206.237.0.0/24 Proxy-registered route object | ||||||
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=1775966497 | ||||||
Subdomains
www.u621.com |
Same first word
u621.com |
Similar names
DNS History
16 records (3 active, 13 former)
○NSa.dnspod.com2015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 15:08:16
○ 2016-12-01 01:47:04
○ 2026-04-12 04:10:12
○ 2016-12-01 01:47:04
○ 2026-04-12 04:10:12
○NSb.dnspod.com2015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 15:08:16
○ 2016-12-01 01:47:04
○ 2026-04-12 04:10:12
○ 2016-12-01 01:47:04
○ 2026-04-12 04:10:12
○NSc.dnspod.com2015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 15:08:16
○ 2016-12-01 01:47:04
○ 2026-04-12 04:10:12
○ 2016-12-01 01:47:04
○ 2026-04-12 04:10:12
○NSns1.22.cn2016-12-01 → 2016-12-01 · 4 obs
○ 2015-07-21 15:08:16
● 2016-12-01 01:47:04
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
● 2016-12-01 01:47:04
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
○NSns2.22.cn2016-12-01 → 2016-12-01 · 4 obs
○ 2015-07-21 15:08:16
● 2016-12-01 01:47:04
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
● 2016-12-01 01:47:04
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
○NSns3.22.cn2016-12-01 → 2016-12-01 · 4 obs
○ 2015-07-21 15:08:16
● 2016-12-01 01:47:04
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
● 2016-12-01 01:47:04
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
○NSns4.22.cn2016-12-01 → 2016-12-01 · 4 obs
○ 2015-07-21 15:08:16
● 2016-12-01 01:47:04
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
● 2016-12-01 01:47:04
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
●NSns7.alidns.com2026-02-27 → 2026-04-12 · 3 obs
○ 2017-06-29 10:17:12
● 2026-02-27 03:41:02
● 2026-04-12 04:10:12
● 2026-02-27 03:41:02
● 2026-04-12 04:10:12
●NSns8.alidns.com2026-02-27 → 2026-04-12 · 3 obs
○ 2017-06-29 10:17:12
● 2026-02-27 03:41:02
● 2026-04-12 04:10:12
● 2026-02-27 03:41:02
● 2026-04-12 04:10:12
○A104.37.244.2002015-11-17 → 2016-02-11 · 5 obs
○ 2015-07-21 15:08:16
● 2015-11-17 04:28:32
● 2016-02-11 18:17:50
○ 2016-12-01 01:47:04
○ 2026-04-12 04:10:12
● 2015-11-17 04:28:32
● 2016-02-11 18:17:50
○ 2016-12-01 01:47:04
○ 2026-04-12 04:10:12
○A47.89.49.222016-12-01 → 2016-12-01 · 4 obs
○ 2016-02-11 18:17:50
● 2016-12-01 01:47:04
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
● 2016-12-01 01:47:04
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
○A77.92.76.1752015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 15:08:16
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
○ 2017-06-29 10:17:12
○ 2026-04-12 04:10:12
○CNAME0399.cc2015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 15:08:16
○ 2015-11-17 04:28:32
○ 2026-04-12 04:10:12
○ 2015-11-17 04:28:32
○ 2026-04-12 04:10:12
○CNAME22pk.lncdn.com2017-06-29 → 2017-06-29 · 4 obs
○ 2016-12-01 01:47:04
● 2017-06-29 10:17:12
○ 2026-02-27 03:41:02
○ 2026-04-12 04:10:12
● 2017-06-29 10:17:12
○ 2026-02-27 03:41:02
○ 2026-04-12 04:10:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| u621.com | ns7.alidns.com, ns8.alidns.com | 18 records |
✅ Authoritative Response
Server:120.76.107.48
NS records: ns7.alidns.com, ns8.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u621.com (unsigned zone)
⏱️ Timing
Total: 800ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns7.alidns.com, ns8.alidns.com |
| CNAME | 1 | tiefour.ns01.ru |
| SOA | 1 | ns7.alidns.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (ns7.alidns.com, ns7.alidns.com, ns7.alidns.com...)
Analysis
Hierarchy
The parent of www.u621.com is u621.com.
IP Addresses
u621.com points to a single IP: 206.237.0.83.
Other host names, such as rnbfxqye.n.ttge.ru, share IP numbers with u621.com.