821u.cn - robtex.com
821u.cn
| DNSSEC | ⚠️ Not signed | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034776187 | ||||||
Same first word
Similar names
12u8.com |
u821.cn |
128u.cc |
u812.info |
1u82.com |
u218.com |
u281.cn |
2u81.com |
182u.com |
u218.de |
21u8.casino |
218u.com |
2u18.com |
812u.com |
u182.com |
81u2.cn |
281u.com |
u821.com |
812u.casino |
128u.com |
u218.tv |
u281.com |
DNS History
13 records (0 active, 13 former)
○NSdns23.hichina.com2018-11-15 → 2018-11-15 · 4 obs
○ 2017-02-17 17:26:22
● 2018-11-15 01:06:12
○ 2026-04-05 06:22:20
○ 2026-05-10 23:53:00
● 2018-11-15 01:06:12
○ 2026-04-05 06:22:20
○ 2026-05-10 23:53:00
○NSdns24.hichina.com2018-11-15 → 2018-11-15 · 4 obs
○ 2017-02-17 17:26:22
● 2018-11-15 01:06:12
○ 2026-04-05 06:22:20
○ 2026-05-10 23:53:00
● 2018-11-15 01:06:12
○ 2026-04-05 06:22:20
○ 2026-05-10 23:53:00
○NSf1g1ns1.dnspod.net2015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 21:01:38
○ 2016-02-10 09:11:32
○ 2026-05-10 23:53:00
○ 2016-02-10 09:11:32
○ 2026-05-10 23:53:00
○NSf1g1ns2.dnspod.net2015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 21:01:38
○ 2016-02-10 09:11:32
○ 2026-05-10 23:53:00
○ 2016-02-10 09:11:32
○ 2026-05-10 23:53:00
○NSns1.22.cn2016-02-10 → 2016-04-25 · 5 obs
○ 2015-07-17 21:01:38
● 2016-02-10 09:11:32
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
● 2016-02-10 09:11:32
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
○NSns2.22.cn2016-02-10 → 2016-04-25 · 5 obs
○ 2015-07-17 21:01:38
● 2016-02-10 09:11:32
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
● 2016-02-10 09:11:32
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
○NSns3.22.cn2016-02-10 → 2016-04-25 · 5 obs
○ 2015-07-17 21:01:38
● 2016-02-10 09:11:32
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
● 2016-02-10 09:11:32
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
○NSns4.22.cn2016-02-10 → 2016-04-25 · 5 obs
○ 2015-07-17 21:01:38
● 2016-02-10 09:11:32
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
● 2016-02-10 09:11:32
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
○A107.167.19.742016-04-25 → 2016-04-25 · 4 obs
○ 2015-07-17 21:01:38
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
○A107.167.19.752016-04-25 → 2016-04-25 · 4 obs
○ 2015-07-17 21:01:38
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
● 2016-04-25 11:45:28
○ 2017-02-17 17:26:22
○ 2026-05-10 23:53:00
○A107.167.77.2322015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 21:01:38
○ 2016-04-25 11:45:28
○ 2026-05-10 23:53:00
○ 2016-04-25 11:45:28
○ 2026-05-10 23:53:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, c.dns.cn, b.dns.cn, a.dns.cn... | - |
✅ Authoritative Response
Server:203.119.26.1
NS records: e.dns.cn, c.dns.cn, b.dns.cn, a.dns.cn, d.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 535ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|