12db.cn - robtex.com
12db.cn
| DNSSEC | ⚠️ Not signed | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034546407 | ||||||
Same first word
Similar names
bd21.cn |
db21.de |
2bd1.be |
21db.com |
1b2d.com |
db21.cn |
db21.ru |
d21b.com |
12bd.com |
db21.com |
bd12.live |
bd21.info |
21db.cn |
1d2b.fr |
DNS History
12 records (0 active, 12 former)
○NSdns10.hichina.com2017-03-25 → 2020-02-07 · 5 obs
○ 2015-11-29 23:12:10
● 2017-03-25 19:22:22
● 2020-02-07 07:18:14
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
● 2017-03-25 19:22:22
● 2020-02-07 07:18:14
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
○NSdns9.hichina.com2017-03-25 → 2020-02-07 · 5 obs
○ 2015-11-29 23:12:10
● 2017-03-25 19:22:22
● 2020-02-07 07:18:14
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
● 2017-03-25 19:22:22
● 2020-02-07 07:18:14
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
○NSexpire1.gname-dns.com2026-03-18 → 2026-03-18 · 2 obs
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
○ 2026-03-18 22:55:04
○NSexpire2.gname-dns.com2026-03-18 → 2026-03-18 · 2 obs
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
○ 2026-03-18 22:55:04
○NSf1g1ns1.dnspod.net2015-08-10 → 2015-08-10 · 3 obs
● 2015-08-10 03:12:38
○ 2015-11-29 23:12:10
○ 2026-03-18 22:55:04
○ 2015-11-29 23:12:10
○ 2026-03-18 22:55:04
○NSf1g1ns2.dnspod.net2015-08-10 → 2015-08-10 · 3 obs
● 2015-08-10 03:12:38
○ 2015-11-29 23:12:10
○ 2026-03-18 22:55:04
○ 2015-11-29 23:12:10
○ 2026-03-18 22:55:04
○MXmxbiz1.qq.com2017-03-25 → 2020-02-07 · 4 obs
● 2017-03-25 19:22:22
● 2020-02-07 07:18:14
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
● 2020-02-07 07:18:14
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
○MXmxbiz2.qq.com2017-03-25 → 2020-02-07 · 4 obs
● 2017-03-25 19:22:22
● 2020-02-07 07:18:14
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
● 2020-02-07 07:18:14
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
○A107.161.19.1742015-08-10 → 2015-08-10 · 3 obs
● 2015-08-10 03:12:38
○ 2015-11-29 23:12:10
○ 2026-03-18 22:55:04
○ 2015-11-29 23:12:10
○ 2026-03-18 22:55:04
○A203.107.43.1652020-02-07 → 2020-02-07 · 4 obs
○ 2017-03-25 19:22:22
● 2020-02-07 07:18:14
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
● 2020-02-07 07:18:14
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
○A42.156.141.132017-03-25 → 2017-03-25 · 4 obs
○ 2015-11-29 23:12:10
● 2017-03-25 19:22:22
○ 2020-02-07 07:18:14
○ 2026-03-18 22:55:04
● 2017-03-25 19:22:22
○ 2020-02-07 07:18:14
○ 2026-03-18 22:55:04
○CNAMEexp.gs-cdn.com2026-03-18 → 2026-03-18 · 2 obs
○ 2026-03-18 17:55:08
○ 2026-03-18 22:55:04
○ 2026-03-18 22:55:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, d.dns.cn, e.dns.cn... | - |
✅ Authoritative Response
Server: 203.119.26.1
NS records: b.dns.cn, a.dns.cn, d.dns.cn, e.dns.cn, c.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 283ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|