51old.cn - robtex.com
51old.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=2034674390 | ||||||
Subdomains
www.51old.cn |
Same first word
51old.cn |
Similar names
DNS History
15 records (0 active, 15 former)
○NSdns.4cun.com2015-06-30 → 2017-03-24 · 6 obs
● 2015-06-30 23:44:14
● 2015-11-21 23:43:58
○ 2016-07-10 05:44:12
● 2017-03-24 23:19:48
○ 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
● 2015-11-21 23:43:58
○ 2016-07-10 05:44:12
● 2017-03-24 23:19:48
○ 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
○NSdns25.hichina.com2020-02-02 → 2020-02-02 · 3 obs
○ 2017-03-24 23:19:48
● 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
● 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
○NSdns26.hichina.com2020-02-02 → 2020-02-02 · 3 obs
○ 2017-03-24 23:19:48
● 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
● 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
○NSf1g1ns1.dnspod.net2016-07-10 → 2016-07-10 · 4 obs
○ 2015-11-21 23:43:58
● 2016-07-10 05:44:12
○ 2017-03-24 23:19:48
○ 2026-04-15 20:06:26
● 2016-07-10 05:44:12
○ 2017-03-24 23:19:48
○ 2026-04-15 20:06:26
○NSf1g1ns2.dnspod.net2016-07-10 → 2016-07-10 · 4 obs
○ 2015-11-21 23:43:58
● 2016-07-10 05:44:12
○ 2017-03-24 23:19:48
○ 2026-04-15 20:06:26
● 2016-07-10 05:44:12
○ 2017-03-24 23:19:48
○ 2026-04-15 20:06:26
○NSmarjory.ns.cloudflare.com2026-04-15 → 2026-04-15 · 1 obs
○ 2026-04-15 20:06:26
○NSmatias.ns.cloudflare.com2026-04-15 → 2026-04-15 · 1 obs
○ 2026-04-15 20:06:26
○A103.232.215.1542015-06-30 → 2017-03-24 · 7 obs
● 2015-06-30 23:44:14
● 2015-11-21 23:43:58
○ 2016-03-04 17:43:00
○ 2016-07-10 05:44:12
● 2017-03-24 23:19:48
○ 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
● 2015-11-21 23:43:58
○ 2016-03-04 17:43:00
○ 2016-07-10 05:44:12
● 2017-03-24 23:19:48
○ 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
○A154.195.61.242020-02-02 → 2020-02-02 · 3 obs
○ 2017-03-24 23:19:48
● 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
● 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
○A188.114.96.02026-04-15 → 2026-04-15 · 1 obs
○ 2026-04-15 20:06:26
○A188.114.97.02026-04-15 → 2026-04-15 · 1 obs
○ 2026-04-15 20:06:26
○A205.164.14.782016-03-04 → 2016-03-04 · 4 obs
○ 2015-11-21 23:43:58
● 2016-03-04 17:43:00
○ 2016-07-10 05:44:12
○ 2026-04-15 20:06:26
● 2016-03-04 17:43:00
○ 2016-07-10 05:44:12
○ 2026-04-15 20:06:26
○A2a06:98c1:3120::2026-04-15 → 2026-04-15 · 1 obs
○ 2026-04-15 20:06:26
○A2a06:98c1:3121::2026-04-15 → 2026-04-15 · 1 obs
○ 2026-04-15 20:06:26
○CNAMEdomainpark.4cun.com2015-06-30 → 2017-03-24 · 7 obs
● 2015-06-30 23:44:14
● 2015-11-21 23:43:58
○ 2016-03-04 17:43:00
○ 2016-07-10 05:44:12
● 2017-03-24 23:19:48
○ 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
● 2015-11-21 23:43:58
○ 2016-03-04 17:43:00
○ 2016-07-10 05:44:12
● 2017-03-24 23:19:48
○ 2020-02-02 23:46:14
○ 2026-04-15 20:06:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, d.dns.cn, a.dns.cn, b.dns.cn... | - |
✅ Authoritative Response
Server:203.119.26.1
NS records: c.dns.cn, d.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 304ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|