518sci.com.cn - robtex.com
518sci.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030541340 | ||||||
Same first word
518sci.com.cn |
DNS History
12 records (0 active, 12 former)
○NSf1g1ns1.dnspod.net2017-02-02 → 2017-02-02 · 3 obs
○ 2016-06-19 21:46:34
● 2017-02-02 14:33:14
○ 2026-04-29 12:24:58
● 2017-02-02 14:33:14
○ 2026-04-29 12:24:58
○NSf1g1ns2.dnspod.net2017-02-02 → 2017-02-02 · 3 obs
○ 2016-06-19 21:46:34
● 2017-02-02 14:33:14
○ 2026-04-29 12:24:58
● 2017-02-02 14:33:14
○ 2026-04-29 12:24:58
○NSns1.ezdnscenter.com2015-06-23 → 2016-01-27 · 4 obs
● 2015-06-23 10:27:24
● 2016-01-27 11:10:40
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
● 2016-01-27 11:10:40
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
○NSns1.nowcndns.com2026-04-29 → 2026-04-29 · 1 obs
○ 2026-04-29 12:24:58
○NSns2.ezdnscenter.com2015-06-23 → 2015-11-08 · 4 obs
● 2015-06-23 10:27:24
● 2015-11-08 20:48:10
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
● 2015-11-08 20:48:10
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
○NSns2.nowcndns.com2026-04-29 → 2026-04-29 · 1 obs
○ 2026-04-29 12:24:58
○NSns3.ezdnscenter.com2015-06-23 → 2015-11-08 · 4 obs
● 2015-06-23 10:27:24
● 2015-11-08 20:48:10
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
● 2015-11-08 20:48:10
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
○NSns4.ezdnscenter.com2015-06-23 → 2015-11-08 · 4 obs
● 2015-06-23 10:27:24
● 2015-11-08 20:48:10
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
● 2015-11-08 20:48:10
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
○NSns5.ezdnscenter.com2015-06-23 → 2015-11-08 · 4 obs
● 2015-06-23 10:27:24
● 2015-11-08 20:48:10
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
● 2015-11-08 20:48:10
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
○NSns6.ezdnscenter.com2015-06-23 → 2015-11-08 · 4 obs
● 2015-06-23 10:27:24
● 2015-11-08 20:48:10
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
● 2015-11-08 20:48:10
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
○A207.56.173.462026-04-29 → 2026-04-29 · 1 obs
○ 2026-04-29 12:24:58
○A42.96.190.312015-06-23 → 2016-01-27 · 4 obs
● 2015-06-23 10:27:24
● 2016-01-27 11:10:40
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
● 2016-01-27 11:10:40
○ 2016-06-19 21:46:34
○ 2026-04-29 12:24:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.25.1
NS records: a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 904ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|