first-works.cn - robtex.com
first-works.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=2034607986 | ||||||
Same first word
first-works.org |
first-works.cn |
DNS History
11 records (0 active, 11 former)
○NSns1.51dns.com2015-06-24 → 2015-11-04 · 4 obs
● 2015-06-24 01:56:54
● 2015-11-04 00:11:20
○ 2016-01-29 02:25:44
○ 2026-03-29 20:58:40
● 2015-11-04 00:11:20
○ 2016-01-29 02:25:44
○ 2026-03-29 20:58:40
○NSns1.nowcndns.com2026-02-15 → 2026-02-15 · 3 obs
○ 2019-02-26 06:23:02
● 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
● 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
○NSns2.51dns.com2015-06-24 → 2015-11-04 · 4 obs
● 2015-06-24 01:56:54
● 2015-11-04 00:11:20
○ 2016-01-29 02:25:44
○ 2026-03-29 20:58:40
● 2015-11-04 00:11:20
○ 2016-01-29 02:25:44
○ 2026-03-29 20:58:40
○NSns2.nowcndns.com2026-02-15 → 2026-02-15 · 3 obs
○ 2019-02-26 06:23:02
● 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
● 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
○NSns3.dnsdun.com2019-02-26 → 2019-02-26 · 4 obs
○ 2016-01-29 02:25:44
● 2019-02-26 06:23:02
○ 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
● 2019-02-26 06:23:02
○ 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
○NSns3.dnsdun.net2019-02-26 → 2019-02-26 · 4 obs
○ 2016-01-29 02:25:44
● 2019-02-26 06:23:02
○ 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
● 2019-02-26 06:23:02
○ 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
○A104.171.161.372015-11-04 → 2015-11-04 · 4 obs
○ 2015-06-24 01:56:54
● 2015-11-04 00:11:20
○ 2016-01-29 02:25:44
○ 2026-03-29 20:58:40
● 2015-11-04 00:11:20
○ 2016-01-29 02:25:44
○ 2026-03-29 20:58:40
○A154.85.146.2332026-02-15 → 2026-03-29 · 2 obs
○ 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
○ 2026-03-29 20:58:40
○A154.95.221.1862026-02-15 → 2026-02-15 · 3 obs
○ 2019-02-26 06:23:02
● 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
● 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
○A172.255.244.492019-02-26 → 2019-02-26 · 4 obs
○ 2016-01-29 02:25:44
● 2019-02-26 06:23:02
○ 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
● 2019-02-26 06:23:02
○ 2026-02-15 17:46:38
○ 2026-03-29 20:58:40
○A198.15.203.1782015-06-24 → 2015-06-24 · 3 obs
● 2015-06-24 01:56:54
○ 2015-11-04 00:11:20
○ 2026-03-29 20:58:40
○ 2015-11-04 00:11:20
○ 2026-03-29 20:58:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.27.1
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: 586ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|