firstb.cn - robtex.com
firstb.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 2035-07-13 #18 | ||||||
Same first word
Similar names
bfirst.biz |
sbrfit.com |
brifts.com |
bfirst.shoes |
fsrbit.ru |
bfrits.com |
bfirst.de |
bfirst.com.au |
bfirst.bank |
bfirst.ru |
sfbrit.com |
bfirst.in |
bfirst.net |
bfirst.org.uk |
bfrtis.vip |
bfirst.org |
rfbits.com |
bfirst.com |
DNS History
8 records (0 active, 8 former)
○NSdm1.longmingdns.com2026-02-15 → 2026-02-15 · 3 obs
○ 2019-12-30 04:02:18
● 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
● 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
○NSdm2.longmingdns.com2026-02-15 → 2026-02-15 · 3 obs
○ 2019-12-30 04:02:18
● 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
● 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
○NSdns10.hichina.com2016-07-14 → 2017-03-18 · 4 obs
● 2016-07-14 09:11:44
● 2017-03-18 03:05:34
○ 2019-12-30 04:02:18
○ 2026-07-21 18:11:12
● 2017-03-18 03:05:34
○ 2019-12-30 04:02:18
○ 2026-07-21 18:11:12
○NSdns19.hichina.com2019-12-30 → 2019-12-30 · 4 obs
○ 2017-03-18 03:05:34
● 2019-12-30 04:02:18
○ 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
● 2019-12-30 04:02:18
○ 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
○NSdns20.hichina.com2019-12-30 → 2019-12-30 · 4 obs
○ 2017-03-18 03:05:34
● 2019-12-30 04:02:18
○ 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
● 2019-12-30 04:02:18
○ 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
○NSdns9.hichina.com2016-07-14 → 2017-03-18 · 4 obs
● 2016-07-14 09:11:44
● 2017-03-18 03:05:34
○ 2019-12-30 04:02:18
○ 2026-07-21 18:11:12
● 2017-03-18 03:05:34
○ 2019-12-30 04:02:18
○ 2026-07-21 18:11:12
○A104.166.92.1322026-02-15 → 2026-02-15 · 3 obs
○ 2019-12-30 04:02:18
● 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
● 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
○A156.243.213.1752019-12-30 → 2019-12-30 · 3 obs
● 2019-12-30 04:02:18
○ 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
○ 2026-02-15 08:09:14
○ 2026-07-21 18:11:12
🔍 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: 749ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|