birdbb.cn - robtex.com

birdbb.cn

DNSSEC⚠️ Not signed

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034704229

DNS History

12 records (0 active, 12 former)

20162017201820192020202120222023202420252026NSjuming.dnsdun.comjuming.dnsdun.netns1.51dns.comns1.myhostadmin.netns2.51dns.comns2.myhostadmin.netns3.myhostadmin.netns4.myhostadmin.netns5.myhostadmin.netns6.myhostadmin.netA172.246.175.106CNAMEwww.birdbb.cn
○NSjuming.dnsdun.com2020-01-31 → 2020-01-31 · 4 obs
○ 2017-03-20 03:11:06
● 2020-01-31 19:20:16
○ 2026-03-09 21:14:26
○ 2026-04-23 20:42:30
○NSjuming.dnsdun.net2020-01-31 → 2020-01-31 · 4 obs
○ 2017-03-20 03:11:06
● 2020-01-31 19:20:16
○ 2026-03-09 21:14:26
○ 2026-04-23 20:42:30
○NSns1.51dns.com2016-02-27 → 2016-02-27 · 4 obs
○ 2015-11-18 11:01:04
● 2016-02-27 14:27:00
○ 2017-03-20 03:11:06
○ 2026-04-23 20:42:30
○NSns1.myhostadmin.net2015-07-22 → 2015-11-18 · 4 obs
● 2015-07-22 11:40:22
● 2015-11-18 11:01:04
○ 2016-02-27 14:27:00
○ 2026-04-23 20:42:30
○NSns2.51dns.com2016-02-27 → 2016-02-27 · 4 obs
○ 2015-11-18 11:01:04
● 2016-02-27 14:27:00
○ 2017-03-20 03:11:06
○ 2026-04-23 20:42:30
○NSns2.myhostadmin.net2015-07-22 → 2015-11-18 · 4 obs
● 2015-07-22 11:40:22
● 2015-11-18 11:01:04
○ 2016-02-27 14:27:00
○ 2026-04-23 20:42:30
○NSns3.myhostadmin.net2015-07-22 → 2015-11-18 · 4 obs
● 2015-07-22 11:40:22
● 2015-11-18 11:01:04
○ 2016-02-27 14:27:00
○ 2026-04-23 20:42:30
○NSns4.myhostadmin.net2015-07-22 → 2015-11-18 · 4 obs
● 2015-07-22 11:40:22
● 2015-11-18 11:01:04
○ 2016-02-27 14:27:00
○ 2026-04-23 20:42:30
○NSns5.myhostadmin.net2015-07-22 → 2015-11-18 · 4 obs
● 2015-07-22 11:40:22
● 2015-11-18 11:01:04
○ 2016-02-27 14:27:00
○ 2026-04-23 20:42:30
○NSns6.myhostadmin.net2015-07-22 → 2015-11-18 · 4 obs
● 2015-07-22 11:40:22
● 2015-11-18 11:01:04
○ 2016-02-27 14:27:00
○ 2026-04-23 20:42:30
○A172.246.175.1062016-02-27 → 2016-02-27 · 3 obs
● 2016-02-27 14:27:00
○ 2017-03-20 03:11:06
○ 2026-04-23 20:42:30
○CNAMEwww.birdbb.cn2020-01-31 → 2020-01-31 · 3 obs
● 2020-01-31 19:20:16
○ 2026-03-09 21:14:26
○ 2026-04-23 20:42:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.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: 490ms | Queries: -

📄 Records

TypeCountSample Data