qa21.cn - robtex.com

qa21.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=2034693285

Similar names

12qa.net
a21q.org
q12a.cn
q1a2.com
aq12.com

DNS History

9 records (0 active, 9 former)

201820192020202120222023202420252026NSf1g1ns1.dnspod.netf1g1ns2.dnspod.netns1.nowcndns.comns2.nowcndns.comMXmxbiz1.qq.commxbiz2.qq.comA38.12.191.2647.90.62.91CNAMEqa21.cn.cname.yunjiasu-cdn.net
○NSf1g1ns1.dnspod.net2018-10-04 → 2018-10-04 · 3 obs
● 2018-10-04 18:58:18
○ 2026-03-21 10:58:14
○ 2026-04-21 02:29:24
○NSf1g1ns2.dnspod.net2018-10-04 → 2018-10-04 · 3 obs
● 2018-10-04 18:58:18
○ 2026-03-21 10:58:14
○ 2026-04-21 02:29:24
○NSns1.nowcndns.com2026-03-21 → 2026-03-21 · 4 obs
○ 2018-10-04 18:58:18
● 2026-03-21 10:58:14
○ 2026-04-20 11:48:22
○ 2026-04-21 02:29:24
○NSns2.nowcndns.com2026-03-21 → 2026-03-21 · 4 obs
○ 2018-10-04 18:58:18
● 2026-03-21 10:58:14
○ 2026-04-20 11:48:22
○ 2026-04-21 02:29:24
○MXmxbiz1.qq.com2018-10-04 → 2018-10-04 · 3 obs
● 2018-10-04 18:58:18
○ 2026-03-21 10:58:14
○ 2026-04-21 02:29:24
○MXmxbiz2.qq.com2018-10-04 → 2018-10-04 · 3 obs
● 2018-10-04 18:58:18
○ 2026-03-21 10:58:14
○ 2026-04-21 02:29:24
○A38.12.191.262026-03-21 → 2026-03-21 · 4 obs
○ 2018-10-04 18:58:18
● 2026-03-21 10:58:14
○ 2026-04-20 11:48:22
○ 2026-04-21 02:29:24
○A47.90.62.912018-10-04 → 2018-10-04 · 3 obs
● 2018-10-04 18:58:18
○ 2026-03-21 10:58:14
○ 2026-04-21 02:29:24
○CNAMEqa21.cn.cname.yunjiasu-cdn.net2017-02-01 → 2017-02-01 · 3 obs
● 2017-02-01 11:18:18
○ 2018-10-04 18:58:18
○ 2026-04-21 02:29:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, a.dns.cn, e.dns.cn, c.dns.cn...-

✅ Authoritative Response

Server:203.119.27.1

NS records: b.dns.cn, a.dns.cn, e.dns.cn, c.dns.cn, d.dns.cn

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 3317ms | Queries: -

📄 Records

TypeCountSample Data