cdk55.cn - robtex.com

cdk55.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=2034778999

Same first word

cdk55.cn

DNS History

6 records (0 active, 6 former)

20192020202120222023202420252026NSns1.nowcndns.comns2.dnsdun.comns2.dnsdun.netns2.nowcndns.comA136.0.169.181156.240.40.106
○NSns1.nowcndns.com2026-05-11 → 2026-05-11 · 1 obs
○ 2026-05-11 14:46:48
○NSns2.dnsdun.com2018-07-04 → 2018-07-04 · 2 obs
● 2018-07-04 05:40:42
○ 2026-05-11 14:46:48
○NSns2.dnsdun.net2018-07-04 → 2018-07-04 · 2 obs
● 2018-07-04 05:40:42
○ 2026-05-11 14:46:48
○NSns2.nowcndns.com2026-05-11 → 2026-05-11 · 1 obs
○ 2026-05-11 14:46:48
○A136.0.169.1812018-07-04 → 2018-07-04 · 2 obs
● 2018-07-04 05:40:42
○ 2026-05-11 14:46:48
○A156.240.40.1062026-05-11 → 2026-05-11 · 1 obs
○ 2026-05-11 14:46:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-

✅ Authoritative Response

Server:203.119.26.1

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: 3459ms | Queries: -

📄 Records

TypeCountSample Data