system-dll.cn - robtex.com

system-dll.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=2034662315

Same first word

system-dll.cn

DNS History

6 records (0 active, 6 former)

20192020202120222023202420252026NSns1.dnsdun.comns1.dnsdun.netns1.nowcndns.comns2.nowcndns.comA191.214.162.3223.238.237.40
○NSns1.dnsdun.com2018-12-09 → 2018-12-09 · 3 obs
● 2018-12-09 15:08:46
○ 2026-02-16 10:45:00
○ 2026-04-12 11:51:26
○NSns1.dnsdun.net2018-12-09 → 2018-12-09 · 3 obs
● 2018-12-09 15:08:46
○ 2026-02-16 10:45:00
○ 2026-04-12 11:51:26
○NSns1.nowcndns.com2026-02-16 → 2026-02-16 · 3 obs
○ 2018-12-09 15:08:46
● 2026-02-16 10:45:00
○ 2026-04-12 11:51:26
○NSns2.nowcndns.com2026-02-16 → 2026-02-16 · 3 obs
○ 2018-12-09 15:08:46
● 2026-02-16 10:45:00
○ 2026-04-12 11:51:26
○A191.214.162.322026-02-16 → 2026-02-16 · 3 obs
○ 2018-12-09 15:08:46
● 2026-02-16 10:45:00
○ 2026-04-12 11:51:26
○A23.238.237.402018-12-09 → 2018-12-09 · 3 obs
● 2018-12-09 15:08:46
○ 2026-02-16 10:45:00
○ 2026-04-12 11:51:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn...-

✅ Authoritative Response

Server:2001:dc7:3::1

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2706ms | Queries: -

📄 Records

TypeCountSample Data