ityangstudy.cn - robtex.com

ityangstudy.cn

DNSSEC⚠️ Not signed

cn

DNSSEC⚠️ Not signed
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=2034546407
⚠️ On DNS blocklist: multi, pro, pro.plus, ultimate

Subdomains

www.ityangstudy.cn

Same first word

ityangstudy.cn

DNS History

3 records (0 active, 3 former)

NSdns7.expirenotification.comdns8.expirenotification.comA172.232.112.221
○NSdns7.expirenotification.com2026-02-21 → 2026-02-21 · 2 obs
● 2026-02-21 13:41:54
○ 2026-03-22 22:17:40
○NSdns8.expirenotification.com2026-02-21 → 2026-02-21 · 2 obs
● 2026-02-21 13:41:54
○ 2026-03-22 22:17:40
○A172.232.112.2212026-02-21 → 2026-02-21 · 2 obs
● 2026-02-21 13:41:54
○ 2026-03-22 22:17:40

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server: 203.119.26.1

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 515ms | Queries: -

📄 Records

TypeCountSample Data