heycool.cn - robtex.com
heycool.cn
| DNSSEC | ⚠️ Not signed | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034714975 | ||||||
Subdomains
mail.heycool.cn |
Same first word
Similar names
DNS History
4 records (0 active, 4 former)
○NSns.edong.com2015-05-19 → 2018-10-25 · 4 obs
● 2015-05-19 00:34:20
● 2018-10-25 20:07:38
○ 2026-04-26 16:11:30
○ 2026-04-26 16:11:32
● 2018-10-25 20:07:38
○ 2026-04-26 16:11:30
○ 2026-04-26 16:11:32
○NSns1.edong.com2015-05-19 → 2018-10-25 · 4 obs
● 2015-05-19 00:34:20
● 2018-10-25 20:07:38
○ 2026-04-26 16:11:30
○ 2026-04-26 16:11:32
● 2018-10-25 20:07:38
○ 2026-04-26 16:11:30
○ 2026-04-26 16:11:32
○MXmail.heycool.cn2015-05-19 → 2018-10-25 · 4 obs
● 2015-05-19 00:34:20
● 2018-10-25 20:07:38
○ 2026-04-26 16:11:30
○ 2026-04-26 16:11:32
● 2018-10-25 20:07:38
○ 2026-04-26 16:11:30
○ 2026-04-26 16:11:32
○A222.191.251.202015-05-19 → 2018-10-25 · 4 obs
● 2015-05-19 00:34:20
● 2018-10-25 20:07:38
○ 2026-04-26 16:11:30
○ 2026-04-26 16:11:32
● 2018-10-25 20:07:38
○ 2026-04-26 16:11:30
○ 2026-04-26 16:11:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:2001:dc7:3::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: 3223ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|