hvacnet.cn - robtex.com
hvacnet.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=2034790381 | ||||||
Same first word
Similar names
DNS History
4 records (0 active, 4 former)
○NS(root)2015-07-06 → 2019-03-20 · 4 obs
● 2015-07-06 02:45:40
● 2019-03-20 19:18:20
○ 2026-04-10 12:05:28
○ 2026-05-14 06:44:04
● 2019-03-20 19:18:20
○ 2026-04-10 12:05:28
○ 2026-05-14 06:44:04
○MXmail.hvacnet.cn2015-07-06 → 2019-03-20 · 4 obs
● 2015-07-06 02:45:40
● 2019-03-20 19:18:20
○ 2026-04-10 12:05:28
○ 2026-05-14 06:44:04
● 2019-03-20 19:18:20
○ 2026-04-10 12:05:28
○ 2026-05-14 06:44:04
○A111.161.65.752019-03-20 → 2019-03-20 · 4 obs
○ 2017-02-14 03:05:50
● 2019-03-20 19:18:20
○ 2026-04-10 12:05:28
○ 2026-05-14 06:44:04
● 2019-03-20 19:18:20
○ 2026-04-10 12:05:28
○ 2026-05-14 06:44:04
○A27.112.9.362015-07-06 → 2017-02-14 · 4 obs
● 2015-07-06 02:45:40
● 2017-02-14 03:05:50
○ 2019-03-20 19:18:20
○ 2026-05-14 06:44:04
● 2017-02-14 03:05:50
○ 2019-03-20 19:18:20
○ 2026-05-14 06:44:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.28.1
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: 4296ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|