cn-root-hth.com - robtex.com
cn-root-hth.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.161.21.1🇨🇦 OVH51.161.0.0/17 Hosting route | ||||||
| PTR | ns3.expirationwarning.net | ||||||
| NS | ns3.expirationwarning.net ⭐ | ||||||
| A | 51.161.21.1🇨🇦 OVH51.161.0.0/17 Hosting route | ||||||
| PTR | ns3.expirationwarning.net | ||||||
| NS | ns7.expirationwarning.net | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns7.expirationwarning.net | ||||||
| SOA | ns3.expirationwarning.nethostmaster@expirationwarning.net 2026-08-03 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785784157 | ||||||
Same first word
cn-root-hth.com |
DNS History
15 records (3 active, 12 former)
○NSa.share-dns.com2026-02-23 → 2026-03-29 · 4 obs
● 2026-03-29 15:16:14
○ 2026-05-09 17:40:04
○ 2026-08-03 19:15:16
○NSa6.share-dns.com2026-02-23 → 2026-03-29 · 4 obs
● 2026-03-29 15:16:14
○ 2026-05-09 17:40:04
○ 2026-08-03 19:15:16
○NSb.share-dns.net2026-02-23 → 2026-03-29 · 4 obs
● 2026-03-29 15:16:14
○ 2026-05-09 17:40:04
○ 2026-08-03 19:15:16
○NSb6.share-dns.net2026-02-23 → 2026-03-29 · 4 obs
● 2026-03-29 15:16:14
○ 2026-05-09 17:40:04
○ 2026-08-03 19:15:16
○NScurt.ns.cloudflare.com2026-05-09 → 2026-05-09 · 4 obs
● 2026-05-09 17:40:04
○ 2026-07-31 09:55:20
○ 2026-08-03 19:15:16
○NSjean.ns.cloudflare.com2026-05-09 → 2026-05-09 · 4 obs
● 2026-05-09 17:40:04
○ 2026-07-31 09:55:20
○ 2026-08-03 19:15:16
●NSns3.expirationwarning.net2026-07-31 → 2026-08-03 · 3 obs
● 2026-07-31 09:55:20
● 2026-08-03 19:15:16
●NSns7.expirationwarning.net2026-07-31 → 2026-08-03 · 3 obs
● 2026-07-31 09:55:20
● 2026-08-03 19:15:16
○MXcnroothth-com0ei.mail.protection.outlook.com2026-05-09 → 2026-05-09 · 3 obs
○ 2026-07-31 09:55:20
○ 2026-08-03 19:15:16
○A104.21.61.1302026-05-09 → 2026-05-09 · 3 obs
○ 2026-07-31 09:55:20
○ 2026-08-03 19:15:16
○A172.67.210.1372026-05-09 → 2026-05-09 · 3 obs
○ 2026-07-31 09:55:20
○ 2026-08-03 19:15:16
○A2606:4700:3033::ac43:d2892026-05-09 → 2026-05-09 · 3 obs
○ 2026-07-31 09:55:20
○ 2026-08-03 19:15:16
○A2606:4700:3035::6815:3d822026-05-09 → 2026-05-09 · 3 obs
○ 2026-07-31 09:55:20
○ 2026-08-03 19:15:16
●A51.161.21.12026-08-03 → 2026-08-03 · 3 obs
● 2026-08-03 19:15:14
● 2026-08-03 19:15:16
○A51.195.17.682026-07-31 → 2026-07-31 · 4 obs
● 2026-07-31 09:55:20
○ 2026-08-03 19:15:14
○ 2026-08-03 19:15:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cn-root-hth.com | ns3.expirationwarning.net, ns7.expirationwarning.net | - |
✅ Authoritative Response
Server:51.195.17.68
NS records: ns3.expirationwarning.net, ns7.expirationwarning.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cn-root-hth.com (unsigned zone)
⏱️ Timing
Total: 473ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.195.17.68 |
| NS | 2 | ns7.expirationwarning.net, ns3.expirationwarning.net |
| SOA | 1 | ns3.expirationwarning.net hostmaster.exp |
Analysis
IP Addresses
cn-root-hth.com points to a single IP number: 51.161.21.1.
Additional host names — chetime.com, javtops.com, houdly.com and two others — share IP numbers with cn-root-hth.com.
Name Servers
cn-root-hth.com has two authoritative name servers — ns3.expirationwarning.net and ns7.expirationwarning.net.
cn-root-hth.com shares its name server setup with other domains, including xztopedu.com, ns2.w5webdesigns.com, www.clearallhistory.com and two others.
The name servers for cn-root-hth.com overlap at least partially with those of other domains — for example gaydek.net.
ns3.expirationwarning.net and ns7.expirationwarning.net each resolve to one IP number: ns3.expirationwarning.net points to 51.161.21.1 and ns7.expirationwarning.net points to 51.195.17.68.