ssh.cn - robtex.com
ssh.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.ns.joker.com ⚠️ Not in zone NS records | ||||||
| A | 2a01:4f8:c0c:165b::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | y.ns.joker.com | ||||||
| A | 23.88.49.189🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC | ||||||
| PTR | static.189.49.88.23.clients.your-server.de | ||||||
| NS | b.ns.joker.com ⚠️ Not in zone NS records | ||||||
| A | 159.25.97.69🇩🇪 CSL159.25.0.0/16 | ||||||
| PTR | b.ns.joker.com | ||||||
| NS | c.ns.joker.com ⚠️ Not in zone NS records | ||||||
| A | 2607:5300:203:7e6d::2222🇨🇦 OVH2607:5300::/32 Hosting route | ||||||
| PTR | z.ns.joker.com | ||||||
| A | 192.95.37.184🇨🇦 OVH192.95.0.0/18 | ||||||
| PTR | z.ns.joker.com | ||||||
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=2035039725 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
●NSa.ns.joker.com2015-07-17 → 2026-07-14 · 2 obs
● 2026-07-14 12:25:44
●NSb.ns.joker.com2015-07-17 → 2026-07-14 · 2 obs
● 2026-07-14 12:25:44
●NSc.ns.joker.com2015-07-17 → 2026-07-14 · 2 obs
● 2026-07-14 12:25:44
○A159.25.16.1772015-07-17 → 2021-02-15 · 4 obs
● 2021-02-15 22:38:34
○ 2026-07-03 18:33:56
○ 2026-07-14 12:25:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn... | - |
| ssh.cn | a.ns.joker.com, b.ns.joker.com, c.ns.joker.com | - |
✅ Authoritative Response
Server:23.88.49.189
NS records: a.ns.joker.com, b.ns.joker.com, c.ns.joker.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ssh.cn (unsigned zone)
⏱️ Timing
Total: 1921ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
The authoritative name servers for ssh.cn are a.ns.joker.com, b.ns.joker.com and c.ns.joker.com — three in total.
The name servers of ssh.cn overlap at least partially with those of other domains — among them rfid-abc.de, msg-oob.net, ptokax.org and two more.
The name servers x.ns.joker.com, y.ns.joker.com and z.ns.joker.com are commonly seen alongside these name servers.
Hostnames that resolve to two IP addresses:
a.ns.joker.com directs traffic to 23.88.49.189 and 2a01:4f8:c0c:165b::1.
c.ns.joker.com directs traffic to 192.95.37.184 and 2607:5300:203:7e6d::2222.
Hosts with just one IP address:
b.ns.joker.com has the IP address 159.25.97.69.