ptr.li - dns.ninja
ptr.li
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.core-networks.de ⭐ | ||||||
| A | 2001:1bc0:d::fffe🇩🇪 PROBENETWORKS-AS2001:1bc0::/32 Probe Networks european network | ||||||
| PTR | ns1.core-networks.de | ||||||
| A | 194.213.5.254🇩🇪 PROBENETWORKS-AS194.213.5.0/24 Core Networks GmbH | ||||||
| NS | ns2.core-networks.eu | ||||||
| A | 2a02:f98:0:22::ffff🇩🇪 SURFPLANET-AS2a02:f98::/32 Surfplanet GmbH PA-Block | ||||||
| PTR | ns2.core-networks.eu | ||||||
| A | 78.111.72.98🇩🇪 SURFPLANET-AS78.111.64.0/20 Surfplanet GmbH PA-Block | ||||||
| NS | ns3.core-networks.com | ||||||
| A | 2001:1bc0:d::ffff🇩🇪 PROBENETWORKS-AS2001:1bc0::/32 Probe Networks european network | ||||||
| PTR | ns3.core-networks.com | ||||||
| A | 82.96.73.254🇩🇪 PROBENETWORKS-AS82.96.64.0/18 Probe Networks european network | ||||||
| MX | nc1.mailkuh.de ⭐ | ||||||
| A | 2a03:4000:20:28:ba9b:6ab2:7d93:e989🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | nc1.mailkuh.de | ||||||
| A | 46.38.230.166🇩🇪 netcup-AS46.38.230.0/23 | ||||||
| SOA | ns1.core-networks.dehostmaster@core-networks.de 2024-01-08 #0 | ||||||
li
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.li ⭐ | ||||||
| NS | b.nic.li | ||||||
| NS | d.nic.li | ||||||
| NS | e.nic.li | ||||||
| NS | f.nic.li | ||||||
| SOA | a.nic.lidns-operation@switch.ch 2026-07-22 #12 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.core-networks.de2017-01-29 → 2026-07-22 · 2 obs
● 2026-07-22 04:23:12
●NSns2.core-networks.eu2017-01-29 → 2026-07-22 · 2 obs
● 2026-07-22 04:23:12
●NSns3.core-networks.com2017-01-29 → 2026-07-22 · 2 obs
● 2026-07-22 04:23:12
●MXnc1.mailkuh.de2026-02-18 → 2026-07-22 · 2 obs
● 2026-07-22 04:23:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| li | b.nic.li, f.nic.li, a.nic.li, d.nic.li... | - |
| ptr.li | ns1.core-networks.de, ns2.core-networks.eu, ns3.core-networks.com | - |
✅ Authoritative Response
Server:194.213.5.254
NS records: ns1.core-networks.de, ns2.core-networks.eu, ns3.core-networks.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptr.li (unsigned zone)
⏱️ Timing
Total: 819ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns3.core-networks.com, ns1.core-networks.de... |
| MX | 1 | nc1.mailkuh.de (pri: 10) |
| SOA | 1 | ns1.core-networks.de hostmaster.core-net |
Analysis
Name Servers
ptr.li is served by three name servers: ns3.core-networks.com, ns1.core-networks.de and ns2.core-networks.eu.
At least some of ptr.li's name servers are shared with other domains, for example spittank.net, linuxfoo.net, rt-tester.com and two more.
These name servers tend to be deployed in combination with the name servers ns1.verified.de and ns2.verified.de.
The hostnames ns3.core-networks.com, ns1.core-networks.de and ns2.core-networks.eu each direct to two IP addresses — ns3.core-networks.com to 82.96.73.254 and 2001:1bc0:d::ffff, ns1.core-networks.de to 194.213.5.254 and 2001:1bc0:d::fffe, and ns2.core-networks.eu to 78.111.72.98 and 2a02:f98:0:22::ffff.
Mail Servers
The sole mail server for ptr.li is nc1.mailkuh.de.
Among the domains sharing a mail server setup with ptr.li are grillkunst.com, nf0.de, mailkuh.de and two others.
nc1.mailkuh.de directs to two IP numbers, 46.38.230.166 and 2a03:4000:20:28:ba9b:6ab2:7d93:e989.