bt.coolinger.net - robtex.com
bt.coolinger.net
coolinger.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:141:123::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 46.4.104.162🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3 | ||||||
| NS | hydrogen.ns.hetzner.com ⭐ | ||||||
| NS | helium.ns.hetzner.de | ||||||
| NS | oxygen.ns.hetzner.com | ||||||
| MX | mail.coolinger.net ⭐ | ||||||
| TXT | v=spf1 mx a ip4:46.4.104.162 ip6:2a01:4f8:141:123::2 -all | ||||||
| SOA | hydrogen.ns.hetzner.comdns@hetzner.com 2026-04-21 #2 | ||||||
Same first word
Similar names
DNS History
4 records (1 active, 3 former)
○A2a01:4f8:190:2423::22015-05-24 → 2016-08-08 · 4 obs
● 2016-08-08 04:07:36
○ 2026-03-21 14:15:38
○ 2026-04-21 02:22:08
○A5.9.145.502015-05-24 → 2016-08-08 · 4 obs
● 2016-08-08 04:07:36
○ 2026-03-21 14:15:38
○ 2026-04-21 02:22:08
●CNAMEcoolinger.net2026-03-21 → 2026-04-21 · 3 obs
● 2026-03-21 14:15:38
● 2026-04-21 02:22:08
○CNAMEwww.coolinger.net2015-05-24 → 2016-08-08 · 4 obs
● 2016-08-08 04:07:36
○ 2026-03-21 14:15:38
○ 2026-04-21 02:22:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coolinger.net | helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com | - |
✅ Authoritative Response
Server:88.198.229.192
NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coolinger.net (unsigned zone)
⏱️ Timing
Total: 1069ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | coolinger.net |
Analysis
IP Addresses
bt.coolinger.net resolves to two IP numbers: 2a01:4f8:141:123::2 and 46.4.104.162.
Other host names, for instance ip4.00q.eu, kratz-lohr.de, mail.coolinger.net, 00q.eu and mail.familielohr.de share IP numbers with bt.coolinger.net.
Name Servers
bt.coolinger.net is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
bt.coolinger.net partially shares name servers with other domains; examples include gsccomputers.it, anissa.io, fetchio.xyz, aldissimmo.com and filmhandbuch.de.
These name servers are commonly used with the name servers ns1.your-server.de, ns.second-ns.com, robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
Host names with two IP numbers:
hydrogen.ns.hetzner.com points to 2a01:4f8:0:1::add:1098 and 213.133.100.98.
oxygen.ns.hetzner.com points to 2a01:4f8:0:1::add:2992 and 88.198.229.192.
helium.ns.hetzner.de points to 2001:67c:192c::add:5 and 193.47.99.5.
Mail Servers
bt.coolinger.net is handled by a single mail server, mail.coolinger.net.
bt.coolinger.net uses the same mail server setup as other domains, for example coolinger.net.
Host mail.coolinger.net resolves to two IPs: 2a01:4f8:141:123::2 and 46.4.104.162.