cgtnet.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, erin.ns.cloudflare.com). It was registered on 13 October 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 45.157.177.136 is hosted by netcup GmbH (AS197540) in Germany. Mail is handled by mx.cgtnet.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 45.157.177.136 | 300s | mirek.gamrath.net | AS197540 | netcup GmbH | 45.157.176.0/22 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.cgtnet.dk | 2a03:4000:4b:190:a41a:abff:fef8:7c13 45.157.177.136 |
mirek.gamrath.net mirek.gamrath.net |
AS197540 netcup GmbH AS197540 netcup GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a03:4000:4b:190:a41a:abff:fef8:7c13 | 300s | mirek.gamrath.net | AS197540 | netcup GmbH | 2a03:4000:0:0:0:0:0:0/31 | 🇩🇪 Germany | Nuremberg |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (cgtnet.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.cgtnet.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:59c91c229f964a378587350a10d4037c@dmarc-reports.cloudflare.net; |
| www CNAME | mirek.gamrath.net (all on gamrath.net) |
| www vs bare domain | Same network cgtnet.dk: 45.157.177.136 2a03:4000:4b:190:a41a:abff:fef8:7c13 (AS197540) www.cgtnet.dk: 45.157.177.136 2a03:4000:4b:190:a41a:abff:fef8:7c13 (AS197540) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.cgtnet.dk | GxnmHSIQe9aOrYLofK5Wtanij5p7F-EOHxOQhs5AC90 |
| TXT | _acme-challenge.cgtnet.dk | _n9v_8r-YbEKk-Pa5Xd76Oa6vCO4q5Mm0UTAsqnUhV8 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2415804858 |
| Primary NS (MNAME) | duke.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-10-13 |
| Expires | 2026-10-31 (12d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 05:16:29 | 1174ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 18:30:38 | 610ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 09:37:36 | 1099ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 08:29:59 | 1235ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 23:37:57 | 1106ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 23:09:05 shown | 1075ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 21:25:16 | 1689ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 23:29:10 | 2165ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 23:00:58 | 1199ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 17:22:56 | 402ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-07 05:38:05 | 759ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-30 07:17:09 | 23073ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-11 12:02:57 | 8878ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-23 06:55:59 | 694ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 06:13:12 | 386ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-16 20:15:41 | 370ms | 2 NS 0 A 0 MX | 🔒 Secure |