gtz.dk is a .dk domain served by 2 nameservers (amir.ns.cloudflare.com, carla.ns.cloudflare.com). It was registered on 26 May 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 139.177.180.131 is hosted by Akamai Connected Cloud (AS63949) in Germany. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 139.177.180.131 | 300s | 139-177-180-131.ip.linodeusercontent.com | AS63949 | Akamai Connected Cloud | 139.177.176.0/20 | 🇩🇪 Germany | Frankfurt am Main |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 139.177.180.131 |
| 🔶 Autoconfig | 139.177.180.131 |
| TXT Record |
|---|
| OSSRH-96511 |
| v=spf1 -all |
| Policy | Record (gtz.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.gtz.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | 139.177.180.131 (AS63949) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417151700 |
| Primary NS (MNAME) | amir.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 | 2019-05-26 |
| Expires | 2027-05-31 (217d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 14:14:00 shown | 717ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-21 07:42:11 | 734ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-11 11:48:31 | 424ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-10 11:12:16 | 493ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-04 19:26:10 | 837ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 19:21:35 | 1763ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-02 19:16:09 | 739ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-28 18:50:50 | 925ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-22 12:15:07 | 884ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-17 12:13:32 | 1338ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-12 19:13:04 | 1154ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-05 17:57:32 | 1348ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-01 03:09:04 | 1310ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-30 14:17:21 | 2301ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 12:17:38 | 1495ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-15 12:11:32 | 2421ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-11 17:01:51 | 1155ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 16:19:38 | 2976ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-05 06:36:44 | 989ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-01 23:11:52 | 898ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 00:21:10 | 1101ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-21 21:47:24 | 9498ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-13 20:10:48 | 9002ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-08 16:50:14 | 1920ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 10:47:05 | 20646ms | 2 NS 1 A 0 MX | 🔒 Secure |