gtj.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.27.12.90 is hosted by Hi3G Access AB (AS44034) in Denmark. Mail is handled by gtj.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 212.27.12.90 | 43200s | 212.27.12.90.mobile.3.dk | AS44034 | Hi3G Access AB | 212.27.0.0/19 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | gtj.dk | 212.27.12.90 | 212.27.12.90.mobile.3.dk | AS44034 Hi3G Access AB |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 212.27.12.90 |
| 🔶 Autoconfig | 212.27.12.90 |
| www | 212.27.12.90 (AS44034) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092701 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2005-05-27 |
| Expires | 2027-05-31 (226d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 12:51:19 shown | 604ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 11:47:10 | 610ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 09:32:53 | 819ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 15:51:57 | 547ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 05:37:51 | 4690ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 02:46:15 | 4680ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 12:05:51 | 701ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 18:05:00 | 696ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 08:09:26 | 558ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:00:39 | 790ms | 2 NS 1 A 1 MX | 🔒 Secure |