tb2.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 1 August 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.212 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.212 | 3600s | 212.giga-ptr.232.116.217.in-addr.arpa web12.gigahost.dk |
AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | tb2.dk (all on tb2.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026090301 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@tb2.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-08-01 |
| Expires | 2027-08-31 (312d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 15:09:39 | 836ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 10:23:24 | 1880ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 17:54:30 | 919ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-07 17:44:03 | 743ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 20:10:38 | 939ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 20:03:14 | 1108ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 04:45:46 | 1101ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-19 05:02:11 | 852ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-12 02:35:28 | 1813ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-06 02:26:43 shown | 1521ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 22:05:24 | 630ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 17:24:51 | 2298ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 09:29:25 | 1273ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 05:36:42 | 1721ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-03 22:12:27 | 1711ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 18:09:39 | 9779ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 13:56:55 | 1022ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 00:02:16 | 1082ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 11:37:06 | 1155ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 12:57:29 | 3745ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-23 18:11:15 | 842ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 23:12:10 | 1182ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 03:15:55 | 975ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 01:02:43 | 853ms | 5 NS 1 A 3 MX | 🔓 Insecure |