ptrsn.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 October 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | — | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | 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 |
| TXT Record |
|---|
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (ptrsn.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| www CNAME | ptrsn.dk (all on ptrsn.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| 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 | 2026061101 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@ptrsn.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-10-01 |
| Expires | 2026-10-31 (5d) |
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 18:16:01 | 781ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 04:14:24 | 1349ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 11:48:59 | 1058ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-03 08:47:41 | 541ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 18:57:20 | 879ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 18:49:21 | 609ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 16:05:59 | 802ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-18 19:25:23 | 742ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-12 21:56:13 | 766ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-12 04:45:18 | 1168ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-08 13:42:31 | 769ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 20:07:40 | 776ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 13:57:22 | 675ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 07:51:36 | 5937ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 04:42:10 | 3803ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-09 16:15:32 | 4570ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-02 18:22:47 | 9032ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 07:43:06 | 9021ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-16 18:20:59 | 1108ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-10 01:36:29 | 9903ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 13:25:23 | 913ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 19:50:55 | 844ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 01:34:43 shown | 1155ms | 5 NS 1 A 3 MX | 🔓 Insecure |