polarkort.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 8 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | 3600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves polarkort.dk: no address www.polarkort.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2026-05-08 |
| Expires | 2027-05-07 (202d) |
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 |
|---|---|---|---|
| 2026-10-13 07:55:22 shown | 529ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-03 19:21:15 | 485ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 16:57:29 | 463ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-01 00:01:26 | 515ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-26 20:03:13 | 454ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-01 04:04:08 | 418ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-25 18:32:25 | 1373ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 20:19:54 | 2244ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 12:16:21 | 543ms | 3 NS 0 A 1 MX | 🔒 Secure |