polarportal.dk is a .dk domain served by 3 nameservers (mimer.deic.dk, ns-soa.darenet.dk, orion.i2.dk). It was registered on 7 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.33.46 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by smtp1.dmi.dk. 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 |
|---|---|---|---|---|---|---|---|
| 130.225.33.46 | 3600s | — | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | smtp1.dmi.dk | 130.226.67.142 | smtp1.dmi.dk | AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education |
| TXT Record |
|---|
| v=spf1 ip4:188.64.157.0/28 mx include:_spf.maillist.dmi.dk -all |
| Policy | Record (polarportal.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:188.64.157.0/28 mx include:_spf.maillist.dmi.dk -all |
| Policy | Record (_dmarc.polarportal.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100; fo=1; ruf=mailto:hostmaster@dmi.dk |
| www | 130.225.33.46 (AS1835) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 3/10 · 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 | 1792518465 |
| Primary NS (MNAME) | mimer.deic.dk |
| Responsible (RNAME) | dns@support.i2.dk |
| Refresh | 16384s |
| Retry | 2048s |
| Expire | 2097152s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-05-07 |
| Expires | 2029-05-31 (952d) |
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 |
|---|---|---|---|
| 2026-10-21 04:19:17 shown | 414ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-19 22:55:31 | 736ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-18 21:44:46 | 778ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-17 21:40:27 | 422ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 21:32:25 | 387ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 20:52:39 | 565ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 19:30:32 | 601ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 18:19:51 | 422ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 17:07:32 | 1683ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 15:29:27 | 1239ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 13:48:08 | 485ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 05:07:43 | 7697ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 05:00:56 | 451ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 02:53:54 | 5183ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 02:49:24 | 5139ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 02:31:45 | 1254ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 02:29:47 | 1279ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 02:23:26 | 5135ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 02:14:20 | 1761ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 01:55:46 | 2768ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 01:42:05 | 1928ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 01:26:45 | 5084ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 00:57:14 | 484ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 12:59:49 | 3917ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 12:46:52 | 2801ms | 3 NS 1 A 1 MX | 🔒 Secure |