forum.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 23 April 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.14.90.203 is hosted by Tele2 SWIPnet (AS1257) in Sweden. Mail is handled by forummail.forum.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 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 |
|---|---|---|---|---|---|---|---|
| 193.14.90.203 | — | redirect.portsit.se | AS1257 | Tele2 SWIPnet | 193.12.0.0/14 | 🇸🇪 Sweden | Malmö |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | forummail.forum.dk | 77.66.26.202 | forummail.forum.dk | AS47292 Sentia Denmark A/S |
| TXT Record |
|---|
| v=spf1 include:_spf.zdsys.com -all |
| Policy | Record (forum.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.zdsys.com -all |
| Policy | Record (_dmarc.forum.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:615ad3c60eb36@dmarc.centerasecurity.com; adkim=s; aspf=s |
| www | 193.14.90.203 (AS1257) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · 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 | 2026052900 |
| Primary NS (MNAME) | a.portsdns.se |
| Responsible (RNAME) | registry@ports.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 28800s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 1996-04-23 |
| Expires | 2027-06-30 (254d) |
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 |
|---|---|---|---|
| 2026-09-27 06:46:46 | 1462ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 06:14:41 | 983ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 06:08:02 | 1619ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 17:31:53 | 900ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 16:38:04 | 1187ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 03:31:18 | 3527ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-30 18:41:05 | 1314ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 19:19:27 | 13606ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 18:56:07 | 1508ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 20:15:19 | 861ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 10:13:23 | 1008ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 16:38:54 | 1154ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 03:47:17 | 824ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 23:52:55 | 2010ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:04:04 shown | 7370ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:26:55 | 677ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:26:45 | 1103ms | 2 NS 1 A 1 MX | 🔒 Secure |