thykassen.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 9 October 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail03.portsit.se. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail03.portsit.se | 193.14.90.173 | mail03.portsit.se | AS1257 Tele2 SWIPnet |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (thykassen.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.thykassen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:674d7ccbb3b95@dmarc-dk.centerasecurity.com; |
| www | Exists, no address |
| www vs bare domain | Neither resolves thykassen.dk: no address www.thykassen.dk: no address |
| Wildcard | No |
| 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: 0/10 · 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025111700 |
| Primary NS (MNAME) | a.portsdns.se |
| Responsible (RNAME) | registry@ports.net |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 2592000s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2018-10-09 |
| Expires | 2026-10-31 (9d) |
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 |
|---|---|---|---|
| 2026-09-29 21:03:39 shown | 643ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 17:03:05 | 717ms | 2 NS 0 A 1 MX | 🔓 Insecure |