seo.dk is a .dk domain served by 2 nameservers (heather.ns.cloudflare.com, noel.ns.cloudflare.com). It was registered on 27 August 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.202.8.75 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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.
| TXT Record |
|---|
| google-site-verification=ZAcnU97MbDrvXeTNF3qgi9NC2ERb-yNAFP8M2A-E0sQ |
| v=spf1 include:_spf.google.com include:7956856.spf03.hubspotemail.net ~all |
| Policy | Record (seo.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com include:7956856.spf03.hubspotemail.net ~all |
| www | 104.21.4.41 172.67.131.163 2606:4700:3034::6815:429 2606:4700:3037::ac43:83a3 (AS13335) (address records, no CNAME) |
| www vs bare domain | Different networks seo.dk: 18.202.8.75 3.248.56.152 54.155.19.65 (AS16509) (all like this)www.seo.dk: 104.21.4.41 172.67.131.163 2606:4700:3034::6815:429 2606:4700:3037::ac43:83a3 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u9152139.wl140.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u9152139.wl140.sendgrid.net | RSA · ~1024 bit below 2048 bit |
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| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.seo.dk | SCX24hPzEGVY7OWbkvzqFYFwEoWbjP4DHlrSmj5SpPc |
| TXT | _acme-challenge.seo.dk | g5Hkukz4nUX9cLpWU3BAZeINz-gkm_XtGiOakPiUYiA |
| 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 | 2414899112 |
| Primary NS (MNAME) | heather.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2002-08-27 |
| Expires | 2027-09-30 (344d) |
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).
| Domain | Registrar |
|---|---|
| seokursus.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 23:35:22 | 803ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-09-29 23:58:16 | 800ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-09-22 13:51:34 | 810ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-09-18 11:04:53 | 1054ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-09-15 15:20:13 shown | 1108ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-09-08 03:20:04 | 1528ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-08-27 07:38:36 | 891ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-07-18 02:38:28 | 1456ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-07-08 21:21:37 | 1586ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-06-27 09:49:00 | 3475ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-06-18 03:00:02 | 1181ms | 2 NS 3 A 5 MX | ⚠️ Bogus |