sandahlen.dk is a .dk domain served by 2 nameservers (john.ns.cloudflare.com, karina.ns.cloudflare.com). It was registered on 5 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by sandahlen-dk.mail.protection.outlook.com. 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.
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (sandahlen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.sandahlen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; aspf=s; adkim=s; rua=mailto:df1c3859aa9c4aac9d42e31aae836a7c@dmarc-reports.cloudflare.net; ruf=mailto:dmarc@sandahlen.dk; sp=reject;; |
| www | Exists, no address |
| www vs bare domain | Neither resolves sandahlen.dk: no address www.sandahlen.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-sandahlen-dk._domainkey.sandahlen.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-sandahlen-dk._domainkey.sandahlen.onmicrosoft.com | RSA · ~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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Key type | Algorithm | Public key |
|---|---|---|
| KSK | ECDSA P-256/SHA-256 | mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopK… |
| ZSK | ECDSA P-256/SHA-256 | oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XN… |
| Field | Value |
|---|---|
| Serial | 2413289492 |
| Primary NS (MNAME) | john.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-09-05 |
| 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 |
|---|---|
| vistifrederiksen.dk | Punktum dk A/S (direct) |
| vistisandahl.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 05:09:13 | 2245ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-14 03:55:12 | 2806ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-07 14:51:42 | 1066ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-04 14:24:45 | 1083ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 14:08:50 | 1080ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 03:49:15 | 904ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 18:41:31 | 1277ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-20 17:40:49 | 1093ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-13 15:23:30 | 766ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-03 16:32:04 | 2149ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-03 10:13:20 shown | 3039ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-28 00:43:28 | 658ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-07 11:24:14 | 2033ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-25 02:38:32 | 33177ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-11 15:27:57 | 10812ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-03 01:23:46 | 3735ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-28 00:46:25 | 1320ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 11:37:54 | 1097ms | 2 NS 0 A 1 MX | 🔒 Secure |