simplepool.dk is a .dk domain served by 2 nameservers (ada.ns.cloudflare.com, henry.ns.cloudflare.com). It was registered on 6 November 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (simplepool.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.simplepool.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:621767c8b015f@dmarc.centerasecurity.com; |
| www | Exists, no address |
| www vs bare domain | Neither resolves simplepool.dk: no address www.simplepool.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 |
DNS lookups: 0/10 · 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 |
| Field | Value |
|---|---|
| Serial | 2413868582 |
| Primary NS (MNAME) | ada.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 | 2018-11-06 |
| Expires | 2028-11-30 (771d) |
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 |
|---|---|---|---|
| 2026-10-10 20:06:26 | 1423ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-25 08:38:33 | 595ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-20 21:37:16 | 568ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-14 13:48:14 | 988ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-05 18:54:14 shown | 932ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-23 22:29:27 | 2766ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-02 06:45:03 | 840ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-22 02:55:54 | 879ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-07 05:10:57 | 860ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 22:05:16 | 1013ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 13:36:08 | 939ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 05:02:06 | 840ms | 2 NS 0 A 0 MX | 🔒 Secure |