siimpetersen.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 9 December 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, 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 |
|---|
| apple-domain=BbQspB1TePv5SDst |
| v=spf1 include:icloud.com ~all |
| Policy | Record (siimpetersen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves siimpetersen.dk: no address www.siimpetersen.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 5/10 · 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 | 2026012006 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2009-12-09 |
| Expires | 2026-12-31 (70d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 13:27:53 | 658ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-01 22:12:58 | 442ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-14 01:16:28 | 626ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-28 11:09:00 | 779ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-26 15:27:25 | 849ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-25 22:33:53 | 839ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-22 18:47:23 shown | 3466ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-21 16:01:24 | 916ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 04:48:39 | 1146ms | 4 NS 0 A 2 MX | 🔒 Secure |