murerfs.dk is a .dk domain the registry has taken out of service: it is delegated to the registry's own sentinel nameservers (nonexistent.punktum.dk), so it does not resolve. It first appeared in the .dk zone on 21 July 2026. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| nonexistent.punktum.dk | — | — | — |
| www | Address record (no CNAME) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-murerfs-dk._domainkey.murerfs.a-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-murerfs-dk._domainkey.murerfs.a-v1.dkim.mail.microsoft | 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.
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown (the delegated nameservers don't answer) |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: failure |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 18:41:05 | 953ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 18:11:13 | 2880ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 20:01:34 | 2196ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-05 17:56:34 | 1429ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 02:52:31 | 721ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 01:39:22 | 9738ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-21 08:40:34 shown | 1053ms | 1 NS 0 A 0 MX | ❓ Unknown |