sarahboelt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 December 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mailscan.solutio.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mailscan.solutio.dk | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | sarahboelt.dk |
| 🔶 Autoconfig | sarahboelt.dk |
| www | 93.90.146.105 (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sarahboelt.dk | sarahboelt.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2005-12-20 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 01:08:12 shown | 783ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-26 04:05:39 | 2763ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-12 15:30:28 | 791ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-28 00:08:30 | 672ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-26 22:03:06 | 792ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-11 15:27:08 | 2578ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-03 12:45:33 | 4713ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-18 05:48:45 | 16743ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-11 22:51:48 | 682ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-04 22:08:09 | 1127ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 13:51:27 | 772ms | 2 NS 0 A 1 MX | ⚠️ Bogus |
| 2026-06-17 13:02:28 | 730ms | 2 NS 0 A 1 MX | 🔒 Secure |