jespersen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 July 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | ghs.google.com → 216.58.201.243 |
| 🔶 Autoconfig | ghs.google.com → 216.58.201.243 |
| www CNAME | ghs.google.com (all on google.com) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.jespersen.dk | ghs.google.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026071201 |
| 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 | 2003-07-04 |
| Expires | 2027-07-31 (280d) |
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 |
|---|---|---|---|
| 2026-10-12 18:41:22 | 697ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-10-01 09:13:13 | 9678ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-27 12:56:46 | 848ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-13 11:00:30 | 3678ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-12 06:58:41 | 1551ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-18 09:55:04 | 9698ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-16 02:28:39 shown | 1739ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-23 12:13:01 | 1407ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-23 09:02:34 | 1174ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 21:01:50 | 3335ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-18 07:34:11 | 4771ms | 2 NS 0 A 7 MX | 🔒 Secure |