mecklenburg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 July 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.91.139.21 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 83.91.139.21 | 20000s | 83-91-139-21-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 83.90.0.0/15 | 🇩🇰 Denmark | Ballerup Municipality |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mecklenburg.dk → 83.91.139.21 |
| 🔶 Autoconfig | mecklenburg.dk → 83.91.139.21 |
| www CNAME | mecklenburg.dk (all on mecklenburg.dk) → 83.91.139.21 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.mecklenburg.dk | mecklenburg.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092401 |
| 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 | 2004-07-05 |
| Expires | 2027-07-31 (278d) |
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).
| Domain | Registrar |
|---|---|
| nickbliversmart.dk | Punktum dk A/S (direct) |
| nicksfotogrej.dk | Punktum dk A/S (direct) |
| studiefotografen.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 12:04:51 shown | 477ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 07:32:46 | 592ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 20:37:24 | 670ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 01:47:26 | 785ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 19:25:28 | 501ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-04 02:42:33 | 6523ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 09:20:05 | 932ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 20:59:25 | 656ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 02:55:02 | 1963ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 16:56:16 | 2149ms | 2 NS 1 A 0 MX | 🔒 Secure |