overlæge.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.57.241.43 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by xn--overlge-qxa.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.57.241.43 | 3600s | 87-57-241-43-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.57.0.0/16 | 🇩🇰 Denmark | Greve |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | xn--overlge-qxa.dk | 87.57.241.43 | 87-57-241-43-static.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.57.241.43 |
| 🔶 Autoconfig | 87.57.241.43 |
| TXT Record |
|---|
| Breum Data |
| www | 87.57.241.43 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026102001 |
| 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 | ONE.COM A/S |
| Registered | 2004-02-03 |
| Expires | 2029-02-28 (861d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 01:45:44 shown | 418ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 23:37:50 | 388ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 00:15:53 | 513ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 05:29:52 | 541ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 07:58:32 | 454ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 00:11:11 | 4658ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 15:33:47 | 557ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 08:12:12 | 615ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-23 16:36:51 | 431ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 02:05:22 | 768ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-22 23:43:43 | 401ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:35:27 | 532ms | 2 NS 1 A 1 MX | 🔒 Secure |