derhvorduer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 March 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.66.124.49 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.derhvorduer.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 this 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 |
|---|---|---|---|---|---|---|---|
| 77.66.124.49 | 3600s | web1.sparkron.dk | AS47292 | Sentia Denmark A/S | 77.66.124.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.derhvorduer.dk | 77.66.124.49 | web1.sparkron.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.66.124.49 |
| 🔶 Autoconfig | 77.66.124.49 |
| TXT Record |
|---|
| v=spf1 a mx ptr ip4:77.66.124.49 ~all |
| Policy | Record (derhvorduer.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ptr ip4:77.66.124.49 ~all |
| www | 77.66.124.49 (AS47292) (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 |
DNS lookups: 3/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032401 |
| 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 | 2014-03-31 |
| Expires | 2027-03-31 (155d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 21:47:06 | 2942ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-21 05:14:41 | 821ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 19:11:18 | 437ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 23:08:32 | 4360ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 01:27:51 | 676ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 23:47:34 | 488ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 19:32:28 | 1505ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 16:04:41 | 789ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 09:53:18 | 4737ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 19:19:11 | 601ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 19:22:17 | 1621ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 16:39:32 shown | 586ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 11:36:36 | 2536ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 16:40:29 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 02:06:13 | 526ms | 2 NS 1 A 1 MX | 🔒 Secure |