albretsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 May 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.15.72.177 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.albretsen.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 185.15.72.177 | 43200s | xb90f48b1.customers.hiper-net.dk | AS203953 | Hiper A/S | 185.15.72.0/22 | 🇩🇰 Denmark | Bagsværd |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.albretsen.dk | 185.15.72.177 | xb90f48b1.customers.hiper-net.dk | AS203953 Hiper A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.15.72.177 |
| 🔶 Autoconfig | 185.15.72.177 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| fe80::8c04:c7f5:9dd0:e513 | 43200s | — | — | — | — | — | — |
| TXT Record |
|---|
| 177.72.15.185.in-addr.arpa |
| google-site-verification=z-6WBbPZjQbyz96K1DoSJnyT2zKSGJ6BBZY2WHXjh9w |
| v=spf1 a:mail.albretsen.dk -all |
| Policy | Record (albretsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:mail.albretsen.dk -all |
| Policy | Record (_dmarc.albretsen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:pc@albretsen.dk; ruf=mailto:pc@albretsen.dk; |
| www | 185.15.72.177 fe80::8c04:c7f5:9dd0:e513 (AS203953) (address records, no CNAME) |
| www vs bare domain | Same network albretsen.dk: 185.15.72.177 fe80::8c04:c7f5:9dd0:e513 (AS203953) www.albretsen.dk: 185.15.72.177 fe80::8c04:c7f5:9dd0:e513 (AS203953) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit test mode |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101301 |
| 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 | 1997-05-01 |
| Expires | 2027-06-30 (253d) |
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 |
|---|---|---|---|
| 2026-10-14 02:13:05 shown | 1007ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 13:41:18 | 769ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 08:25:33 | 502ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 07:21:04 | 2590ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 19:48:06 | 801ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 02:44:39 | 898ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 14:10:35 | 723ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:22:33 | 613ms | 2 NS 1 A 1 MX | 🔒 Secure |