arkitektforbundet.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 November 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.19.251.20 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by arkitektforbundet-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 81.19.251.20 | 43200s | — | AS47292 | Sentia Denmark A/S | 81.19.248.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| 🔶 Autoconfig | 195.47.247.18 |
| TXT Record |
|---|
| v=spf1 mx a ip4:193.104.246.223/32 ip4:193.89.254.91/32 include:spf.siteworks.dk include:spf.protection.outlook.com -all |
| Policy | Record (arkitektforbundet.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a ip4:193.104.246.223/32 ip4:193.89.254.91/32 include:spf.siteworks.dk include:spf.protection.outlook.com -all |
| www CNAME | web1.siteworks.dk (all on siteworks.dk) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-arkitektforbundet-dk._domainkey.faod.d-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-arkitektforbundet-dk._domainkey.faod.d-v1.dkim.mail.microsoft | RSA · ~2048 bit |
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: 7/10 · 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 | 2026100601 |
| 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 | 2003-11-26 |
| Expires | 2026-11-30 (42d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 22:10:31 shown | 16641ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 19:57:09 | 4626ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 00:54:56 | 4439ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 00:36:53 | 4600ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 12:53:17 | 4537ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 06:32:51 | 16631ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 21:35:07 | 4533ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 21:54:24 | 5105ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 10:29:07 | 6627ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 09:39:26 | 7145ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-03 11:19:52 | 18880ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 04:42:29 | 11039ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 16:54:27 | 24943ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 09:43:24 | 4899ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 09:19:19 | 4535ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:39:19 | 2681ms | 2 NS 1 A 1 MX | 🔒 Secure |