arkitektkontor.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 May 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.88.95.64 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by arkitektkontor-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 23.88.95.64 | — | dedi7385.your-server.de | AS24940 | Hetzner Online GmbH | 23.88.0.0/17 | 🇩🇪 Germany | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:1061:1138::2 | — | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | — |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all |
| Policy | Record (arkitektkontor.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all |
| Policy | Record (_dmarc.arkitektkontor.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none;rua=mailto:hvam@arkitektkontor.dk |
| www | 23.88.95.64 2a01:4f8:1061:1138::2 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network arkitektkontor.dk: 23.88.95.64 2a01:4f8:1061:1138::2 (AS24940) www.arkitektkontor.dk: 23.88.95.64 2a01:4f8:1061:1138::2 (AS24940) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-arkitektkontor-dk._domainkey.arkitektkontor.onmicrosoft.com | RSA · ~1024 bit below 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: 2/10 · 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 | 2026060401 |
| 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 | 1999-05-31 |
| Expires | 2027-06-30 (250d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 19:38:16 | 1707ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 03:40:11 | 1421ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 13:33:35 | 1535ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 01:04:18 | 1489ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 13:51:08 | 1701ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 20:21:11 | 1271ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 04:37:05 | 9769ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 04:24:02 | 7641ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 21:04:46 | 5453ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 16:35:05 | 3149ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 15:58:49 | 5145ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 20:48:28 | 1226ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-05 00:22:08 | 1550ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 04:35:11 | 1094ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 21:22:46 | 1175ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 03:08:47 | 3535ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 14:34:58 | 8209ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:39:23 shown | 711ms | 2 NS 1 A 1 MX | 🔒 Secure |