arnbitter.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 10 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by arnbitter-dk.mail.protection.outlook.com. The zone is of unknown DNSSEC status, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns07.sac-it.dk | 85.235.243.63 | ns07.sac-it.dk | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.99.204.232 |
| TXT Record |
|---|
| MS=ms87314836 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (arnbitter.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.arnbitter.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves arnbitter.dk: no address www.arnbitter.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'arnbitter.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026072301 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@arnbitter.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-10-10 |
| Expires | 2027-10-31 (373d) |
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 |
|---|---|---|---|
| 2026-10-22 20:17:04 | 496ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-16 22:11:26 | 1105ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-08 05:38:57 | 1266ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-02 00:32:45 | 1104ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-01 00:30:23 | 858ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-24 02:03:07 | 741ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-21 10:19:38 | 874ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-15 10:37:04 | 1032ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-03 18:04:40 | 823ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 12:01:26 | 1109ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-20 17:43:30 | 1929ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-14 04:45:13 | 1301ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-07 11:53:58 | 1284ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-04 11:20:17 | 2195ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-23 04:59:15 shown | 942ms | 2 NS 0 A 1 MX | ❓ Unknown |
| 2026-07-16 16:50:09 | 1049ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-11 08:49:58 | 9096ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-03 14:49:12 | 892ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-01 13:50:51 | 1138ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-26 16:16:59 | 1190ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-26 11:03:17 | 852ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 23:13:54 | 1207ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:40:33 | 746ms | 2 NS 0 A 1 MX | 🔓 Insecure |