arnborgit.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 June 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.62.96.89 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by arnborgit-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 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 |
|---|---|---|---|---|---|---|---|
| 87.62.96.89 | 43200s | 0x573e6059.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.62.0.0/15 | 🇩🇰 Denmark | Fredericia |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms93969387 |
| v=spf1 include:spf.protection.outlook.com ip4:87.62.96.89 -all |
| Policy | Record (arnborgit.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:87.62.96.89 -all |
| www | 87.62.96.89 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.arnborgit.dk | TK_xF64QgoAU5rJZBAHk5QGJywmzP_I__lBIgN5KazY |
| TXT | _acme-challenge.arnborgit.dk | vj5-opT2lDqZ4dEul_1_gEUSqKlvJiAjJEqr55Wmsnw |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061001 |
| 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 | 2016-06-01 |
| Expires | 2027-06-30 (246d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 08:31:39 | 2148ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 02:56:16 | 1035ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 03:53:08 | 1291ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 23:58:29 | 25155ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 20:02:31 | 5305ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 04:40:41 | 6582ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-11 10:23:20 | 1227ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 01:19:58 | 3071ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 09:14:06 | 1031ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 07:05:01 | 2227ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 02:24:46 | 930ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 11:01:04 shown | 655ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:40:13 | 831ms | 2 NS 1 A 1 MX | 🔒 Secure |