51487.dk is a .dk domain served by 2 nameservers (ns.nsd.dk, ns2.nsd.dk). It was registered on 22 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 139.177.181.70 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by d336952.a.ess.de.barracudanetworks.com, d336952.b.ess.de.barracudanetworks.com. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.nsd.dk | 172.104.147.68 | ns.nsd.dk | AS63949 Akamai Connected Cloud |
| ns2.nsd.dk | 62.242.205.2 | ns2.nsd.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 139.177.181.70 | 86400s | web002.nsdhosting.dk | AS63949 | Akamai Connected Cloud | 139.177.176.0/20 | 🇩🇪 Germany | Frankfurt am Main |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| TXT Record |
|---|
| MS=ms86304542 |
| v=spf1 include:spf.protection.outlook.com a:antispam.nsd.dk -all |
| Policy | Record (51487.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com a:antispam.nsd.dk -all |
| www | 139.177.181.70 (AS63949) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026101403 |
| Primary NS (MNAME) | ns.nsd.dk |
| Responsible (RNAME) | root@ns.nsd.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | NETPLAN SYSTEM DESIGN.DK ApS |
| Registered | 2004-03-22 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 21:35:34 shown | 676ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-13 20:54:59 | 1177ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-08 16:04:18 | 858ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-06 15:42:56 | 756ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-05 12:41:26 | 1951ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 12:06:12 | 1083ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-29 11:56:48 | 968ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-26 11:33:46 | 883ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-26 06:36:43 | 874ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-24 05:48:32 | 923ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-15 10:48:13 | 1576ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-08 08:11:19 | 1014ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-06 05:50:33 | 1255ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-25 14:39:00 | 1928ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-21 02:28:36 | 7428ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-19 00:41:07 | 5623ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-17 22:23:59 | 10005ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-15 00:34:56 | 1133ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-07 07:31:38 | 1534ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-29 16:17:14 | 1220ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-24 16:10:31 | 8828ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-23 14:50:46 | 888ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-12 14:29:07 | 1108ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-08 14:50:03 | 1163ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-07 00:29:24 | 33550ms | 2 NS 1 A 2 MX | 🔓 Insecure |