issk.dk is a .dk domain served by 5 nameservers (ns1.d-n-s.dk, ns2.d-n-s.dk, ns3.d-n-s.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.142.195.141 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by issk-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.142.195.141 | — | web346.mwahost.com | AS8075 | Microsoft Corporation | 52.136.0.0/13 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.240.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| DNS-Service by D-N-S.DK |
| MS=ms97505498 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (issk.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.issk.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@issk.dk; ruf=mailto:dmarc@issk.dk; |
| www CNAME | issk.dk (all on issk.dk) → 52.142.195.141 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 2025030400 |
| Primary NS (MNAME) | ns1.d-n-s.dk |
| Responsible (RNAME) | hostmaster@d-n-s.dk |
| Refresh | 7200s |
| Retry | 120s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 07:42:40 | 19314ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 07:39:53 | 21299ms | 5 NS 0 A 1 MX | ❓ Unknown |
| 2026-10-01 04:51:39 | 1058ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 09:06:41 | 7285ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 09:51:03 | 5112ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 23:38:47 | 12356ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-29 11:13:47 | 16753ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-22 18:29:22 | 18833ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-18 16:07:55 | 24858ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-10 00:16:17 | 10507ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 12:47:27 | 2558ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 20:14:33 | 899ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:24:36 shown | 4778ms | 5 NS 1 A 1 MX | 🔓 Insecure |