oplc.dk is a .dk domain served by 4 nameservers (ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mailgateway.sszcloud.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mailgateway.sszcloud.dk | 185.73.74.15 | mailgateway.sszcloud.dk | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.khscloud.dk → 185.73.74.134 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 1 | 100 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| HARICA-VQmeXTbibA8Z6s911C6 |
| MS=ms83703958 |
| v=spf1 a:mail.khscloud.dk ip4:185.73.74.134 include:spf.sszcloud.dk include:spf.protection.outlook.com -all |
| Policy | Record (oplc.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:mail.khscloud.dk ip4:185.73.74.134 include:spf.sszcloud.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.oplc.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@ssz.dk; ruf=mailto:dmarc@ssz.dk; sp=reject; fo=s; aspf=r |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves oplc.dk: no address www.oplc.dk: no address |
| Wildcard | No |
DNS lookups: 4/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mailgateway.sszcloud.dk | DANE-EE · SPKI · SHA-256 | 5CDC1E7E30950E9EEA683136528B6A5C… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1-05.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 06:18:40 | 577ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-25 22:31:33 | 509ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-08 09:19:32 | 759ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 02:20:51 | 883ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-25 19:54:35 | 9752ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-24 22:48:46 | 846ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-22 22:03:23 | 1416ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-18 08:59:47 shown | 1483ms | 4 NS 0 A 1 MX | 🔓 Insecure |