copensec.dk is a .dk domain served by 4 nameservers (ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org and 1 more). It was registered on 25 June 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.153.39 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by copensec-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 20.50.153.39 | 3600s | — | AS8075 | Microsoft Corporation | 20.48.0.0/12 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| TXT Record |
|---|
| _8nyq2vpys1ceuov2452rlm8cdarjcfd |
| _b07q0suer7j71medh6adqqkp9dhl15k |
| _gnmdzevi53j0q9umsvwubxcwf5k6icr |
| _hshbsyqnpe186pd0e2hbkduomgp1far |
| v=spf1 include:_spf.wiegman.dk include:spf.protection.outlook.com include:2kk8b6w74.spf.checkpoint-spf.com -all |
| Policy | Record (copensec.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.wiegman.dk include:spf.protection.outlook.com include:2kk8b6w74.spf.checkpoint-spf.com -all |
| Policy | Record (_dmarc.copensec.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:dmarc_rua@latency.dk,mailto:latencydk@eu.cp-dmarc.com;ruf=mailto:dmarc_ruf@latency.dk;ri=86400;aspf=s;adkim=s;fo=1 |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-copensec-dk._domainkey.wiegmanmail.d-v1.dkim.mail.microsoft | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1-03.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DNS Platform ApS |
| Registered | 2025-06-25 |
| Expires | 2027-06-24 (249d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-27 23:17:28 shown | 1271ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 20:12:15 | 1801ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:25:58 | 1860ms | 4 NS 1 A 1 MX | 🔒 Secure |