cyber-forsvar.dk is a .dk domain served by 2 nameservers (carter.ns.cloudflare.com, nelci.ns.cloudflare.com). It was registered on 29 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.210.177.56 is hosted by CoMaSys ApS (AS51377) in Denmark. Mail is handled by cyberforsvar-dk01c.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 |
|---|---|---|---|---|---|---|---|
| 185.210.177.56 | 300s | 185-210-177-56.comasys.dk | AS51377 | CoMaSys ApS | 185.210.176.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms18543708 |
| pax8-verification=f99a2fdf-b01b-33b7-896f-3ab52df8ca05 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (cyber-forsvar.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.cyber-forsvar.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:a.hf6z78x2@sdmarc.net; adkim=r; aspf=r |
| www | 185.210.177.56 (AS51377) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-cyberforsvar-dk01c._domainkey.365itdk.onmicrosoft.com | 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: 1/10 · 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 | 2416287812 |
| Primary NS (MNAME) | carter.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Namehost by CoMaSys ApS |
| Registered | 2023-11-29 |
| Expires | 2026-11-28 (39d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 15:39:12 shown | 1079ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 15:31:17 | 2073ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 01:20:56 | 1360ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 06:47:12 | 1254ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 11:07:06 | 912ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 10:55:10 | 936ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 22:13:56 | 3178ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-31 21:54:30 | 2150ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 04:08:58 | 1324ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 03:45:59 | 1083ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 11:28:39 | 1596ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 06:29:21 | 1211ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 15:09:22 | 2496ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 23:22:24 | 2757ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 23:21:35 | 649ms | 2 NS 1 A 1 MX | 🔒 Secure |