mikrosec.dk is a .dk domain served by 2 nameservers (chuck.ns.cloudflare.com, lana.ns.cloudflare.com). It was registered on 4 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mikrosec-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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.47.110 | — | — | AS13335 | — | — | — | — |
| 172.67.147.53 | — | — | AS13335 | — | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.96.59.200 |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.47.110,172.67.147.53 ech=AEX+DQBBegAgACBX2r4gu402lfQJBDzNPRD+BImzp76oMzFR73R+6TBCWwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms65357937 |
| v=spf1 a ip4:93.167.225.229 mx:mail.coolhand.dk include:spf.protection.outlook.com ~all |
| Policy | Record (mikrosec.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a ip4:93.167.225.229 mx:mail.coolhand.dk include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.mikrosec.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:af6fe5bfcc98457aaecc91f4b45e2467@dmarc-reports.cloudflare.net |
| www | 104.21.47.110 172.67.147.53 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network mikrosec.dk: 104.21.47.110 172.67.147.53 (AS13335) www.mikrosec.dk: 104.21.47.110 172.67.147.53 (AS13335) |
| 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-mikrosec-dk._domainkey.mikrosec.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-mikrosec-dk._domainkey.mikrosec.onmicrosoft.com | RSA · ~1024 bit below 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: 3/10 · 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 | 2407069474 |
| Primary NS (MNAME) | chuck.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-02-04 |
| Expires | 2027-05-31 (224d) |
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).
| Domain | Registrar |
|---|---|
| adlercreutz.dk | Punktum dk A/S (direct) |
| coolhand.dk | Punktum dk A/S (direct) |
| fugefraes.dk | Punktum dk A/S (direct) |
| fugefræs.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 13:11:52 | 2467ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-03 03:18:06 | 4280ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-01 03:09:29 | 1295ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-24 01:56:25 | 1674ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-21 11:53:09 | 3034ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-01 08:15:41 | 1368ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-27 21:08:01 | 1203ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-23 07:09:42 | 12737ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-22 06:55:36 | 9841ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-07 03:52:54 | 1582ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-12 17:01:56 | 2449ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-26 21:28:40 | 6052ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-22 05:50:46 | 1175ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 01:59:33 shown | 1585ms | 2 NS 2 A 1 MX | 🔒 Secure |