cleancore.dk is a .dk domain served by 2 nameservers (ns01.danskinternet.dk, ns02.danskinternet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by cleancore-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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.danskinternet.dk | — | — | — |
| ns02.danskinternet.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 93.191.155.240 | — | forward.dnsfactory.dk | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 include:spf.danskinternet.dk include:spf.protection.outlook.com -all |
| Policy | Record (cleancore.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.danskinternet.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.cleancore.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| www | 162.159.135.42 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-cleancore-dk._domainkey.cmcdkcleancore.a-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-cleancore-dk._domainkey.cmcdkcleancore.a-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 | 2026061203 |
| Primary NS (MNAME) | ns01.danskinternet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 11:30:31 | 1101ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:10:31 | 1093ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 21:53:15 | 1025ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 23:44:07 | 782ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 02:41:58 | 4042ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 19:42:05 | 1551ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 12:36:14 | 987ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 13:52:33 | 1193ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 11:41:15 | 2990ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 21:10:04 shown | 1844ms | 2 NS 1 A 1 MX | 🔒 Secure |