geodanmark.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.215 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.215 | 43200s | prolinux4.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 43200s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 a include:spf.curanet.dk include:em2213.geodanmark.dk include:_spf.mlsend.com include:uxmail.io include:_spf.createsend.com -all |
| Policy | Record (geodanmark.dk) |
|---|---|
| -all (hard fail) | v=spf1 a include:spf.curanet.dk include:em2213.geodanmark.dk include:_spf.mlsend.com include:uxmail.io include:_spf.createsend.com -all |
| Policy | Record (_dmarc.geodanmark.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com; |
| www CNAME | geodanmark.dk (all on geodanmark.dk) → 185.21.41.215 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u12732767.wl018.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u12732767.wl018.sendgrid.net | 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: 8/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052801 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 17:16:28 | 381ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 15:35:10 | 607ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 20:54:54 | 660ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 14:55:27 | 1667ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 03:22:35 shown | 2862ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 07:36:22 | 1102ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 17:38:52 | 483ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 09:36:51 | 551ms | 2 NS 1 A 2 MX | 🔒 Secure |