gerlev-kro.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 May 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.247 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 178.20.217.247 | 600s | vps3.simpledigital.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:178.20.217.247 include:spectra-systems.eu include:spf.hostingconnection.eu include:spf.curanet.dk ~all |
| Policy | Record (gerlev-kro.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:178.20.217.247 include:spectra-systems.eu include:spf.hostingconnection.eu include:spf.curanet.dk ~all |
| www | 185.130.190.67 (AS210939) (address records, no CNAME) |
| 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 |
|---|---|---|
| default | — | 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: 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 | 2026052601 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-05-27 |
| Expires | 2027-06-30 (255d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 14:04:43 | 376ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 23:18:29 | 1387ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 21:34:00 | 644ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-21 01:06:37 | 886ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-12 10:24:30 | 890ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 14:49:22 shown | 1019ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 04:00:51 | 1020ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 02:31:39 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 13:34:29 | 798ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 10:09:50 | 1088ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 04:21:48 | 442ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 10:31:36 | 800ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 10:29:21 | 553ms | 2 NS 1 A 2 MX | 🔒 Secure |