catago.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 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by catago-dk.o-v1.mx.microsoft. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | — | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| TXT Record |
|---|
| MS=ms65259120 |
| v=spf1 include:spf.protection.outlook.com include:_spf.herodesk-mails.io -all |
| Policy | Record (catago.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.herodesk-mails.io -all |
| www | 195.47.247.18 (AS51468) (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 |
|---|---|---|
| k1 | dkim.mcsv.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: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.catago-dk.o-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | C495D9E40F7E625BE22F83CC64305182… |
| SMTP _25._tcp.catago-dk.o-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 6EBFF927297A5B3AAF5EAE672252C36A… |
| SMTP _25._tcp.catago-dk.o-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 133086C7B822371A4A3304F1661A7880… |
| SMTP _25._tcp.catago-dk.o-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 5F88694615E4C61686E106B84C3338C6… |
| SMTP _25._tcp.catago-dk.o-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | A6C267923B26A4A9617EDA73D8DB4FBC… |
| SMTP _25._tcp.catago-dk.o-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 38D895F5105BC2545822C17A2444F4B0… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| 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 |
|---|---|---|---|
| 2026-10-12 16:40:58 | 703ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 02:29:27 | 963ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 17:59:06 | 1338ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 01:50:32 | 835ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 07:24:27 | 3352ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 14:56:05 | 5074ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 22:55:51 | 9332ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 14:27:17 | 9348ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 02:40:40 | 2707ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 13:12:14 | 1031ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 07:49:17 | 911ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 19:45:39 shown | 746ms | 2 NS 1 A 1 MX | 🔒 Secure |