cognitus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 September 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.99 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx2.pub.mailpod8-cph3.one.com, mx3.pub.mailpod8-cph3.one.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.99 | 3600s | webcluster2.webpod16-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx2.pub.mailpod8-cph3.one.com | 185.164.14.103 | mx2.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod8-cph3.one.com | 185.164.14.104 | mx3.pub.mailpod8-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:111:801b:d63d:26cf:409d | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 include:sendgrid.net ~all |
| Policy | Record (cognitus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:sendgrid.net ~all |
| www | 46.30.215.99 2a02:2350:5:111:801b:d63d:26cf:409d (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network cognitus.dk: 46.30.215.99 2a02:2350:5:111:801b:d63d:26cf:409d (AS51468) www.cognitus.dk: 46.30.215.99 2a02:2350:5:111:801b:d63d:26cf:409d (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | E7531AB55E1935413AA5EC5366CF909D… |
| SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com | DANE-EE · SPKI · SHA-256 | E7531AB55E1935413AA5EC5366CF909D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100601 |
| 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 | ONE.COM A/S |
| Registered | 2007-09-06 |
| Expires | 2027-09-30 (345d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 14:29:27 shown | 707ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 13:03:12 | 609ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 01:10:41 | 723ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-12 10:09:53 | 714ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-06 00:31:23 | 720ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 20:06:53 | 833ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-24 20:57:06 | 2266ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-12 09:59:10 | 8860ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-08 13:23:12 | 930ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 08:00:55 | 796ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-25 09:22:30 | 691ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 15:06:52 | 638ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 08:26:09 | 986ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 21:46:01 | 441ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 21:41:10 | 828ms | 2 NS 1 A 3 MX | 🔒 Secure |