kejsdiving.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 6 April 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.128.84 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.head9x.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 89.150.128.84 | 600s | x59968054.customers.hiper-net.dk | AS203953 | Hiper A/S | 89.150.128.0/18 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.head9x.dk | 157.180.39.122 2a01:4f9:c013:508::1 |
mail.head9x.dk mail.head9x.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.head9x.dk → 157.180.39.122 |
| 🔶 Autoconfig | mail.head9x.dk → 157.180.39.122 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | mail.head9x.dk |
| TXT Record |
|---|
| v=spf1 include:head9x.dk -all |
| Policy | Record (kejsdiving.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:head9x.dk -all |
| Policy | Record (_dmarc.kejsdiving.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@head9x.dk; ruf=mailto:dmarc@head9x.dk; adkim=r; aspf=r |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.head9x.dk | DANE-EE · SPKI · SHA-256 | C905F646DC74460886D9387A2856E872… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2024-04-06 |
| Expires | 2027-04-05 (166d) |
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).
| Domain | Registrar |
|---|---|
| head9x.dk | Simply.com A/S |
| opkræw.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 23:20:50 shown | 1165ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 07:17:39 | 795ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 07:02:27 | 1162ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 01:45:19 | 667ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 03:33:54 | 729ms | 3 NS 1 A 1 MX | 🔒 Secure |