kalus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 November 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.220.23.106 is hosted by Iomart Cloud Services Limited (AS20860) in United Kingdom. Mail is handled by mail.kalus.dk. 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 |
|---|---|---|---|---|---|---|---|
| 37.220.23.106 | 1800s | kalus.dk | AS20860 | Iomart Cloud Services Limited | 37.220.0.0/19 | 🇬🇧 United Kingdom | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.kalus.dk | 37.220.23.106 | kalus.dk | AS20860 Iomart Cloud Services Limited |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 37.220.23.106 |
| 🔶 Autoconfig | 37.220.23.106 |
| TXT Record |
|---|
| MS=ms43446987 |
| v=spf1 mx ip6:2A02:2658:1020::2/64 a:kalus.dk include:spf.justlinux.dk -all |
| Policy | Record (kalus.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip6:2A02:2658:1020::2/64 a:kalus.dk include:spf.justlinux.dk -all |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071201 |
| 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 | 2001-11-12 |
| Expires | 2026-12-31 (64d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 21:22:48 | 568ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 19:10:10 | 1632ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 17:14:28 | 568ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 07:25:43 | 521ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 22:42:05 | 2355ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 13:41:23 | 1090ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 10:07:55 | 1845ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 19:23:52 | 769ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 18:29:54 | 1547ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 07:15:32 shown | 1038ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 18:41:51 | 4913ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 11:24:11 | 703ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 13:56:11 | 1648ms | 2 NS 1 A 1 MX | 🔒 Secure |