arendse.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.surveylink.net. 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.surveylink.net | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 37.220.23.106 |
| 🔶 Autoconfig | 37.220.23.106 |
| TXT Record |
|---|
| v=spf1 mx ip6:2A02:2658:1020::2/64 a:kalus.dk include:_spf.google.com include:redstationmail.co.uk -all |
| Policy | Record (arendse.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip6:2A02:2658:1020::2/64 a:kalus.dk include:_spf.google.com include:redstationmail.co.uk -all |
| www | 37.220.23.106 (AS20860) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · 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 | 2026062101 |
| 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) |
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 |
|---|---|---|---|
| 2026-10-24 03:26:34 | 560ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 03:07:26 | 598ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 08:40:40 | 1237ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 13:32:49 | 5490ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 05:19:00 | 7720ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 09:20:58 | 971ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 03:37:38 | 818ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 03:38:06 shown | 722ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 08:07:36 | 1909ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 10:07:37 | 842ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 11:04:00 | 1025ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:39:32 | 727ms | 2 NS 1 A 1 MX | 🔒 Secure |