arnstroem.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 77.111.241.107 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by arnstroem-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.107 | 3600s | webcluster2.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | 77.111.241.107 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:805f:2889:3fa1:1c42 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| facebook-domain-verification=rx71cv8qu6njnnojrb4ldimlg50grp |
| google-site-verification=E8aCWe3spUdJl5Z_m2EZAkUcNgA7Wvm2f5JDsdATk2A |
| google-site-verification=OYye7H2-dw-HOqnREOfiBj7Q1SrqCmuRJJWxk4kQ8mE |
| MS=ms61607002 |
| v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all |
| Policy | Record (arnstroem.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all |
| Policy | Record (_dmarc.arnstroem.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:info@arnstroem.dk |
| www | 77.111.241.107 2a02:2350:5:104:805f:2889:3fa1:1c42 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network arnstroem.dk: 77.111.241.107 2a02:2350:5:104:805f:2889:3fa1:1c42 (AS51468) www.arnstroem.dk: 77.111.241.107 2a02:2350:5:104:805f:2889:3fa1:1c42 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2026082305 |
| 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 |
|---|---|---|---|
| 2026-08-25 00:13:06 shown | 8675ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 23:08:34 | 3622ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 17:41:28 | 1419ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 13:51:23 | 1123ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:40:18 | 4822ms | 2 NS 1 A 1 MX | 🔒 Secure |