4arkitekter.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by 4arkitekter-dk.mail.protection.outlook.com, barracuda.kimo.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 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 |
|---|---|---|---|---|---|---|---|
| 216.185.152.151 | 43200s | — | — | — | — | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| TXT Record |
|---|
| MS=ms91186305 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (4arkitekter.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 216.185.152.151 (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · 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 | 2026101001 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2003-03-07 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 04:16:53 shown | 18021ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 23:44:42 | 4627ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 23:28:15 | 1535ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 23:09:38 | 1057ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-28 04:57:07 | 813ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-03 17:13:11 | 781ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 23:22:07 | 1035ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 22:52:01 | 2172ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 19:53:35 | 1130ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 02:29:54 | 1055ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 12:38:27 | 1322ms | 2 NS 1 A 2 MX | 🔒 Secure |