icarkitekter.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 July 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.152 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.152 | 3600s | webcluster25.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:c0:aa87:462e:b618 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| anthropic-domain-verification-e4jwkf=6O5NLHN0bkaPmKFOgw91Olygl |
| openai-domain-verification=10520301 |
| v=spf1 mx a ip4:92.62.193.28 include:spf.protection.outlook.com include:_spf.centerasecurity.dk -all |
| Policy | Record (icarkitekter.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a ip4:92.62.193.28 include:spf.protection.outlook.com include:_spf.centerasecurity.dk -all |
| Policy | Record (_dmarc.icarkitekter.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:postmaster@icarkitekter.dk; ruf=mailto:postmaster@icarkitekter.dk; adkim=r; aspf=r; pct=100; rf=afrf; ri=84600 |
| www | 77.111.240.152 2a02:2350:5:102:c0:aa87:462e:b618 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network icarkitekter.dk: 77.111.240.152 2a02:2350:5:102:c0:aa87:462e:b618 (AS51468) www.icarkitekter.dk: 77.111.240.152 2a02:2350:5:102:c0:aa87:462e:b618 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026102105 |
| 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 | 2007-07-27 |
| Expires | 2027-07-31 (281d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 10:07:29 shown | 501ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-13 17:13:19 | 747ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-08 05:58:42 | 568ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-01 04:21:56 | 871ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-17 18:43:27 | 951ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-22 16:11:42 | 8774ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-13 07:57:11 | 1409ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-13 22:08:38 | 1369ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-08 13:08:38 | 10286ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-29 03:35:31 | 797ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 21:34:58 | 682ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 06:02:51 | 838ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-25 02:44:01 | 775ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 13:52:17 | 3177ms | 2 NS 1 A 3 MX | 🔒 Secure |