kontorhotel.dk is a .dk domain served by 2 nameservers (jo.ns.cloudflare.com, miles.ns.cloudflare.com). It was registered on 29 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.23.182 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.23.182 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.212.121 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | 172.67.212.121 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:17b6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3030::ac43:d479 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.23.182,172.67.212.121 ech=AEX+DQBBNwAgACANG785NbYxf2vAoHiUugO7PDLchnWNz2f+95epg2DJewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:17b6,2606:4700:3030::ac43:d479 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| google-site-verification=km-OtY_4f1_sVZUWDRKoESvuR7a36u8ogdGiHOCF-cM |
| www | 104.21.23.182 172.67.212.121 2606:4700:3030::6815:17b6 2606:4700:3030::ac43:d479 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network kontorhotel.dk: 104.21.23.182 172.67.212.121 2606:4700:3030::6815:17b6 2606:4700:3030::ac43:d479 (AS13335) www.kontorhotel.dk: 104.21.23.182 172.67.212.121 2606:4700:3030::6815:17b6 2606:4700:3030::ac43:d479 (AS13335) |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2412873918 |
| Primary NS (MNAME) | jo.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-10-29 |
| Expires | 2027-12-31 (430d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 19:26:14 | 482ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 20:55:36 | 1399ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 19:42:35 shown | 628ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 07:13:09 | 436ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-22 11:01:55 | 1757ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 23:09:06 | 3482ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-28 00:25:46 | 843ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 10:30:24 | 1462ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 00:36:15 | 2746ms | 2 NS 2 A 1 MX | 🔓 Insecure |