2033.dk is a .dk domain served by 2 nameservers (isaac.ns.cloudflare.com, june.ns.cloudflare.com). It was registered on 19 October 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.74.252 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by webhotel29.webhosting.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.74.252 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.209.76 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | webhotel29.webhosting.dk | 157.250.160.49 | webhotel29.webhosting.dk | AS3342 Cibicom A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.74.252 |
| 🔶 Autoconfig | 104.21.74.252 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:d14c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:4afc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.74.252,172.67.209.76 ech=AEX+DQBBhwAgACDYKYgJHc0wlNsTqOvfbb09938nrswzyTv1eSNrq/wofgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d14c,2606:4700:3033::6815:4afc |
| www | 104.21.74.252 172.67.209.76 2606:4700:3032::ac43:d14c 2606:4700:3033::6815:4afc (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.2033.dk | 8qx7rGOBr1e_hVH0USiz0vgC5ku_rndAdef_thV-Pnw |
| TXT | _acme-challenge.2033.dk | xDn0VZHLt71unPy4sgg9Tczf9PK264b1Pw4_haQnVsE |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel29.webhosting.dk | DANE-TA · SPKI · SHA-256 | 55ADE8CA0305C103E1438FF1EF2B3DA4… |
| SMTP _25._tcp.webhotel29.webhosting.dk | DANE-EE · SPKI · SHA-256 | 55ADE8CA0305C103E1438FF1EF2B3DA4… |
| 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 | 2417583866 |
| Primary NS (MNAME) | isaac.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2011-10-19 |
| Expires | 2026-10-31 (14d) |
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 |
|---|---|---|---|
| 2026-10-16 19:35:23 shown | 1289ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-14 15:53:52 | 464ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-13 12:48:36 | 643ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 22:58:34 | 649ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 03:35:20 | 857ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-16 23:22:13 | 1250ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 16:44:41 | 2721ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 13:45:35 | 910ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 10:19:37 | 1247ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:24:39 | 9574ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:12:35 | 710ms | 2 NS 2 A 1 MX | 🔓 Insecure |