udbudsleads.dk is a .dk domain served by 2 nameservers (curt.ns.cloudflare.com, nelci.ns.cloudflare.com). It was registered on 3 October 2026 (WHOIS) and first appeared in the .dk zone on 4 October 2026. Its website address 104.21.4.149 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.4.149 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.154.49 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:9a31 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:495 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.4.149,172.67.154.49 ech=AEX+DQBBEAAgACAgZuF7RB3K25x3aEq9V8I4d46VUZ4Br2zt0/LTxBmkdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9a31,2606:4700:3035::6815:495 |
| www | 104.21.4.149 172.67.154.49 2606:4700:3032::ac43:9a31 2606:4700:3035::6815:495 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network udbudsleads.dk: 104.21.4.149 172.67.154.49 2606:4700:3032::ac43:9a31 2606:4700:3035::6815:495 (AS13335) www.udbudsleads.dk: 104.21.4.149 172.67.154.49 2606:4700:3032::ac43:9a31 2606:4700:3035::6815:495 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2416881633 |
| Primary NS (MNAME) | curt.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 | 2026-10-03 |
| Expires | 2027-10-02 (349d) |
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).
| Domain | Registrar |
|---|---|
| agentaccess.dk | Simply.com A/S |
| ejendomsdatalisten.dk | Simply.com A/S |
| rume.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 16:44:43 shown | 3411ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-07 16:38:12 | 546ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-07 11:51:46 | 1625ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-04 08:33:07 | 543ms | 3 NS 1 A 0 MX | 🔒 Secure |