ulbk.dk is a .dk domain served by 2 nameservers (carioca.ns.cloudflare.com, roman.ns.cloudflare.com). It was registered on 29 September 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.36.133 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.36.133 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.194.111 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:c26f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:2485 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.36.133,172.67.194.111 ech=AEX+DQBBUwAgACAc+8mkEk8wBqOwWAPqRlfB+cWX1VBYN5cmNifO0DJkaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c26f,2606:4700:3036::6815:2485 |
| www CNAME | gomember2-fkg0ggbxftbtgge7.z03.azurefd.net (all on azurefd.net) |
| www vs bare domain | Different networks ulbk.dk: 104.21.36.133 172.67.194.111 2606:4700:3030::ac43:c26f 2606:4700:3036::6815:2485 (AS13335) (all like this)www.ulbk.dk: 150.171.109.193 2603:1061:14:c1::1 (AS8075) |
| Wildcard | No |
| 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 | 2407622714 |
| Primary NS (MNAME) | carioca.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DNS Platform ApS |
| Registered | 2004-09-29 |
| Expires | 2027-09-30 (346d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 21:26:58 | 403ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-16 12:19:54 | 1921ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-09 23:15:24 | 9053ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-19 11:24:51 | 932ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-02 13:24:23 shown | 2838ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 08:45:34 | 1060ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-17 18:38:08 | 3987ms | 2 NS 2 A 0 MX | 🔓 Insecure |