ubup.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, owen.ns.cloudflare.com). It was registered on 28 November 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.78.156 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.78.156 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.223.126 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:df7e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:4e9c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.78.156,172.67.223.126 ech=AEX+DQBBZAAgACADsdGPD6+4DHxTLBvzdNIn6bXXAgzGXKASguP1Nzz9AQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:df7e,2606:4700:3037::6815:4e9c |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (ubup.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.ubup.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www | 104.21.78.156 172.67.223.126 2606:4700:3035::ac43:df7e 2606:4700:3037::6815:4e9c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 2413858099 |
| Primary NS (MNAME) | cortney.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 2012-11-28 |
| Expires | 2026-11-30 (39d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 10:18:46 | 582ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-12 09:42:17 | 441ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-11 08:15:04 | 1101ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-07 06:41:14 shown | 1610ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 18:24:54 | 657ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-13 05:15:12 | 5611ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-05 21:35:37 | 1016ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 16:58:01 | 983ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 14:46:08 | 1553ms | 2 NS 2 A 0 MX | 🔓 Insecure |