uffenet.dk is a .dk domain served by 2 nameservers (amit.ns.cloudflare.com, sandy.ns.cloudflare.com). It was registered on 9 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.87 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.16.87 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.210.122 | 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 |
|---|---|
| 🔷 Autodiscover | 188.114.97.9 |
| 🔶 Autoconfig | 188.114.97.11 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:d27a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:1057 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.16.87,172.67.210.122 ech=AEX+DQBBGgAgACC+bHDG9yFBCGaS/VgqRjWBukjZ0XqAZEQryWDfi8LrNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d27a,2606:4700:3035::6815:1057 |
| www | 104.21.16.87 172.67.210.122 2606:4700:3031::ac43:d27a 2606:4700:3034::6815:1057 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Service / Owner | Type | Cert association |
|---|---|---|
| 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 | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'uffenet.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2406723224 |
| Primary NS (MNAME) | amit.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 | 2010-02-09 |
| Expires | 2030-02-28 (1228d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 08:58:37 | 429ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-08 08:12:31 | 935ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 02:12:24 | 826ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 15:40:51 | 1263ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-14 15:25:46 | 722ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 03:59:04 | 745ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 06:23:46 | 656ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 23:48:44 | 960ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-11 18:10:14 | 1008ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-03 19:58:31 | 957ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-26 01:33:02 | 935ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 07:34:25 | 582ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 14:07:09 shown | 1076ms | 2 NS 2 A 1 MX | ⚠️ Bogus |
| 2026-06-17 14:38:46 | 1664ms | 2 NS 2 A 1 MX | 🔓 Insecure |