joinup.dk is a .dk domain served by 2 nameservers (ed.ns.cloudflare.com, rafe.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.161.42.61 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx.simply.com. The zone is of unknown DNSSEC status, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 93.161.42.61 | 600s | 93-161-42-61-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 93.160.0.0/14 | 🇩🇰 Denmark | Hvidovre |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | 104.21.15.129 |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (joinup.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| www | 93.161.42.61 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'joinup.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2406452733 |
| Primary NS (MNAME) | ed.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 20:26:01 | 452ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 15:40:20 | 2164ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 02:50:48 | 585ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 02:19:35 | 1223ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 00:29:52 | 9004ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-15 21:38:56 | 2730ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-07 03:45:56 | 2748ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 13:09:30 | 1546ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 23:36:12 | 964ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 05:51:40 shown | 731ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-20 12:37:35 | 491ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:56:04 | 1143ms | 2 NS 1 A 1 MX | 🔓 Insecure |