passnu.dk is a .dk domain served by 2 nameservers (melinda.ns.cloudflare.com, rene.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 199.36.158.100 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by route2.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 199.36.158.100 | 300s | — | AS54113 | Fastly, Inc. | 199.36.158.0/24 | 🇺🇸 United States | — |
| TXT Record |
|---|
| google-site-verification=0t38V-906B5r5XJCNl_bZhRQZwp_4bi7E-4zDb-J4fE |
| hosting-site=proveklar |
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (passnu.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.passnu.dk | 45zcSHq0kJKLWTsVB468_NsxW3fwMVgkvXNr1dzR0x0 |
| TXT | _acme-challenge.passnu.dk | wJzLETlMChfi3aQGnrCQwZ1tKzMVeYYX9S9wQxx1lTc |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| 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 | 2415437240 |
| Primary NS (MNAME) | melinda.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 07:05:22 | 1263ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 12:14:40 | 990ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-22 07:51:38 shown | 1619ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-21 18:37:36 | 12301ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-24 06:51:38 | 3479ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 22:53:36 | 5473ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 20:06:18 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 22:01:06 | 1422ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 23:31:23 | 1182ms | 2 NS 1 A 3 MX | 🔓 Insecure |