findnu.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.102 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 93.191.156.102 | 3600s | linux223.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.191.156.102 |
| 🔶 Autoconfig | 93.191.156.102 |
| TXT Record |
|---|
| google-site-verification=SYmv1x4InO-k3HitmGX1EjX-OrClC1z5akcAypith4s |
| protonmail-verification=736a63c68651737a39aee8be370d8208bd44516f |
| v=spf1 include:_spf.google.com include:_spf.protonmail.ch ~all |
| Policy | Record (findnu.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.findnu.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc-r@findnu.dk; ruf=mailto:dmarc-failures@findnu.dk |
| www | 93.191.156.102 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 06:24:42 shown | 785ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 18:42:57 | 836ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-08 20:26:52 | 1552ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 00:31:30 | 609ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:47:49 | 4608ms | 3 NS 1 A 1 MX | 🔒 Secure |