froop.dk is a .dk domain served by 2 nameservers (alice.ns.cloudflare.com, derek.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.simplelogin.co, mx2.simplelogin.co. The zone is DNSSEC-signed and validates, publishes a 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.
| TXT Record |
|---|
| v=spf1 include:simplelogin.co -all |
| Policy | Record (froop.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:simplelogin.co -all |
| Policy | Record (_dmarc.froop.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s |
| www | Exists, no address |
| www vs bare domain | Neither resolves froop.dk: no address www.froop.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | dkim._domainkey.simplelogin.co | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.simplelogin.co | DANE-EE · SPKI · SHA-256 | 6B56DC55058100C47BEF4BB8020D2A24… |
| SMTP _25._tcp.mx1.simplelogin.co | DANE-TA · SPKI · SHA-256 | 8D02536C887482BC34FF54E41D2BA659… |
| SMTP _25._tcp.mx1.simplelogin.co | DANE-TA · SPKI · SHA-256 | E5545E211347241891C554A03934CDE9… |
| SMTP _25._tcp.mx2.simplelogin.co | DANE-TA · SPKI · SHA-256 | 8D02536C887482BC34FF54E41D2BA659… |
| SMTP _25._tcp.mx2.simplelogin.co | DANE-TA · SPKI · SHA-256 | E5545E211347241891C554A03934CDE9… |
| SMTP _25._tcp.mx2.simplelogin.co | DANE-EE · SPKI · SHA-256 | 6B56DC55058100C47BEF4BB8020D2A24… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2415964367 |
| Primary NS (MNAME) | alice.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 06:35:16 | 2387ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-28 04:59:36 shown | 753ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-20 14:25:43 | 994ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-07 00:35:27 | 1682ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-30 21:46:55 | 636ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-27 00:00:14 | 697ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-06 02:12:04 | 1779ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-09 23:18:38 | 10112ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-25 12:47:48 | 910ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-22 02:38:44 | 1155ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 16:48:57 | 923ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 08:46:32 | 796ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-17 10:06:43 | 5203ms | 2 NS 0 A 2 MX | 🔒 Secure |