ffmail.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 August 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.95.241.11 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by .. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.95.241.11 | 3600s | dcms-d550.aar0.dk.hostnordic.com | AS48854 | team.blue Denmark A/S | 81.95.240.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 include:_spf25760.spfprotect.com -all |
| Policy | Record (ffmail.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf25760.spfprotect.com -all |
| Policy | Record (_dmarc.ffmail.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:65c0cb4494890@dmarc-dk.centerasecurity.com; |
| www CNAME | ffskagen.net.dynamicweb.dk (all on dynamicweb.dk) → 81.95.241.11 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2000-08-15 |
| Expires | 2027-09-30 (346d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 15:06:36 | 482ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 06:48:52 | 425ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 06:18:12 | 624ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 05:18:17 shown | 563ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 11:45:13 | 978ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-25 17:26:51 | 826ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-10 00:15:48 | 8137ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 00:27:54 | 746ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 09:33:07 | 977ms | 2 NS 1 A 4 MX | 🔒 Secure |