ffd.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.88.5.125 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by d331277.a.ess.de.barracudanetworks.com, d331277.b.ess.de.barracudanetworks.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 23.88.5.125 | 3600s | static.125.5.88.23.clients.your-server.de | AS24940 | Hetzner Online GmbH | 23.88.0.0/17 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | ffd.dk → 23.88.5.125 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:272:3c81::2 | 3600s | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| facebook-domain-verification=eks96ysimf1429bbb3t0prflgg1gdj |
| google-site-verification=RWnhixW4Uo1_ym-QV3CPRUvqhGHY9RNwoxvQSuD-MYk |
| v=spf1 ip4:152.115.161.22 ip4:52.157.213.82 ip4:213.150.48.29 ip4:138.201.83.113 include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.dandomain.dk include:spf.ess.de.barracudanetworks.com include:web.shared.mysmtp.com -all |
| Policy | Record (ffd.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:152.115.161.22 ip4:52.157.213.82 ip4:213.150.48.29 ip4:138.201.83.113 include:spf.protection.outlook.com include:spf.mailanyone.net include:spf.dandomain.dk include:spf.ess.de.barracudanetworks.com include:web.shared.mysmtp.com -all |
| Policy | Record (_dmarc.ffd.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 23.88.5.125 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 10/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.ffd.dk | ffd.dk |
| TXT | ffd.dk | facebook-domain-verification=eks96ysimf1429bbb3t0prflgg1gdj |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101501 |
| 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 | Punktum dk A/S (direct) |
| Registered | 1997-11-06 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 03:30:49 shown | 707ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 13:08:53 | 2696ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 14:01:13 | 827ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-18 19:42:15 | 4946ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 08:32:49 | 5353ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 09:59:00 | 1888ms | 2 NS 1 A 2 MX | 🔒 Secure |