ff.dk
Last scanned: 2026-08-26 10:38:45  ·  770ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   50ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.121.150 3600s — AS47527 DLX A/S 46.30.120.0/21 🇩🇰 Denmark Herning
📧 MX Records1 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s mail.dlx.dk 2a00:1b18:1337:1337::25
46.30.121.240		 mail.dlx.dk
mx01.dlx.dk		 AS47527 DLX A/S
AS47527 DLX A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.30.121.150
🔶 Autoconfig46.30.121.150
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   241ms
TXT Record
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtUMwxOKiVZqti750Ek4otap+IcGfcckZAJZjKfLmZUOIiHg8/jckFda/BLFm4shudqInogpeq7e+5kt2pICdyu5Qi5J6WxFYP6entZiK/eIi9asDbXgzdbDtNy4ePLcDehMmJx5xkf4gBftLdz0qX3CwplmfJZfjkOB4sia2FVtLtMnOr9gG9nl3GdwBeapy23fwrgHxkrlKNqKMVTDScTksFGOCyiP24ly0ESKnZMpwusbb500ExeVqnA6sFITbUO6xYvSUcDCHmPwn48C1ecrG2mD+dvRQSg1KusyvaDlMYD7T0nuMM7tnPUGHYYF4P+2R+tqmPPS/pSBV+JMmywIDAQAB
v=spf1 include:_spf.google.com include:spf.ubivox.com ~all
✉️ SPF
PolicyRecord (ff.dk)
~all (soft fail) v=spf1 include:_spf.google.com include:spf.ubivox.com ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE1 records   68ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.dlx.dk DANE-EE · SPKI · SHA-256 8A39A20EF25C2CA3EBFF4F7CA64B2272…
🔐 DNSSEC125ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026030601
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
50ms
A
35ms
MX
51ms
AAAA
77ms
TXT
241ms
CAA
64ms
HTTPS
34ms
TLSA
68ms
SOA
0ms
MTA-STS
86ms
DNSSEC
125ms
SRV
70ms
Total
770ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 10:38:45 770ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 00:04:18 5025ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 00:12:02 664ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 09:20:40 1116ms 2 NS 1 A 1 MX 🔒 Secure View
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