cff.dk
📜 Historical scan 2026-06-16 20:10:41  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.97.141.159 — web16.curanet.dk AS48854 team.blue Denmark A/S 212.97.140.0/22 🇩🇰 Denmark —
📧 MX Records1 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 — cff-dk.mail.protection.outlook.com 52.101.68.10
52.101.68.12
52.101.68.8
52.101.73.153		 mail-dbbpr03cu00102.inbound.protection.outlook.com
mail-db9pr02cu00204.inbound.protection.outlook.com
mail-du0pr03cu00100.inbound.protection.outlook.com
mail-as8pr05cu00401.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   129ms
TXT Record
ca3-9e254e697d274066b5f32e546d33d1db
MS=ms25304379
v=spf1 mx a include:dedicated.mysmtp.com a:mail.hhdrift.dk include:spf.protection.outlook.com include:rpost.net -all
✉️ SPF
PolicyRecord (cff.dk)
-all (hard fail) v=spf1 mx a include:dedicated.mysmtp.com a:mail.hhdrift.dk include:spf.protection.outlook.com include:rpost.net -all
📨 DMARC
PolicyRecord (_dmarc.cff.dk)
p=none (monitor only) v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:abuse@cff.dk; ruf=mailto:abuse@cff.dk; fo=0; pct=100; ri=86400
📬 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC142ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA47ms
FieldValue
Serial2026033101
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
49ms
A
47ms
MX
48ms
AAAA
45ms
TXT
129ms
CAA
45ms
HTTPS
46ms
TLSA
139ms
SOA
47ms
MTA-STS
51ms
DNSSEC
142ms
SRV
0ms
Total
667ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 11:53:13 856ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 00:44:16 3076ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 00:24:33 950ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 04:01:10 700ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 20:23:12 1333ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 20:10:41 667ms 2 NS 1 A 1 MX 🔒 Secure View
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