sfuc.dk
Last scanned: 2026-08-27 23:06:15  ·  1169ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   65ms
🌍 A Records4 records   47ms
📧 MX Records1 records   74ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   67ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records2 records   159ms
TXT Record
Ph26isEPm
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (sfuc.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC90ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2022101001
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
65ms
A
47ms
MX
74ms
AAAA
51ms
TXT
159ms
CAA
38ms
HTTPS
66ms
TLSA
332ms
SOA
0ms
MTA-STS
84ms
DNSSEC
90ms
SRV
67ms
Total
1169ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 23:06:15 1169ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-26 16:08:51 3016ms 2 NS 4 A 1 MX 🔒 Secure View
2026-06-18 05:21:42 2870ms 2 NS 4 A 1 MX 🔒 Secure View
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