synref.dk
Last scanned: 2026-08-27 12:15:33  ·  2449ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
🌍 A Records1 records   43ms
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   345ms
TXT Record
_10sj1fv26zmfly9nqek8rtwmn32t2kx
_ua96pld72gzut5gfv3pdt40numie908
v=spf1 include:sparkpostmail.com -all
✉️ SPF
PolicyRecord (synref.dk)
-all (hard fail) v=spf1 include:sparkpostmail.com -all
📨 DMARC
PolicyRecord (_dmarc.synref.dk)
p=reject v=DMARC1;p=reject;sp=reject;rua=mailto:gadio9eh@ag.eu.dmarcadvisor.com;ruf=mailto:gadio9eh@fr.eu.dmarcadvisor.com;fo=1
📬 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)
🔐 DNSSEC2072ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2383
Primary NS (MNAME)svrdc202v002.regsj.intern
Responsible (RNAME)hostmaster@regsj.dk
Refresh900s
Retry90s
Expire86400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
41ms
A
43ms
MX
47ms
AAAA
52ms
TXT
345ms
CAA
34ms
HTTPS
55ms
TLSA
78ms
SOA
0ms
MTA-STS
113ms
DNSSEC
2072ms
SRV
112ms
Total
2449ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 12:15:33 2449ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 03:02:46 2511ms 2 NS 1 A 0 MX 🔓 Insecure View
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