libresense.dk
📜 Historical scan 2026-06-23 15:10:40  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   274ms
🌍 A Records
🌍
No A records found
📧 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 Records1 records   1576ms
TXT Record
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
✉️ SPF
PolicyRecord (libresense.dk)
~all (soft fail) v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📨 DMARC
PolicyRecord (_dmarc.libresense.dk)
p=reject v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
📬 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)
🔐 DNSSEC552ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA569ms
FieldValue
Serial16
Primary NS (MNAME)rossns.abbott.com
Responsible (RNAME)dnsdomainadminstrator@sjm.com
Refresh10800s
Retry3600s
Expire2592000s
Minimum (neg-cache TTL)60s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
274ms
A
400ms
MX
533ms
AAAA
425ms
TXT
1576ms
CAA
765ms
HTTPS
540ms
TLSA
653ms
SOA
569ms
MTA-STS
494ms
DNSSEC
552ms
SRV
1185ms
Total
2420ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-23 19:42:03 1529ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-23 15:10:40 2420ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-20 04:21:28 2826ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-18 04:19:55 1952ms 2 NS 0 A 0 MX 🔓 Insecure View
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