bookstudenterkoersel.dk
📜 Historical scan 2026-06-16 16:08:59  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   442ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
ns4.simply.com — — —
🌍 A Records1 records   437ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.100 — dnsforward.simply.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 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 Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC632ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA434ms
FieldValue
Serial2022042501
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
442ms
A
437ms
MX
478ms
AAAA
405ms
TXT
620ms
CAA
400ms
HTTPS
458ms
TLSA
366ms
SOA
434ms
MTA-STS
461ms
DNSSEC
632ms
SRV
0ms
Total
2164ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 01:55:07 421ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-23 01:42:49 511ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-16 16:08:59 2164ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-16 16:08:15 1063ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-16 16:06:26 299ms 4 NS 1 A 0 MX ⚠️ Bogus View
2026-06-16 16:00:51 346ms 4 NS 1 A 0 MX 🔒 Secure View
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