checkademia.dk
Last scanned: 2026-06-19 15:57:51  ·  2302ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   314ms
NameserverIP addressesPTRASN / ISP
cns1.alfahosting.info 109.237.142.8
2a01:64c0:0:5000::8		 cns1.cloudpit.de
cns1.cloudpit.de		 AS45012 dogado GmbH
AS45012 dogado GmbH
cns2.alfahosting.info 148.251.254.105
2a01:4f8:2b02:a88::105		 cns2.cloudpit.com
cns2.cloudpit.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
cns3.alfahosting.info 109.237.143.8
2a02:2b80:101:5000::8		 cns3.cloudpit.io
cns3.cloudpit.io		 AS45012 dogado GmbH
AS45012 dogado GmbH
🌍 A Records1 records   263ms
IPTTLPTRASNISP / OrgCIDRCountryCity
0.0.0.0 10800s — — — — — —
📧 MX Records1 records   302ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mail.checkademia.dk 0.0.0.0 — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover0.0.0.0
🔶 Autoconfig0.0.0.0
🔷 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)
🔐 DNSSEC421ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA289ms
FieldValue
Serial2022021702
Primary NS (MNAME)cns1.alfahosting.info
Responsible (RNAME)hostmaster\@alfahosting@de
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)10800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
314ms
A
263ms
MX
302ms
AAAA
243ms
TXT
712ms
CAA
304ms
HTTPS
264ms
TLSA
269ms
SOA
289ms
MTA-STS
248ms
DNSSEC
421ms
SRV
341ms
Total
2302ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-19 15:57:51 2302ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 20:26:04 686ms 3 NS 1 A 1 MX ❓ Unknown View
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