istqb.dk
Last scanned: 2026-07-02 13:05:40  ·  2922ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   142ms
NameserverIP addressesPTRASN / ISP
one.cloudns.dk 35.205.227.236 236.227.205.35.bc.googleusercontent.com AS396982 Google LLC
three.cloudns.dk 152.44.41.1 three.cloudns.dk AS25697 UpCloud USA Inc
two.cloudns.dk 94.237.87.121 two.cloudns.dk AS202053 UpCloud Ltd
🌍 A Records4 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
198.185.159.144 3600s — AS53831 Squarespace, Inc. 198.185.159.0/24 🇺🇸 United States New York
198.185.159.145 3600s — AS53831 Squarespace, Inc. 198.185.159.0/24 🇺🇸 United States —
198.49.23.144 3600s — AS53831 Squarespace, Inc. 198.49.23.0/24 🇺🇸 United States —
198.49.23.145 3600s — AS53831 Squarespace, Inc. 198.49.23.0/24 🇺🇸 United States —
📧 MX Records1 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.istqb.dk 57.129.84.98 rs6-fra.serverhostgroup.com AS16276 OVH SAS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   498ms
TXT Record
v=spf1 a mx ip4:57.129.84.98 include:relay.mailchannels.net include:_spf.google.com include:spf.protection.outlook.com ~all
✉️ SPF
PolicyRecord (istqb.dk)
~all (soft fail) v=spf1 a mx ip4:57.129.84.98 include:relay.mailchannels.net include:_spf.google.com 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)
🔐 DNSSEC2052ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA43ms
FieldValue
Serial2025021802
Primary NS (MNAME)one.cloudns.dk
Responsible (RNAME)hostmaster@cloudns.dk
Refresh10800s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
142ms
A
51ms
MX
50ms
AAAA
50ms
TXT
498ms
CAA
149ms
HTTPS
57ms
TLSA
127ms
SOA
43ms
MTA-STS
164ms
DNSSEC
2052ms
SRV
230ms
Total
2922ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-02 13:05:40 2922ms 3 NS 4 A 1 MX 🔓 Insecure View
2026-06-23 01:58:07 939ms 3 NS 4 A 1 MX 🔓 Insecure View
2026-06-22 23:30:08 7267ms 3 NS 4 A 1 MX 🔓 Insecure View
2026-06-22 06:27:27 1171ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 19:09:01 951ms 3 NS 4 A 1 MX 🔓 Insecure View
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