chromebook.dk
Last scanned: 2026-08-28 03:28:07  ·  809ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   62ms
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 Records1 records   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
57.129.84.98 3600s rs6-fra.serverhostgroup.com AS16276 OVH SAS 57.128.0.0/15 🇩🇪 Germany Frankfurt am Main
📧 MX Records1 records   59ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.chromebook.dk 57.129.84.98 rs6-fra.serverhostgroup.com AS16276 OVH SAS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover57.129.84.98
🔶 Autoconfig57.129.84.98
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   338ms
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 (chromebook.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)
🔐 DNSSEC99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
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
62ms
A
54ms
MX
59ms
AAAA
170ms
TXT
338ms
CAA
70ms
HTTPS
66ms
TLSA
125ms
SOA
0ms
MTA-STS
183ms
DNSSEC
99ms
SRV
225ms
Total
809ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 03:28:07 809ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-30 05:18:09 1198ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 18:34:42 839ms 3 NS 0 A 1 MX 🔓 Insecure View
2026-06-21 00:19:52 794ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 20:45:35 574ms 3 NS 1 A 1 MX 🔓 Insecure View
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