kasper.dk
Last scanned: 2026-07-03 00:49:38  ·  1592ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   48ms
NameserverIP addressesPTRASN / ISP
dns1.p08.nsone.net 198.51.44.8
2620:4d:4000:6259:7:8:0:1		 dns1.p08.nsone.net
ns8.demysdns.com		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns2.p08.nsone.net 198.51.45.8
2a00:edc0:6259:7:8::2		 dns2.p08.nsone.net
dns2.p08.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns3.p08.nsone.net 198.51.44.72
2620:4d:4000:6259:7:8:0:3		 dns3.p08.nsone.net
dns3.p08.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns4.p08.nsone.net 198.51.45.72
2a00:edc0:6259:7:8::4		 dns4.p08.nsone.net
dns4.p08.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
🌍 A Records2 records   74ms
IPTTLPTRASNISP / OrgCIDRCountryCity
35.157.26.135 120s ec2-35-157-26-135.eu-central-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 35.156.0.0/14 🇩🇪 Germany Frankfurt am Main
63.176.8.218 120s ec2-63-176-8-218.eu-central-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 63.176.0.0/12 🇩🇪 Germany Frankfurt am Main
📧 MX Records2 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 3600s mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   266ms
TXT Record
protonmail-verification=d73798b56004c279b2aa44f9309f7da0bca7bca4
v=spf1 include:_spf.protonmail.ch ~all
v=spf1 include:spf.improvmx.com ~all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (kasper.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
~all (soft fail) v=spf1 include:spf.improvmx.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 / DANE4 records   82ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
🔐 DNSSEC109ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA82ms
FieldValue
Serial1660502059
Primary NS (MNAME)dns1.p08.nsone.net
Responsible (RNAME)domains+netlify@netlify.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
48ms
A
74ms
MX
42ms
AAAA
42ms
TXT
266ms
CAA
42ms
HTTPS
45ms
TLSA
82ms
SOA
82ms
MTA-STS
106ms
DNSSEC
109ms
SRV
112ms
Total
1592ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-03 00:49:38 1592ms 4 NS 2 A 2 MX 🔓 Insecure View
2026-06-18 03:38:04 1492ms 4 NS 2 A 2 MX 🔓 Insecure View
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