cfx.dk
Last scanned: 2026-08-27 06:17:19  ·  930ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   53ms
NameserverIP addressesPTRASN / ISP
helium.ns.hetzner.de 193.47.99.5
2001:67c:192c::add:5		 helium.ns.hetzner.de
helium.ns.hetzner.de		 AS12337 noris network AG
AS12337 noris network AG
hydrogen.ns.hetzner.com 213.133.100.98
2a01:4f8:0:1::add:1098		 hydrogen.ns.hetzner.com
hydrogen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com 2a01:4f8:0:1::add:2992
88.198.229.192		 oxygen.ns.hetzner.com
oxygen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.150.134.228 86400s x599686e4.customers.hiper-net.dk AS203953 Hiper A/S 89.150.128.0/18 🇩🇰 Denmark —
📧 MX Records2 records   64ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s 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 86400s 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
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover89.150.134.228
🔶 Autoconfig89.150.134.228
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   366ms
TXT Record
mistral-domain-verification=9fcc7dba3f0a8eb678bf8948c5c7020c2a11f928
protonmail-verification=0fd0a494cff9b38166cf7c2e134bec2e8ed94957
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (cfx.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.cfx.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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   98ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
🔐 DNSSEC103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082303
Primary NS (MNAME)hydrogen.ns.hetzner.com
Responsible (RNAME)dns@hetzner.com
Refresh86400s
Retry10800s
Expire3600000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
53ms
A
51ms
MX
64ms
AAAA
76ms
TXT
366ms
CAA
72ms
HTTPS
54ms
TLSA
98ms
SOA
0ms
MTA-STS
82ms
DNSSEC
103ms
SRV
131ms
Total
930ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 06:17:19 930ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-08-24 17:35:01 10093ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-26 19:06:16 1404ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 06:52:57 628ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 04:25:43 1482ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 02:06:34 660ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 20:15:51 788ms 3 NS 1 A 2 MX 🔓 Insecure View
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