stffn.dk
Last scanned: 2026-06-25 02:36:31  ·  1023ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   100ms
NameserverIP addressesPTRASN / ISP
dns1.p01.nsone.net 198.51.44.1
2620:4d:4000:6259:7:1:0:1		 dns1.p01.nsone.net
—		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns2.p01.nsone.net 198.51.45.1
2a00:edc0:6259:7:1::2		 dns2.p01.nsone.net
—		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns3.p01.nsone.net 198.51.44.65
2620:4d:4000:6259:7:1:0:3		 dns3.p01.nsone.net
dns3.p01.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns4.p01.nsone.net 198.51.45.65
2a00:edc0:6259:7:1::4		 dns4.p01.nsone.net
—		 AS62597 NSONE Inc
AS62597 NSONE Inc
🌍 A Records2 records   59ms
IPTTLPTRASNISP / OrgCIDRCountryCity
35.157.26.135 600s 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 600s 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   46ms
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)2 records   45ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a05:d014:58f:6200::258 600s — AS16509 Amazon.com, Inc. 2a05:d000:0:0:0:0:0:0/25 🇩🇪 Germany Frankfurt am Main
2a05:d014:58f:6200::259 600s — AS16509 Amazon.com, Inc. 2a05:d000:0:0:0:0:0:0/25 🇩🇪 Germany Frankfurt am Main
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   211ms
TXT Record
protonmail-verification=a5db4f2f27f2c5b998d84160bcb0be11bbb32502
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (stffn.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.stffn.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   198ms
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…
🔐 DNSSEC99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA111ms
FieldValue
Serial1700342920
Primary NS (MNAME)dns1.p01.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
100ms
A
59ms
MX
46ms
AAAA
45ms
TXT
211ms
CAA
61ms
HTTPS
50ms
TLSA
198ms
SOA
111ms
MTA-STS
56ms
DNSSEC
99ms
SRV
81ms
Total
1023ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 02:36:31 1023ms 4 NS 2 A 2 MX 🔓 Insecure View
2026-06-21 22:47:32 710ms 4 NS 2 A 2 MX 🔓 Insecure View
2026-06-17 13:10:23 3540ms 4 NS 2 A 2 MX ⚠️ Bogus View
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