4pack.dk
📜 Historical scan 2026-06-16 12:41:41  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   58ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
🌍 A Records1 records   67ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.9 — nt21.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records2 records   61ms
PriorityTTLMail ServerIP addressesPTRASN
10 — 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 — 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   152ms
TXT Record
protonmail-verification=97c54c1988c5c3e0a84a842451cc5f5790eea792
v=spf1 include:_spf.protonmail.ch ~all
v=spf1 include:spf.simply.com -all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (4pack.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.4pack.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
📬 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   62ms
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 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
🔐 DNSSEC175ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA67ms
FieldValue
Serial2026011605
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
58ms
A
67ms
MX
61ms
AAAA
55ms
TXT
152ms
CAA
68ms
HTTPS
67ms
TLSA
62ms
SOA
67ms
MTA-STS
36ms
DNSSEC
175ms
SRV
0ms
Total
908ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 09:37:12 687ms 3 NS 1 A 2 MX 🔒 Secure View
2026-08-26 03:05:23 782ms 3 NS 1 A 2 MX 🔒 Secure View
2026-07-02 00:15:51 737ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-16 12:41:41 908ms 3 NS 1 A 2 MX 🔒 Secure View
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