aggerskov.dk
📜 Historical scan 2026-06-16 12:54:56  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   121ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
ns4.simply.com — — —
🌍 A Records
🌍
No A records found
📧 MX Records2 records   145ms
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   410ms
TXT Record
protonmail-verification=b737170a8ada70003f279ea1f14f202014c853f8
v=spf1 include:_spf.google.com include:spf.simply.com -all
v=spf1 include:_spf.protonmail.ch mx ~all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (aggerskov.dk)
-all (hard fail) v=spf1 include:_spf.google.com include:spf.simply.com -all
~all (soft fail) v=spf1 include:_spf.protonmail.ch mx ~all
📨 DMARC
PolicyRecord (_dmarc.aggerskov.dk)
p=none (monitor only) v=DMARC1; p=none
📬 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   88ms
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…
🔐 DNSSEC366ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA205ms
FieldValue
Serial2023020104
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
121ms
A
190ms
MX
145ms
AAAA
123ms
TXT
410ms
CAA
109ms
HTTPS
277ms
TLSA
88ms
SOA
205ms
MTA-STS
210ms
DNSSEC
366ms
SRV
0ms
Total
2128ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-02 15:15:23 886ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-20 02:19:32 827ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-16 12:59:28 1622ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-16 12:54:56 2128ms 4 NS 0 A 2 MX 🔒 Secure View
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