castagency.dk
Last scanned: 2026-07-24 07:35:21  ·  1048ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   68ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   59ms
IPTTLPTRASNISP / OrgCIDRCountryCity
161.97.112.239 1074s mail.castagency.dk AS51167 Contabo GmbH 161.97.64.0/18 🇫🇷 France Lauterbourg
📧 MX Records1 records   80ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.castagency.dk 161.97.112.239 mail.castagency.dk AS51167 Contabo GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover161.97.112.239
🔶 Autoconfig161.97.112.239
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   126ms
ServicePriorityWeightPortTarget
_imaps._tcp 0 0 993 castagency.dk
📝 TXT Records3 records   282ms
TXT Record
brevo-code:ab9b2e13c7bb3fe8218149cb39900646
google-site-verification=hg80imxGQq_ANuX1O86vQk2w53Vq4pmzrPWaH9E0uD0
v=spf1 include:_spf.mailersend.net include:spf.simply.com ip4:161.97.112.239 -all
✉️ SPF
PolicyRecord (castagency.dk)
-all (hard fail) v=spf1 include:_spf.mailersend.net include:spf.simply.com ip4:161.97.112.239 -all
📨 DMARC
PolicyRecord (_dmarc.castagency.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC187ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026072304
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 RegistrationWHOIS fetched 2026-07-24 07:35:50
FieldValue
RegistrarSimply.com A/S
Registered2022-06-09
Expires2027-06-08 (278d)
📋 WHOIS
⏱️ Lookup Timing
NS
68ms
A
59ms
MX
80ms
AAAA
80ms
TXT
282ms
CAA
85ms
HTTPS
75ms
TLSA
149ms
SOA
0ms
MTA-STS
132ms
DNSSEC
187ms
SRV
126ms
Total
1048ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-24 07:35:21 1048ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-15 22:31:25 1540ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-02 00:45:32 663ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 19:42:36 613ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 19:40:59 595ms 4 NS 1 A 1 MX 🔒 Secure View
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