postkassehotel.dk
Last scanned: 2026-06-26 04:24:01  ·  829ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   38ms
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
🌍 A Records1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
174.138.15.41 3600s 1583260.cloudwaysapps.com AS14061 DigitalOcean, LLC 174.138.0.0/17 🇳🇱 The Netherlands Amsterdam
📧 MX Records1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   105ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   190ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (postkassehotel.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.postkassehotel.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 / DANE2 records   130ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA43ms
FieldValue
Serial2026052601
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
38ms
A
43ms
MX
43ms
AAAA
82ms
TXT
190ms
CAA
95ms
HTTPS
43ms
TLSA
130ms
SOA
43ms
MTA-STS
43ms
DNSSEC
98ms
SRV
105ms
Total
829ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 04:24:01 829ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-23 18:08:53 2835ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-23 07:28:39 929ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 06:23:20 516ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-19 14:23:43 2699ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 23:23:42 592ms 3 NS 1 A 1 MX 🔒 Secure View
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