revisorperdunk.dk
Last scanned: 2026-08-26 13:59:57  ·  984ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   89ms
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   84ms
IPTTLPTRASNISP / OrgCIDRCountryCity
173.249.56.64 3600s vmi187067.contaboserver.net AS51167 Contabo GmbH 173.249.0.0/18 🇫🇷 France Lauterbourg
📧 MX Records2 records   62ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.ithozting.dk 83.91.91.2 mail.ithozting.dk AS3292 TDC Holding A/S
20 3600s backup-mx.ithozting.dk — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover173.249.56.64
🔶 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   107ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   230ms
TXT Record
v=spf1 a mx include:spf.simply.com ~all
✉️ SPF
PolicyRecord (revisorperdunk.dk)
~all (soft fail) v=spf1 a mx include:spf.simply.com ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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)
🔐 DNSSEC150ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2025042300
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
89ms
A
84ms
MX
62ms
AAAA
50ms
TXT
230ms
CAA
64ms
HTTPS
67ms
TLSA
191ms
SOA
0ms
MTA-STS
139ms
DNSSEC
150ms
SRV
107ms
Total
984ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 13:59:57 984ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-28 20:52:16 720ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-18 06:14:44 724ms 4 NS 1 A 2 MX 🔒 Secure View
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