khoffmann.dk
Last scanned: 2026-06-27 10:16:18  ·  620ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   30ms
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   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.86 3600s linux82.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records1 records   33ms
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
🔷 Autodiscover94.231.103.86
🔶 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   43ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   154ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (khoffmann.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.khoffmann.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   37ms
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…
🔐 DNSSEC58ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA28ms
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
30ms
A
41ms
MX
33ms
AAAA
40ms
TXT
154ms
CAA
27ms
HTTPS
40ms
TLSA
37ms
SOA
28ms
MTA-STS
35ms
DNSSEC
58ms
SRV
43ms
Total
620ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-27 10:16:18 620ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-20 15:21:47 1072ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-20 05:06:47 1241ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-19 21:54:46 1453ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-19 12:24:09 655ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 12:14:59 639ms 3 NS 1 A 1 MX 🔒 Secure View
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