terdura.dk
Last scanned: 2026-06-28 02:38:05  ·  1771ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   191ms
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   170ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.26 3600s linux55.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records1 records   208ms
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
🔷 Autodiscover94.231.103.26
🔶 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   435ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com
📝 TXT Records1 records   604ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (terdura.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.terdura.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   91ms
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…
🔐 DNSSEC297ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA210ms
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
191ms
A
170ms
MX
208ms
AAAA
209ms
TXT
604ms
CAA
187ms
HTTPS
234ms
TLSA
91ms
SOA
210ms
MTA-STS
253ms
DNSSEC
297ms
SRV
435ms
Total
1771ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-28 02:38:05 1771ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-26 20:44:55 599ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-23 22:48:00 2071ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-20 18:54:44 1033ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 22:23:04 655ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:42:11 2094ms 3 NS 1 A 1 MX 🔒 Secure View
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