rt11.dk
Last scanned: 2026-06-25 01:08:23  ·  1923ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   292ms
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   291ms
IPTTLPTRASNISP / OrgCIDRCountryCity
52.30.222.13 3600s — AS16509 Amazon.com, Inc. 52.24.0.0/13 🇮🇪 Ireland Dublin
📧 MX Records1 records   276ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s inbound-smtp.eu-west-1.amazonaws.com 18.200.203.69
54.155.140.59
54.76.31.185		 ec2-18-200-203-69.eu-west-1.compute.amazonaws.com
ec2-54-155-140-59.eu-west-1.compute.amazonaws.com
ec2-54-76-31-185.eu-west-1.compute.amazonaws.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover52.30.222.13
🔶 Autoconfig52.30.222.13
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   607ms
TXT Record
v=spf1 include:amazonses.com -all
✉️ SPF
PolicyRecord (rt11.dk)
-all (hard fail) v=spf1 include:amazonses.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)
🔐 DNSSEC563ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA251ms
FieldValue
Serial2020072990
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
292ms
A
291ms
MX
276ms
AAAA
312ms
TXT
607ms
CAA
306ms
HTTPS
271ms
TLSA
456ms
SOA
251ms
MTA-STS
309ms
DNSSEC
563ms
SRV
384ms
Total
1923ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 01:08:23 1923ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-24 02:01:43 1577ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-23 02:31:10 1181ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 21:29:32 769ms 4 NS 1 A 1 MX 🔒 Secure View
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