r43.dk
Last scanned: 2026-06-18 07:33:25  ·  3253ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   147ms
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   221ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.184 — linux162.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records1 records   343ms
PriorityTTLMail ServerIP addressesPTRASN
0 — r43-dk.mail.protection.outlook.com 2a01:111:f403:ca09::
2a01:111:f403:ca09::20
2a01:111:f403:ca09::3
2a01:111:f403:ca09::d
52.101.68.0
52.101.68.21
52.101.68.3
52.101.68.32		 mail-am3pr04cu00500.inbound.protection.outlook.com
mail-as8pr05cu00400.inbound.protection.outlook.com
mail-am6pr04cu00303.inbound.protection.outlook.com
mail-as9pr05cu01305.inbound.protection.outlook.com
mail-db3pr0202cu00100.inbound.protection.outlook.com
mail-db4pr02cu00205.inbound.protection.outlook.com
mail-db7pr03cu00403.inbound.protection.outlook.com
mail-db3pr0202cu00200.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig94.231.103.184
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   555ms
TXT Record
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (r43.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.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)
🔐 DNSSEC449ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA273ms
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
147ms
A
221ms
MX
343ms
AAAA
345ms
TXT
555ms
CAA
230ms
HTTPS
311ms
TLSA
398ms
SOA
273ms
MTA-STS
316ms
DNSSEC
449ms
SRV
369ms
Total
3253ms
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