alf3.dk
Last scanned: 2026-07-17 21:31:01  ·  32661ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   97ms
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   105ms
IPTTLPTRASNISP / OrgCIDRCountryCity
172.105.95.194 3600s li2056-194.members.linode.com AS63949 Akamai Connected Cloud 172.105.0.0/17 🇩🇪 Germany Frankfurt am Main
📧 MX Records1 records   86ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.alf3.dk 172.105.95.194 li2056-194.members.linode.com AS63949 Akamai Connected Cloud
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover172.105.95.194
🔶 Autoconfig172.105.95.194
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   353ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (alf3.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.alf3.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100;
📬 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)
🔐 DNSSEC221ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA90ms
FieldValue
Serial2023042906
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
97ms
A
105ms
MX
86ms
AAAA
92ms
TXT
353ms
CAA
88ms
HTTPS
116ms
TLSA
143ms
SOA
90ms
MTA-STS
52ms
DNSSEC
221ms
SRV
16040ms
Total
32661ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-17 21:31:01 32661ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-01 23:44:34 593ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:59:48 2313ms 3 NS 1 A 1 MX 🔒 Secure View
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