slt.dk
Last scanned: 2026-09-03 12:59:49  ·  517ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   33ms
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   27ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.8.37.82 3600s — AS3308 Norlys Telco A/S 193.8.36.0/23 🇩🇰 Denmark Ølstykke
📧 MX Records1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.spamfilter.io 46.36.212.34
46.36.212.36
46.36.212.37
46.36.212.38
89.188.78.64
89.188.78.65
89.188.78.66
94.231.106.12		 node4.spamfilter.io
node8.spamfilter.io
node6.spamfilter.io
node7.spamfilter.io
node3.spamfilter.io
node9.spamfilter.io
node10.spamfilter.io
node2.spamfilter.io		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   137ms
TXT Record
MS=ms49304085
v=spf1 mx a ip4:46.36.212.32/27 ip4:89.188.78.64/27 ip4:94.231.106.10 ip4:94.231.106.11 ip4:94.231.106.12 ip4:94.231.106.13 ip4:94.231.106.14 ?all
✉️ SPF
PolicyRecord (slt.dk)
?all (neutral) v=spf1 mx a ip4:46.36.212.32/27 ip4:89.188.78.64/27 ip4:94.231.106.10 ip4:94.231.106.11 ip4:94.231.106.12 ip4:94.231.106.13 ip4:94.231.106.14 ?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 / DANE1 records   63ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.spamfilter.io DANE-EE · SPKI · SHA-256 9A25F05F2E322DABDCC9B7A06AB47A2D…
🔐 DNSSEC62ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2025063006
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
33ms
A
27ms
MX
40ms
AAAA
23ms
TXT
137ms
CAA
26ms
HTTPS
44ms
TLSA
63ms
SOA
0ms
MTA-STS
39ms
DNSSEC
62ms
SRV
47ms
Total
517ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 12:59:49 517ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:17:41 2550ms 3 NS 1 A 1 MX 🔒 Secure View
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