tm-b.dk
Last scanned: 2026-08-25 11:44:47  ·  1153ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   63ms
🌍 A Records1 records   45ms
📧 MX Records3 records   68ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   106ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records5 records   287ms
TXT Record
include:secureserver.net
NETORG8221202.onmicrosoft.com
v=DMARC1; p=quarantine; pct=100; rua=mailto:jane@coolexample.com; ruf=mailto:thomas@tm-b.dk
v=spf1 include:_spf-usg2.ppe-hosted.com include:secureserver.net ~all
v=spf1 include:secureserver.net -all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (tm-b.dk)
~all (soft fail) v=spf1 include:_spf-usg2.ppe-hosted.com include:secureserver.net ~all
-all (hard fail) v=spf1 include:secureserver.net -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)
🔐 DNSSEC97ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2025082603
Primary NS (MNAME)ns61.domaincontrol.com
Responsible (RNAME)dns@jomax.net
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
63ms
A
45ms
MX
68ms
AAAA
57ms
TXT
287ms
CAA
51ms
HTTPS
60ms
TLSA
255ms
SOA
0ms
MTA-STS
86ms
DNSSEC
97ms
SRV
106ms
Total
1153ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 11:44:47 1153ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-06-25 21:30:32 1196ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-06-22 22:05:11 913ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 15:39:07 929ms 2 NS 1 A 3 MX ⚠️ Bogus View
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