bollinger-grohmann.dk
Last scanned: 2026-08-26 11:18:37  ·  1740ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   82ms
🌍 A Records1 records   78ms
📧 MX Records1 records   81ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56
🔷 AAAA Records (IPv6)1 records   67ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   209ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com
📝 TXT Records3 records   421ms
TXT Record
miro-verification=d965c021dec2eff72e62e3013b5a60f8a69885ee
MS=ms63644791
v=spf1 a mx include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.proxy.nospamproxy.com ~all
✉️ SPF
PolicyRecord (bollinger-grohmann.dk)
~all (soft fail) v=spf1 a mx include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.proxy.nospamproxy.com ~all
📨 DMARC
PolicyRecord (_dmarc.bollinger-grohmann.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:dmarc@bollinger-grohmann.dk;
📬 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)
🔐 DNSSEC248ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082601
Primary NS (MNAME)ns.checkdomain.de
Responsible (RNAME)hostmaster@checkdomain.de
Refresh40000s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
82ms
A
78ms
MX
81ms
AAAA
67ms
TXT
421ms
CAA
64ms
HTTPS
84ms
TLSA
401ms
SOA
0ms
MTA-STS
127ms
DNSSEC
248ms
SRV
209ms
Total
1740ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 11:18:37 1740ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 17:44:55 2534ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 19:19:02 1061ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 15:45:07 701ms 2 NS 1 A 1 MX 🔓 Insecure View
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