postini.dk
Last scanned: 2026-08-26 04:56:20  ·  10349ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   82ms
NameserverIP addressesPTRASN / ISP
ns1.google.com 2001:4860:4802:32::a
216.239.32.10		 ns1.google.com
ns1.google.com		 AS15169 Google LLC
AS15169 Google LLC
ns2.google.com 2001:4860:4802:34::a
216.239.34.10		 ns2.google.com
ns2.google.com		 AS15169 Google LLC
AS15169 Google LLC
ns3.google.com 2001:4860:4802:36::a
216.239.36.10		 ns3.google.com
ns3.google.com		 AS15169 Google LLC
AS15169 Google LLC
ns4.google.com 2001:4860:4802:38::a
216.239.38.10		 ns4.google.com
ns4.google.com		 AS15169 Google LLC
AS15169 Google LLC
🌍 A Records
🌍
No A records found
📧 MX Records4 records   68ms
PriorityTTLMail ServerIP addressesPTRASN
100 3600s mx1.extremeonly.com 34.76.27.54 54.27.76.34.bc.googleusercontent.com AS396982 Google LLC
100 3600s mx2.extremeonly.com 34.76.27.54 54.27.76.34.bc.googleusercontent.com AS396982 Google LLC
100 3600s mx3.extremeonly.com 35.205.156.28 28.156.205.35.bc.googleusercontent.com AS396982 Google LLC
100 3600s mx4.extremeonly.com 35.205.156.28 28.156.205.35.bc.googleusercontent.com AS396982 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC9096ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2012122000
Primary NS (MNAME)ns1.google.com
Responsible (RNAME)postini-hostmaster@google.com
Refresh7200s
Retry3600s
Expire3600000s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
82ms
A
2052ms
MX
68ms
AAAA
65ms
TXT
325ms
CAA
70ms
HTTPS
93ms
TLSA
120ms
SOA
0ms
MTA-STS
95ms
DNSSEC
9096ms
SRV
106ms
Total
10349ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 04:56:20 10349ms 4 NS 0 A 4 MX 🔓 Insecure View
2026-06-25 13:43:15 1472ms 4 NS 0 A 4 MX 🔓 Insecure View
2026-06-17 22:55:19 1157ms 4 NS 0 A 4 MX 🔓 Insecure View
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