Passive DNS

Historic DNS Timeline

Shows every DNS record the platform has observed over time (the DNS audit appends, it doesn't overwrite). For deep historic passive DNS beyond your own observations, add a provider like SecurityTrails/WhoisXML (API key).

Observed Records for tts.sg

TypeValueTTLFirst/Last Observed
A 43.245.98.67 14400 2026-08-13 19:30:29
MX tts-sg.mail.protection.outlook.com 600 2026-08-13 19:30:29
NS ns01.usonyx.net 3599 2026-08-13 19:30:29
NS ns04.usonyx.net 3599 2026-08-13 19:30:29
NS ns03.usonyx.net 3599 2026-08-13 19:30:29
NS ns02.usonyx.net 3599 2026-08-13 19:30:29
SOA ns01.usonyx.net 3600 2026-08-13 19:30:29
TXT MS=ms95166762 600 2026-08-13 19:30:29
TXT v=spf1 ip4:66.96.205.106 ip4:66.96.205.107 ip4:66.96.205.108 include:spf.protection.outlook.com ~all 600 2026-08-13 19:30:29

Most-Observed Hosts

HostRecordsLast Seen
aaa.com 1024d ago
cisco.com 991d ago
fedex.com 824d ago
amazon.com 701d ago
kering.com 651d ago
prudential.com 644d ago
marriott.com 624d ago
pb.com 602d ago
udemy.com 603d ago
ringcentral.com 574d ago
zoominfo.com 526d ago
appen.com 512d ago
185.220.101.19 506d ago
185.220.101.13 50Aug 07, 2026
185.220.101.1 5020h ago
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