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 tektreeinc.com

TypeValueTTLFirst/Last Observed
A 35.154.162.114 600 2026-08-12 04:59:28
MX alt3.aspmx.l.google.com 3600 2026-08-12 04:59:28
MX alt2.aspmx.l.google.com 3600 2026-08-12 04:59:28
MX alt1.aspmx.l.google.com 3600 2026-08-12 04:59:28
MX alt4.aspmx.l.google.com 3600 2026-08-12 04:59:28
MX aspmx.l.google.com 3600 2026-08-12 04:59:28
NS ns25.domaincontrol.com 3600 2026-08-12 04:59:28
NS ns26.domaincontrol.com 3600 2026-08-12 04:59:28
SOA ns25.domaincontrol.com 3600 2026-08-12 04:59:28
TXT google-site-verification=n6mNQA8IJVrfgE4XNhcdP1DqUd3L4YUFWQd5woIq0SI 3600 2026-08-12 04:59:28
TXT google-site-verification=FMRxtH4HTcBJYHU_c7QDIU33BzOHvc8-_gUdk_A3ozw 3600 2026-08-12 04:59:28
TXT v=spf1 include:_spf.google.com ip4:204.187.13.169 ip4:204.187.13.47 ip4:208.70.246.198 ip4:204.187.13.137 ip4:204.187.12.177 ip4:204.187.12.243 ip4:204.187.12.254 ip4:204.187.12.251 ip4:198.50.168.95 ip4:158.69.38.40 ip4:142.44.175.220 ip4:158.69.110.204 include:spf.protection.outlook.com ~all 3600 2026-08-12 04:59:28
TXT google-site-verification=rICJh0J_vex-QcB7eZUzUcgNe5r600rYMKa9z_czNU8 3600 2026-08-12 04:59:28
TXT google-site-verification=BqzGtVYZn-Ga22xNqX1wHn77Q-9sPs-yzZOw9L56lpM 3600 2026-08-12 04:59:28

Most-Observed Hosts

HostRecordsLast Seen
aaa.com 1022d ago
fedex.com 822d ago
prudential.com 642d ago
marriott.com 623d ago
pb.com 601d ago
udemy.com 602d ago
ringcentral.com 572d ago
zoominfo.com 524d ago
appen.com 511d ago
185.220.101.19 504d ago
185.220.101.23 505d ago
185.220.101.5 505d ago
185.220.101.7 505d ago
185.220.101.24 504d ago
185.220.101.26 504d ago
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