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 dsitech.com

TypeValueTTLFirst/Last Observed
A 160.153.0.204 600 2026-08-23 13:29:01
MX dsitech-com.mail.protection.outlook.com 3600 2026-08-23 13:29:01
NS ns72.domaincontrol.com 3600 2026-08-23 13:29:01
NS ns71.domaincontrol.com 3600 2026-08-23 13:29:01
SOA ns71.domaincontrol.com 600 2026-08-23 13:29:01
TXT v=spf1 ip4:50.232.35.36 ip4:208.218.2.42 include:servers.mcsv.net include:spf.protection.outlook.com ~all 1800 2026-08-23 13:29:01
TXT google-site-verification=7AYBoOnOf1Vhnk9_Qbde06A6BJAJ63jVeTesXr47-rk 1800 2026-08-23 13:29:01
TXT v=verifydomain MS=2404418 1800 2026-08-23 13:29:01
TXT duo_sso_verification=yzgblzA6XTvw2IvXVksCSrfQVBUVa63heMxXUo8o1OxP04e7ULIkTs4DvPW7AGWQ 1800 2026-08-23 13:29:01
TXT v=verifydomain MS=8710677 1800 2026-08-23 13:29:01
TXT duo_sso_verification=g05NT3XLvsDpJdGherraR7tLVZtEoDgftqQwEHoDa5khmXk89p31HklYk4TmcjaT 1800 2026-08-23 13:29:01
TXT _2jg34mlkxfbsmlle2rfbznir08ur9x5 1800 2026-08-23 13:29:01
TXT ciscocidomainverification=3762c2d3fbd8c82428a973e986c385d032ebc4eabc12b7b376db0f623ac88c 1800 2026-08-23 13:29:01
TXT google-gws-recovery-domain-verification=44916832 1800 2026-08-23 13:29:01

Most-Observed Hosts

HostRecordsLast Seen
aaa.com 102Aug 10, 2026
cisco.com 99Aug 13, 2026
fujifilm.com 84Aug 17, 2026
fedex.com 82Aug 10, 2026
spglobal.com 82Aug 15, 2026
assaabloy.com 806d ago
ingersollrand.com 72Aug 17, 2026
microsoft.com 714d ago
amazon.com 70Aug 13, 2026
kering.com 665d ago
77.111.241.78 654d ago
prudential.com 64Aug 10, 2026
asics.com 63Aug 17, 2026
marriott.com 62Aug 09, 2026
vimeo.com 626d ago
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