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 alert360.com

TypeValueTTLFirst/Last Observed
A 104.18.185.50 600 2026-08-13 08:16:14
MX alert360-com.mail.protection.outlook.com 300 2026-08-13 08:16:14
NS dorthy.ns.cloudflare.com 9694 2026-08-13 08:16:14
NS ed.ns.cloudflare.com 9694 2026-08-13 08:16:14
SOA dorthy.ns.cloudflare.com 1800 2026-08-13 08:16:14
TXT MS=ms41791173 60 2026-08-13 08:16:14
TXT ahrefs-site-verification_9093bdae69a6221a84c71f29f44647465a06befe2e17bda7c3191dc1836e2140 60 2026-08-13 08:16:14
TXT v=spf1 ip4:23.253.213.7 ip4:23.185.0.2 ip4:23.185.0.3 ip4:172.67.70.151 ip4:104.26.4.184 ip4:104.26.5.184 ip4:52.186.156.102 ip4:149.72.196.66 ip4:149.72.231.47 include:spf.alarm.com include:us._netblocks.mimecast.com include:mail.zendesk.com include:spf.us.exclaimer.net include:_spf.salesforce.com include:spf.protection.outlook.com include:sendgrid.net include:servers.mcsv.net ~all 60 2026-08-13 08:16:14
TXT _globalsign-domain-verification=sh1emX9iPNafcgf1VcquKxPNrM6hxxpb8vunFCVRaX 60 2026-08-13 08:16:14
TXT twilio-domain-verification=38f9d2f2962a98e192489122cf12f6cf 60 2026-08-13 08:16:14
TXT pardot325091=0d513603f4de001e75fa7b05a710f3c9cbceb5595e4ad23b5d999d1eaae1945e 60 2026-08-13 08:16:14
TXT SasTQG4ABxxFyGMzwzXmQuuGvYSQ2r6wO3nFAQ99LoU= 60 2026-08-13 08:16:14
TXT _globalsign-domain-verification=KVZ2vo9DwzYCa1EM4vprfqNigy3OgmAPj_pFJQRQQ3 60 2026-08-13 08:16:14
TXT 3Iu4P/EodpaevV5raB/M8eGJhjisKpI+dXlk1ZYgXzh/i3d+2SYehXF+Ih4icFfvxz8N5/Ti5mVVFAmtaPs3IA== 60 2026-08-13 08:16:14
TXT 0ed1fe018a63ddec2755f04c4284f7579a7ec67dfa 60 2026-08-13 08:16:14
TXT ZA=YYX3HzyTPEeIlcJNqRmptQ== 60 2026-08-13 08:16:14
TXT mandrill_verify.I79PSOR4pCArnJh4MDApxw 60 2026-08-13 08:16:14
TXT google-site-verification=M6qNKGEOhyL2Xu_9WtcyFuNXtf_RdqpK_vCRj463HPY 60 2026-08-13 08:16:14
TXT _globalsign-domain-verification=jHoVg23Ozvrulee5lMI97XetK4SPBx_jmiV8_bJL6w 60 2026-08-13 08:16:14
TXT _globalsign-domain-verification=JwC-Hwls-H9VB263YP4SUi6Gz_KiB4j4MLXktt9BOw 60 2026-08-13 08:16:14
TXT bw=0WH7ltuME4qmSGHCCGVV84dtRuHVoTGVnw7GGh9svXlR 60 2026-08-13 08:16:14
TXT apple-domain-verification=l5s9lID4cAuXlRj5 60 2026-08-13 08:16:14
TXT google-site-verification=RHuZAAqEA6n4fx3oBYYoBer7cGIhAhfccmtw-WvZNzg 60 2026-08-13 08:16:14
TXT _globalsign-domain-verification=Ol-ZO6kv9y4EPXV0-zznFMyzG8vNxjPigkHnh9m4aQ 60 2026-08-13 08:16:14
TXT docusign=ef48c18c-005d-4d9a-893e-da0acf90b37b 60 2026-08-13 08:16:14
TXT ecostruxure-it-verification=4aae38bd-85e7-49d1-8697-92ac58eae593 60 2026-08-13 08:16:14

Most-Observed Hosts

HostRecordsLast Seen
aaa.com 1023d ago
cisco.com 9912h ago
fedex.com 823d ago
amazon.com 7014h ago
kering.com 6523h ago
prudential.com 643d ago
marriott.com 624d ago
udemy.com 603d ago
pb.com 602d ago
ringcentral.com 573d ago
zoominfo.com 525d ago
appen.com 512d ago
185.220.101.5 506d ago
185.220.101.7 506d ago
185.220.101.13 506d ago
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