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 isometrix.com

TypeValueTTLFirst/Last Observed
A 162.159.134.42 14401 2026-08-12 15:43:35
MX za-smtp-inbound-2.mimecast.co.za 14401 2026-08-12 15:43:35
MX za-smtp-inbound-1.mimecast.co.za 14401 2026-08-12 15:43:35
NS ns.otherdns.com 21308 2026-08-12 15:43:35
NS ns.dns2.co.za 21308 2026-08-12 15:43:35
NS ns.dns1.co.za 21308 2026-08-12 15:43:35
NS ns.otherdns.net 21308 2026-08-12 15:43:35
SOA ns.dns1.co.za 14401 2026-08-12 15:43:35
TXT apple-domain-verification=LrowdmiBtRaWujuV 600 2026-08-12 15:43:35
TXT 5rtnb369mjrndo73fe9oqijk09 600 2026-08-12 15:43:35
TXT atlassian-domain-verification=hXO9wGWHzhODZjp5fYtWlcIVyIPJVOfBg0SAKhi4WNBqiGirE9Zz0iP9CKB5OCbs 600 2026-08-12 15:43:35
TXT atlassian-domain-verification=5h9XyASfdYVO8H7zm0tR5co75VaPr14AsLVQ58d6YKsPRi9MSNUhGOwPHexRFf76 600 2026-08-12 15:43:35
TXT phhqs8g4l61l675flohe6gfsve 600 2026-08-12 15:43:35
TXT 00D3t000001wg6M=1TBUN00000000eL 600 2026-08-12 15:43:35
TXT v=spf1 include:za._netblocks.mimecast.com include:aspmx.pardot.com include:_spf.salesforce.com include:spf-westeu.emailsignatures365.com -all 600 2026-08-12 15:43:35
TXT anthropic-domain-verification-ej5z6z=IoFycn5QiQuglyPvuz6cv87Dj 600 2026-08-12 15:43:35
TXT MS=ms87680391 600 2026-08-12 15:43:35
TXT atlassian-domain-verification=5a3PJqaoilNQ6QK74WWlzfr3cCn0VwB8TA7Nsc9yLTb19OhlwU1o0M7bswC5dwgT 600 2026-08-12 15:43:35
TXT vdohfhpsreh6moac18cmsa3agr 600 2026-08-12 15:43:35
TXT pardot890673=36324dfa52450344306664e1812f4ca4e34600dffbf0e418961fe1066645bada 600 2026-08-12 15:43:35
TXT google-site-verification=uhOXIVMOqdX083K-Cc0UlkUHyjoL2REQ5Wv1Te2U2oM 600 2026-08-12 15:43:35

Most-Observed Hosts

HostRecordsLast Seen
aaa.com 1024d ago
cisco.com 9920h ago
fedex.com 824d ago
amazon.com 7022h ago
kering.com 651d ago
prudential.com 644d ago
marriott.com 624d ago
pb.com 602d ago
udemy.com 603d ago
ringcentral.com 573d ago
zoominfo.com 525d ago
appen.com 512d ago
185.220.101.24 505d ago
185.220.101.26 505d ago
185.220.101.29 50Aug 07, 2026
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