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 holtcat.com

TypeValueTTLFirst/Last Observed
A 44.211.115.208 7200 2026-08-19 14:41:22
MX mxb-00148001.gslb.pphosted.com 3600 2026-08-19 14:41:22
MX mx0b-00148001.pphosted.com 3600 2026-08-19 14:41:22
MX mxa-00148001.gslb.pphosted.com 3600 2026-08-19 14:41:22
MX mx0a-00148001.pphosted.com 3600 2026-08-19 14:41:22
NS ns49.worldnic.com 7200 2026-08-19 14:41:22
NS ns50.worldnic.com 7200 2026-08-19 14:41:22
SOA NS49.WORLDNIC.com 7200 2026-08-19 14:41:22
TXT ZOOM_verify_ae1SQrP2SD-ehMiJZ3JhvQ 900 2026-08-19 14:41:22
TXT _keovk1r7p9ndit7mjfyixyaaik22frq 900 2026-08-19 14:41:22
TXT 00D41000002Fw4Q=1TBPl00000004zh 900 2026-08-19 14:41:22
TXT SFMC-RhXisIFNchhd6MOKe0TNuDqoWr2VxEmYc6e3Zd7W 900 2026-08-19 14:41:22
TXT apple-domain-verification=0fMSPeR2vHX08dvE 900 2026-08-19 14:41:22
TXT brevo-code:051347df71b5b2d23d449e07a04702e8 900 2026-08-19 14:41:22
TXT google-site-verification=cMT1_XepNIsxv997Yt_D5nVXbF7G-FeiAqUVwnVzNwE 900 2026-08-19 14:41:22
TXT facebook-domain-verification=781knqurlaczawaewgtn9890stj4sq 900 2026-08-19 14:41:22
TXT v=spf1 ip4:13.111.0.0/22 ip4:13.111.53.0/24 ip4:13.111.54.0/24 ip4:13.111.63.0/24 ip4:13.111.92.0/24 ip4:20.41.44.23 ip4:23.103.128.0/19 ip4:23.103.191.0/24 ip4:23.103.198.0/23 ip4:23.103.200.0/21 ip4:23.103.208.0/21 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:64.4.22.64/26 ip4:64.73.126.0/23 ip4:64.128.67.16 ip4:64.128.67.20 ip4:64.238.211.94 ip4:65.55.88.0/24 ip4:65.55.169.0/24 ip4:67.79.37.173 ip4:67.79.37.177 ip4:74.107.136.48 ip4:74.112.70.0/24 ip4:135.84.68.123 include:spf1.holtcat.com ~all 900 2026-08-19 14:41:22
TXT mk1mxKfKgeZyYtC2jKhxwhGI1uV5ky15NG4oldMuX6tRVqyI4x2I9bDhd13kTfcJZBr+7mJik0vjzHemP0U22w== 900 2026-08-19 14:41:22
TXT logmein-verification-code=52b3b62b-8e74-47cd-80ca-66813ecfd137 900 2026-08-19 14:41:22
TXT pa2VU+Og+30JxgQRtX8ywYX8teBoylqYJvFoC2LlkhwRzBbu8GfmLsAMLlUKM/Q1thtORXBWIjw5vzcFQiIS7w== 900 2026-08-19 14:41:22

Most-Observed Hosts

HostRecordsLast Seen
aaa.com 102Aug 10, 2026
cisco.com 99Aug 13, 2026
fujifilm.com 843d ago
spglobal.com 824d ago
fedex.com 82Aug 10, 2026
assaabloy.com 801d ago
ingersollrand.com 723d ago
amazon.com 70Aug 13, 2026
kering.com 65Aug 13, 2026
prudential.com 64Aug 10, 2026
asics.com 632d ago
marriott.com 62Aug 09, 2026
vimeo.com 6220h ago
udemy.com 60Aug 10, 2026
pb.com 60Aug 11, 2026
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