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 transcore.com
| Type | Value | TTL | First/Last Observed |
|---|---|---|---|
| A | 23.185.0.1 |
3600 | 2026-08-09 14:50:50 |
| AAAA | 2620:12a:8001::1 |
3600 | 2026-08-09 14:50:50 |
| AAAA | 2620:12a:8000::1 |
3600 | 2026-08-09 14:50:50 |
| MX | transcore-com.mail.protection.outlook.com |
3600 | 2026-08-09 14:50:50 |
| NS | ns3-03.azure-dns.org |
21600 | 2026-08-09 14:50:50 |
| NS | ns2-03.azure-dns.net |
21600 | 2026-08-09 14:50:50 |
| NS | ns1-03.azure-dns.com |
21600 | 2026-08-09 14:50:50 |
| NS | ns4-03.azure-dns.info |
21600 | 2026-08-09 14:50:50 |
| SOA | ns1-03.azure-dns.com |
3600 | 2026-08-09 14:50:50 |
| TXT | atlassian-domain-verification=6vvdKPj50j/1FvuD1I0Dd0/WOUw9AHVx25oYhEty7ASLNhmYByTMmFTQLLLNvCkE |
1 | 2026-08-09 14:50:50 |
| TXT | Dynatrace-site-verification=beb3ff0c-45a3-48d4-851c-0d98d3ae2581__8ogutbv06r2icjkg90j2nvogua |
1 | 2026-08-09 14:50:50 |
| TXT | globalsign-domain-verification=28C71F4CD8F5EB5F75FC10D5AA2AA16E |
1 | 2026-08-09 14:50:50 |
| TXT | _jhno39dzplim9sjka0hdgyv50wzpgfq |
1 | 2026-08-09 14:50:50 |
| TXT | anthropic-domain-verification-bjmx9h=upP6IIvconGJvUc1gMxniHmnH |
1 | 2026-08-09 14:50:50 |
| TXT | v=spf1 include:_spf.hubspot.com include:sendgrid.net include:spf.sendinblue.com include:spf.protection.outlook.com include:ultipro.com ip4:198.176.39.81/32 ip4:185.41.28.0/22 ip4:94.143.16.0/21 ip4:185.24.144.0/22 ip4:153.92.224.0/19 ip4:213.32.128.0/18 ip4:185.107.232.0/22 ip4:77.32.128.0/18 ip4:77.32.192.0/19 ip4:208.64.205.220/32 ip4:208.64.205.134/32 ip4:70.175.226.205/32 ip4:12.16.45.82/32 ip4:50.229.115.242/32 -all |
1 | 2026-08-09 14:50:50 |
| TXT | _4la40so8eig06598xmjxkem4i72ux9h |
1 | 2026-08-09 14:50:50 |
| TXT | google-site-verification=AUXm_pQ4OXoycjrbt8pEueF5sxr0G3fmso8tfnBQKgE |
1 | 2026-08-09 14:50:50 |
| TXT | T9leV0zltfvSVJ/aOcjmnejFeFo9tH0IJpHeiWyCOMIrtT5bFs1AaIGBomUChe0C9sF6kxRp9nguTHJgSW3OZA== |
1 | 2026-08-09 14:50:50 |
| TXT | smartsheet-site-validation=jAS8PfRPzOjYVvT6lDwlmNcFdgwv3F6h |
1 | 2026-08-09 14:50:50 |
| TXT | google-site-verification=BwGkK41h438JFdIzskgQtWOOrIH-ib-wYbvflhTD81Q |
1 | 2026-08-09 14:50:50 |
| TXT | 5h96cqe351ciom97uc7kciklf1 |
1 | 2026-08-09 14:50:50 |
| TXT | MS=ms32461743 |
1 | 2026-08-09 14:50:50 |
| TXT | Sendinblue-code:e55155b5d4857ef583c41fda5800f962 |
1 | 2026-08-09 14:50:50 |
| TXT | atlassian-domain-verification=pLwLWwbHVEAgoBSIaip8UPaBToboIH1XT8HUcLefl35fDLo36uaJQSXjqlgGZze1 |
1 | 2026-08-09 14:50:50 |
Most-Observed Hosts
| Host | Records | Last Seen |
|---|---|---|
aaa.com |
102 | 3h ago |
fedex.com |
82 | 4h ago |
prudential.com |
64 | 5h ago |
marriott.com |
62 | 7h ago |
zoominfo.com |
52 | 1d ago |
185.220.101.27 |
50 | 1d ago |
185.220.101.25 |
50 | 2d ago |
185.220.101.7 |
50 | 2d ago |
185.220.101.19 |
50 | 1d ago |
185.220.101.5 |
50 | 2d ago |
185.220.101.13 |
50 | 3d ago |
185.220.101.24 |
50 | 1d ago |
185.220.101.26 |
50 | 1d ago |
185.220.101.29 |
50 | 3d ago |
185.220.101.23 |
50 | 3d ago |
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