observational · public data only · every record timestamped & source-linked

Registry

Who owns each federal .gov apex domain, and the published security contact. Searching 1,342 domains from CISA’s public registry. For the change history, filterable by flag, see Activity.

DomainOrganizationSecurity contactFlag
18f.govGeneral Services Administration · Federal Acquisition Servicegsa-vulnerability-reports@gsa.gov
250.govExecutive Office of the President · White House OfficePITC-Defense@eop.gov
400yaahc.govGeneral Services Administration · 400 Years of African American History Commissiongsa-vulnerability-reports@gsa.gov
9-11commission.govNational Archives and Records Administrationsecurity-vdp@nara.gov
911.govDepartment of Transportation · National Highway Traffic Safety AdministrationDOT-Cyber-Reporting@dot.gov
911commission.govNational Archives and Records Administrationsecurity-vdp@nara.gov
988.govDepartment of Health and Human Services · Substance Abuse and Mental Health Services Administrationolexiy.karakcheyev@samhsa.hhs.gov
aanhpiheritage.govDepartment of Health and Human Services · Office of Assistant Secretary of Public Affairsricky.ford@hhs.gov
abd.govExecutive Office of the President · White House OfficePITC-Defense@eop.gov
abilityone.govUnited States AbilityOne Commission · Committee for Purchase From People Who Are Blind or Severely Disablednetworksupport@abilityone.gov
abmc.govAmerican Battle Monuments Commissionitsec@abmc.gov
accedeainternet.govFederal Communications CommissionNSOC-monitor@fcc.gov
access-board.govAccess Boardcybersecurity@access-board.gov
accessibility.govGeneral Services Administration · Office of GSA ITgsa-vulnerability-reports@gsa.gov
acf.govDepartment of Health and Human Services · Administration for Children and Familiesresponsibledisclosure@hhs.gov
achp.govAdvisory Council on Historic Preservationdomainsecurity@achp.gov
acl.govDepartment of Health and Human Services · Administration for Community Livingresponsibledisclosure@hhs.gov
acquisition.govGeneral Services Administration · Office of GSA ITgsa-vulnerability-reports@gsa.gov
acquisitiongateway.govGeneral Services Administration · Federal Acquisition Servicegsa-vulnerability-reports@gsa.gov
acus.govAdministrative Conference of the United Statesinfo@acus.gov
acwi.govDepartment of the Interior · Advisory Committee on Water Informationsecurity@doi.gov
ada.govDepartment of Justice · Civil Rights DivisionResponsible_Disclosure@usdoj.gov
adams.govAdams Memorial Commission(none)
adf.govUnited States African Development Foundation · African Development Foundationschi@usadf.gov
adlnet.govDepartment of Defense · Defense Human Resources Activitycybersecurity@adlnet.gov
adr.govFederal Mediation and Conciliation Servicesecurity@fmcs.gov
afadvantage.govGeneral Services Administration · Federal Acquisition Servicegsa-vulnerability-reports@gsa.gov
aff.govDepartment of Agriculturecyber.incident@usda.gov
afrh.govArmed Forces Retirement HomeStanley.Whitehead@afrh.gov
africanamericanhistorymonth.govLibrary of Congresssecurity@loc.gov
aftac.govDepartment of Defense · Air Forceabuse@aftac.gov
afterschool.govDepartment of Health and Human Services · Assistant Secretary for Planning and Evaluation, Office of the Secretaryresponsibledisclosure@hhs.gov
ag.govDepartment of Agriculturecyber.incidents@asoc.usda.gov
aging.govDepartment of Health and Human Services · Office of the Secretary of Health and Human Servicesresponsibledisclosure@hhs.gov
agingstats.govDepartment of Health and Human Services · Administration for Community Livingresponsibledisclosure@hhs.gov
aha.govDepartment of Health and Human Services · Substance Abuse and Mental Health Services Administration(none)
ahcpr.govDepartment of Health and Human Services · Agency for Healthcare Research and QualityResponsibleDisclosure@hhs.gov
ahrq.govDepartment of Health and Human Services · Agency for Healthcare Research and QualityResponsibleDisclosure@hhs.gov
ai.govExecutive Office of the President · Office of Science and Technology PolicyPITC-Defense@eop.gov
aicenter.govDepartment of Commerce · International Trade AdministrationOpSec@trade.gov
aids.govDepartment of Health and Human Services · Office of the Assistant Secretary for Healthresponsibledisclosure@hhs.gov
aiexports.govDepartment of Commerce · International Trade Administrationopsec@trade.gov
airknowledge.govEnvironmental Protection Agencyinfosec@epa.gov
airnow.govEnvironmental Protection Agencyinfosec@epa.gov
aiworkforcehub.govDepartment of Labor(none)
alertaenlinea.govFederal Trade Commissionsecurity@ftc.gov
alien.govExecutive Office of the President · White House OfficePITC-Defense@eop.gov
aliens.govExecutive Office of the President · White House OfficePITC-Defense@eop.gov
altusandc.govDepartment of Defense · Air Forceabuse@aftac.gov
alzheimers.govDepartment of Health and Human Services · National Institutes on Aging, NIHResponsibleDisclosure@hhs.gov
ama.govDepartment of Agriculturecyber.incidents@usda.gov
amberalert.govDepartment of Justice · Office of Justice ProgramsResponsible_Disclosure@usdoj.gov
america.govDepartment of State · Bureau of Global Public AffairsVDPSubmission@state.gov
america250.govU.S. Semiquincentennial Commission · United States Semiquincentennial Commissiondomain_security@america250.gov
americabydesign.govExecutive Office of the President · White House OfficePITC-Defense@eop.gov
americanmemory.govLibrary of Congresssecurity@loc.gov
americaslibrary.govLibrary of Congresssecurity@loc.gov
americorps.govCorporation for National and Community Service · AmeriCorpsUnsafe@cns.gov
americorpsoig.govCorporation for National and Community Service · AmeriCorps Office of Inspector GeneralIT@americorpsoig.gov
ameslab.govDepartment of Energy · Ames National Laboratorycybersec@ameslab.gov
amtrakoig.govNational Railroad Passenger Corporation, Office of Inspector Generaladmin@amtrakoig.gov
anchorit.govConsumer Product Safety Commissioncsirt@cpsc.gov
anl.govDepartment of Energy · Argonne National LaboratoryCIRC@JC3.DOE.GOV
anstaskforce.govDepartment of the Interior · Aquatic Nuisance Species Task Forcesoc@fws.gov
aoa.govDepartment of Health and Human Services · Administration for Community Livingresponsibledisclosure@hhs.gov
aoc.govArchitect of the CapitolDOMSEC@aoc.gov
aocoig.govArchitect of the Capitol, Office of Inspector General(none)
ap.govDepartment of Commerce · Bureau of Industry and SecurityBIS.CIRT@bis.doc.gov
applicationmanager.govOffice of Personnel Managementcybersolutions@opm.gov
apprenticeship.govDepartment of Laborm-DOLCSIRC@dol.gov
apprenticeships.govDepartment of Laborm-DOLCSIRC@dol.gov
arc.govAppalachian Regional Commission(none)
archives.govNational Archives and Records Administrationsecurity-vdp@nara.gov
arctic.govArctic Research Commissiondallas@sec-data-eng.comforeign contact
arm.govDepartment of Energy · Battelle Pacific Northwest National Laboratorysecurity@arm.gov
arpa-h.govDepartment of Health and Human Services · Advanced Research Projects Agency for Healthresponsibledisclosure@hhs.gov
arpah.govDepartment of Health and Human Services · Advanced Research Projects Agency for Healthresponsibledisclosure@hhs.gov
ars-grin.govDepartment of Agriculture · Agricultural Research Servicecyber.incidents@usda.gov
arsusda.govDepartment of Agriculture · Agricultural Research Servicecyber.incidents@usda.gov
arts.govNational Endowment for the Arts · Office of Information and Technology Managementhelpdesk@arts.gov
asap.govDepartment of the Treasury · Bureau of the Fiscal Servicedomainsecurity@treasury.gov
asc.govAppraisal Subcommittee of the Federal Financial Institutions Examination Council(none)
asianpacificheritage.govLibrary of Congresssecurity@loc.gov
aspr.govDepartment of Health and Human Services · Administration for Strategic Preparedness and Responseresponsibledisclosure@hhs.gov
assistantdemocraticleader.govUnited States House of Representatives · House of Representativesrichard.martins@mail.house.gov
ata.gov.gov Administration · .gov Administration(none)
atf.govDepartment of Justice · Bureau of Alcohol, Tobacco, Firearms, and ExplosivesResponsible_Disclosure@usdoj.gov
atvsafety.govConsumer Product Safety Commissioncsirt@cpsc.gov
aviationweather.govDepartment of Commerce · National Oceanic and Atmospheric Administrationsecurity@noaa.gov
ayudaconmibanco.govDepartment of the Treasury · Office of the Comptroller of the Currencydomainsecurity@treasury.gov
bam.govDepartment of Health and Human Services · Centers for Disease Control and PreventionResponsibleDisclosure@hhs.gov
bankanswers.govDepartment of the Treasury · Office of the Comptroller of the Currencydomainsecurity@treasury.gov
bankcustomer.govDepartment of the Treasury · Office of the Comptroller of the Currencydomainsecurity@treasury.gov
bankcustomerassistance.govDepartment of the Treasury · Office of the Comptroller of the Currencydomainsecurity@treasury.gov
bankhelp.govDepartment of the Treasury · Office of the Comptroller of the Currencydomainsecurity@treasury.gov
banknet.govDepartment of the Treasury · Office of the Comptroller of the Currencydomainsecurity@treasury.gov
bankruptcy.govAdministrative Office of the United States Courts(none)
bats.govDepartment of JusticeResponsible_Disclosure@usdoj.gov
bbg.govUnited States Agency for Global Mediait-security@usagm.gov
bcfp.govConsumer Financial Protection Bureausecurity@cfpb.gov

Showing 100 of 1,342. Search to narrow.

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