Top-Level Domain
.gov
Aggregated statistics for the top-level domain
Apex domains
—
we've enumerated
Subdomains seen
—
CT + DNS + brute
TLS certs
—
naming .gov
Hosting ASNs
—
distinct origins
Domain Distribution
Apex domains with the most known subdomains — large orgs, telecoms, hosters.
| Apex | Subdomains |
|---|---|
| ca.gov | 7,889 |
| nasa.gov | 7,485 |
| nih.gov | 7,299 |
| dc.gov | 6,652 |
| in.gov | 6,574 |
| sandia.gov | 5,383 |
| va.gov | 5,335 |
| maryland.gov | 5,234 |
| sc.gov | 4,765 |
| epa.gov | 4,740 |
| faa.gov | 4,202 |
| nd.gov | 4,096 |
| ohio.gov | 3,886 |
| virginia.gov | 3,785 |
| dot.gov | 3,186 |
| pa.gov | 3,180 |
| ornl.gov | 3,014 |
| mn.gov | 2,932 |
| ct.gov | 2,871 |
| noaa.gov | 2,767 |
| dhs.gov | 2,740 |
| treasury.gov | 2,686 |
| wi.gov | 2,661 |
| uscourts.gov | 2,458 |
| cms.gov | 2,452 |
| cdc.gov | 2,439 |
| hhs.gov | 2,382 |
| nc.gov | 2,339 |
| senate.gov | 2,257 |
| lacounty.gov | 2,254 |
| usda.gov | 2,235 |
| doe.gov | 2,192 |
| wa.gov | 2,000 |
| tn.gov | 1,863 |
| fnal.gov | 1,861 |
| nh.gov | 1,851 |
| mountainview.gov | 1,697 |
| texas.gov | 1,636 |
| nj.gov | 1,574 |
| utah.gov | 1,466 |
| lbl.gov | 1,420 |
| ny.gov | 1,294 |
| nyc.gov | 1,236 |
| ky.gov | 1,164 |
| anl.gov | 1,091 |
| ed.gov | 1,038 |
| mo.gov | 954 |
| dol.gov | 931 |
| ok.gov | 906 |
| opm.gov | 884 |
Top Certificate Issuers
No TLS certs seen
scan_tls_certs doesn't yet contain a certificate whose SAN ends in .gov.
Top Hosting ASNs
No hosting attribution yet
Forward-DNS crawler hasn't resolved enough .gov apexes to BGP-attributable IPs.
Tech-Stack Distribution
No Wappalyzer detections
Body-fetcher hasn't covered enough .gov sites yet for stack patterns to emerge.
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.