usgs.gov has no address at all.

The name exists but has neither an A nor an AAAA record.

usgs.gov No address

A (IPv4)	none
AAAA (IPv6)	none

www.usgs.gov Has IPv6

Alias of	www.cloud.usgs.gov → d2tuw16ob3s747.cloudfront.net
A (IPv4)	3.170.42.70 3.170.42.87 3.170.42.52 3.170.42.81
AAAA (IPv6)	2600:9000:2870:9200:1b:8180:81c0:93a1 2600:9000:2870:b800:1b:8180:81c0:93a1 2600:9000:2870:8e00:1b:8180:81c0:93a1 2600:9000:2870:5400:1b:8180:81c0:93a1 2600:9000:2870:9c00:1b:8180:81c0:93a1 2600:9000:2870:e800:1b:8180:81c0:93a1 2600:9000:2870:6800:1b:8180:81c0:93a1 2600:9000:2870:7200:1b:8180:81c0:93a1

Copy the evidence — a citation-ready record of this measurement

IPv6 measurement: usgs.gov
Measured 2026-11-01 02:53:53 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    none
AAAA (IPv6): none
www AAAA:    2600:9000:2870:9200:1b:8180:81c0:93a1, 2600:9000:2870:b800:1b:8180:81c0:93a1, 2600:9000:2870:8e00:1b:8180:81c0:93a1, 2600:9000:2870:5400:1b:8180:81c0:93a1, 2600:9000:2870:9c00:1b:8180:81c0:93a1, 2600:9000:2870:e800:1b:8180:81c0:93a1, 2600:9000:2870:6800:1b:8180:81c0:93a1, 2600:9000:2870:7200:1b:8180:81c0:93a1
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/_H2fmp8JoM

Permanent link: aaaa.bot/r/_H2fmp8JoM · How we measure

Checked 2026-11-01 02:53:53 UTC. Full DNS report: dns.pizza/domain/usgs.gov · JSON: /api/v1/usgs.gov