Domain · Tranco #19,631

astronomy.com

astronomy.com is ranked #19,631 among the world's most-visited sites (Tranco). It resolves to 192.0.66.100, hosted on nginx, and presents a TLS certificate issued by Let's Encrypt.

HTTP 301

Tranco rank	#19,631
IPv4	192.0.66.100
Hosting / reverse DNS	nginx
Hosting network	AS2635 · AUTOMATTIC - Automattic, Inc, US
Nameservers	emma.ns.cloudflare.com, leo.ns.cloudflare.com
Mail servers (MX)	aspmx.l.google.com (1), aspmx.l.google.com (1), alt2.aspmx.l.google.com (5)
HTTP status	301 → https://www.astronomy.com/
Web server	nginx
Detected tech	nginx, WordPress VIP <https://wpvip.com>
TLS certificate	Let's Encrypt · expires 2026-10-06

Linked company

This domain's name matches a legal entity in our directory:

ASTRONOMY LTD

Notable DNS TXT records

google-site-verification=Bj48pwkKwARMjQ6ccaMuUv_iciwR6NpLkTDXG0fSh1I
facebook-domain-verification=g1gnepzz88je0ng1fds4jnm0ere28i
google-site-verification=aQ5wlhFRRLU5azKLqVe1NFTGs2sCbvns9GuIEiCDMks
google-site-verification=njHBAlVlY7dCkCTGxAvon5pdN-b585UFZtmmrciq9yE
v=spf1 include:_spf.google.com ~all
MS=ms18345035

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FAQ

What is the IP address of astronomy.com?

astronomy.com resolves to 192.0.66.100 (nginx).

Who issued the SSL certificate for astronomy.com?

The TLS/SSL certificate for astronomy.com was issued by Let's Encrypt, valid until 2026-10-06.

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DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains