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Site profile

ycombinator.com

Y Combinator

Visit the site
Popularity rank
Unranked
Authority
71.7
0–100, from links to it
Pages indexed
1
Linked from
4
indexed sites
Server
cloudflare
Crawled
2 days ago

Technologies

Found on any of its indexed pages. Each one lists every other site that uses it.

Fonts
Google Fonts
Analytics
Universal Analytics
Maps
Google Maps
Hosting and CDN
Cloudflare
Widgets
Algolia

Tracking IDs

Analytics, ad and verification IDs in its source. Sites sharing one are usually run by the same people.

Contacts

Email addresses, phone links and social profiles it publishes.

3 social profiles. Sign in to see them, free.

Server

From the response headers and meta tags of its homepage.

Server
cloudflare
X-Powered-By
–
Generator
–
IP address
104.20.46.159

Loads scripts from

Infrastructure

DNS, certificate and favicon, with when each was seen. Shared ones lead to the other sites behind them.

Addresses
18.66.112.117only this site
18.66.112.120only this site
18.66.112.40only this site
18.66.112.50only this site
2600:9000:223f:1c00:15:891f:4040:93a1
2600:9000:223f:3a00:15:891f:4040:93a1
Alias of
www.ycombinator.com.cdn.cloudflare.net
Mail (MX)
alt1.aspmx.l.google.com1,175 other sites
alt2.aspmx.l.google.com1,169 other sites
aspmx.l.google.com1,180 other sites
aspmx4.googlemail.com142 other sites
Name servers
ns-1411.awsdns-48.org3 other sites
ns-1914.awsdns-47.co.uk1 other site
ns-225.awsdns-28.com2 other sites
ns-556.awsdns-05.netonly this site
Certificate issuer
C = US, O = Amazon, CN = Amazon RSA 2048 M04
Valid until
Dec 2, 2026
Certificate
067fb662b371bf1303eb4a98b4d419e80fceonly this site
Names it covers
*.ycombinator.comfemalefoundergifts.comtheycombinator.comwww.femalefoundergifts.comwww.theycombinator.comwww.yankeecharlie.comwww.yankeecharlie.netwww.yankeecharlie.orgwww.yc.fyiwww.yc120.orgwww.ycb2bguide.comwww.ycfounders.comwww.ycgiftguide.comwww.ycinside.netwww.ycinside.orgwww.yclabs.comwww.yclabs.orgwww.ycomb.comwww.ycomb.netwww.ycomb.orgwww.ycombinator.citywww.ycombinator.netwww.ycombinator.xyzwww.ycopenofficehours.comwww.ycstartups.comwww.ycswag.comyankeecharlie.comyankeecharlie.netyankeecharlie.orgyc.fyiyc120.orgycb2bguide.comycfounders.comycgiftguide.comycinside.netycinside.orgyclabs.comyclabs.orgycomb.comycomb.netand 9 more
Favicon
1621004280only this site
TXT records
MS=ms37374900
Wayback verify for support request 741082
ZOOM_verify_2ndw8KZxSRa8PT8NmdyXvw
anthropic-domain-verification-0qe2ww=yK576oHdDgyTcXgkPfj1KXgGt

Ad sellers

Who its ads.txt and app-ads.txt let sell its ad space directly. Sites sharing a seller account usually share an owner.

No ads.txt or app-ads.txt with direct sellers.

Published files

What it publishes for machines. Every version is archived.

  • ads.txtnone (HTTP 404)
  • app-ads.txtnone (HTTP 404)
  • Favicon1 version · checked Oct 18, 2026View
  • robots.txt1 version · checked Oct 18, 2026View
  • security.txtnone (HTTP 404)
  • Sitemap1 version · checked Oct 18, 2026View

History

What the archive holds about it.

Fetched 1 time since Oct 18, 2026, 1 successfully. The archive holds 1 distinct version of 1 page: every change is kept.

Linked from 4 indexed sites

The most popular first.

Links to

Other sites its pages link to, by how many of its pages do.

Search within ycombinator.com

Indexed pages