Site profile

xkcd.com

xkcd: Momentum Demonstration

Technologies

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

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

None found.

Email addresses, phone links and social profiles it publishes.

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

From the response headers and meta tags of its homepage.

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

Addresses: 151.101.0.67only this site
151.101.128.67only this site
151.101.192.67only this site
151.101.64.67only this site
2a04:4e42:200::67
2a04:4e42:400::67
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
aspmx2.googlemail.com564 other sites
aspmx3.googlemail.com552 other sites
aspmx4.googlemail.com142 other sites
Name servers: ns-cloud-d1.googledomains.com16 other sites
ns-cloud-d2.googledomains.com16 other sites
ns-cloud-d3.googledomains.com16 other sites
ns-cloud-d4.googledomains.com15 other sites
Certificate issuer: C = BE, O = GlobalSign nv-sa, CN = GlobalSign Atlas R3 DV TLS CA 2025 Q4
Valid until: Jan 9, 2027
Certificate: 01023785621aff9849d8dd3906bb32f0only this site
Names it covers: xkcd.com
Favicon: 1740710586only this site
TXT records: v=spf1 include:_spf.google.com include:mailgun.org ~all

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.

What it publishes for machines. Every version is archived.

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.

The most popular first.

No indexed site links here.

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