Hosting check
Who hosts fastly.com?
fastly.com is behind Fastly, which hides the origin host. DNS by UltraDNS. Email by Google Workspace. Its HTTPS certificate expires in 20 days.
Checked 14 Oct 2026 at 10:42 UTC
Server
Anycast: nearest of many locations
151.101.129.57
Fastly, Inc. · AS54113
🇺🇸San Francisco, United States
Checks
5 of 7 checks pass
Warnings are worth a look, but nothing is broken.
Hosting provider
Low confidence
Fastly
CDNOrigin host hidden. A CDN answers for this site and hides the origin server, so the real host is not visible from outside.
- CDN
Answers every request and forwards it to an origin server it does not reveal. The IP address below belongs to the CDN.
- Network
Owns the IP address that answered our lookup.
How we know
2 signals- NetworkAS54113Fastly
- Headerx-served-by: cache-bma-essb1270045-BMAFastly
IP & network
151.101.129.57 · San Francisco
- IP address
- 151.101.129.57
- Network
- Fastly, Inc.AS54113 · hosting
- Route
- 151.101.128.0/22
- Location
- San Francisco, California, United StatesAnycast: where our lookup landed
- Timezone
- America/Los_Angeles
This is an anycast address: many locations announce it, and each visitor reaches the nearest one. The location above is only where our lookup landed.
Coordinates, postal code and company
Geolocation describes the network's registered location, not a street address. For a data center IP the postal code and coordinates are approximate.
- Coordinates
- 37.7621,-122.3971
- Postal code
- 94107
- Country code
- US
DNS records
49 records in 7 types
- A
4 records
IPv4 addresses the name points to
- 151.101.129.57
- 151.101.1.57
- 151.101.65.57
- 151.101.193.57
- AAAA
4 records
IPv6 addresses the name points to
- 2a04:4e42:600::313
- 2a04:4e42::313
- 2a04:4e42:200::313
- 2a04:4e42:400::313
- NS
8 records
Nameservers that answer for the zone
- ns-cloud-a2.googledomains.com
- ns-cloud-a1.googledomains.com
- edns1.ultradns.com
- oak.fastlydns.com
- edns1.ultradns.net
- oak.fastlydns.dev
- oak.fastlydns.net
- oak.fastlydns.org
- MX
5 records
Mail servers, lowest priority first
- 10 aspmx.l.google.com
- 20 alt1.aspmx.l.google.com
- 20 alt2.aspmx.l.google.com
- 30 aspmx2.googlemail.com
- 30 aspmx3.googlemail.com
- CAA
6 records
Certificate authorities allowed to issue certificates
- 0 iodef "mailto:security@fastly.com"
- 0 issue "amazonaws.com"
- 0 issue "certainly.com"
- 0 issue "digicert.com"
- 0 issue "globalsign.com"
- 0 issue "letsencrypt.org"
- SOA
1 record
Zone authority: primary nameserver, admin mailbox and timers
- edns1.ultradns.com hostmaster.fastly.com 2023023210 3600 600 604800 60
- TXT
21 records
1 SPF policy, 18 ownership proofs, 2 other
- MS=ms21516267
- 15c37408-29ae-4d52-8aac-c6f4d94fdcb7
- dropbox-domain-verification=6qxhbsnj6ptn
- MS=8DDEF0C8F0796A9B5250EF7D2BB6DE03C4556F6F
SSL certificate
Expires in 20 days
- Status
- Expires in 20 daysThe certificate is trusted, but renew it before it expires to avoid browser warnings.
- Issuer
- Certainly (Certainly Intermediate R1)
- Common name
- www.fastly.com
- Protocol
- TLSv1.3
- Valid from
- October 4, 2026 at 05:42 PM UTC
- Valid to
- November 3, 2026 at 05:42 PM UTCExpires in 20 days
Covered hostnames
3 names- developer.fastly.com
- fastly.com
- www.fastly.com
Certificate chain
3 certificateswww.fastly.com
Server certificate · Issued by Certainly (Certainly Intermediate R1) · Valid to 03 Nov 2026
Certainly (Certainly Intermediate R1)
Intermediate · Issued by Starfield Technologies, Inc. (Starfield Root Certificate Authority - G2) · Valid to 21 Jun 2032
Starfield Technologies, Inc. (Starfield Root Certificate Authority - G2)
Root · Valid to 31 Dec 2037
Serial number and fingerprints
- Serial number
- 79EBB18CE14BA16D2B885014E90633E54E7E
- SHA-256
- 56:98:8C:1B:97:10:79:24:FC:D8:5D:C8:39:49:B8:F9:9A:9C:1D:7C:DD:D8:5F:6B:7A:6F:16:FD:83:16:DB:13
- SHA-1
- 1B:EB:72:F1:A5:C3:B1:69:B3:47:DC:DB:A4:ED:3D:3C:8B:EB:EE:B0
Domain registration
Registered 08 Jul 2002
Expires in 266 daysRegistration data for fastly.com, from the registry's RDAP or WHOIS service.
- Registrar
- MarkMonitor Inc.IANA ID 292
- Registrant
- DNStination Inc.US
- Registered
- 08 Jul 200224 years, 3 months old
- Expires
- 08 Jul 2027Expires in 266 days
- Last updated
- 15 Jun 2026
- DNSSEC
- Unsigned
- Abuse email
- abusecomplaints@markmonitor.com
- Abuse phone
- +1.2086851750
Status
Nameservers
8 nameservers- edns1.ultradns.com
- edns1.ultradns.net
- ns-cloud-a1.googledomains.com
- ns-cloud-a2.googledomains.com
- oak.fastlydns.com
- oak.fastlydns.dev
- oak.fastlydns.net
- oak.fastlydns.org
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