Hosting check
Who hosts railway.app?
railway.app is behind Cloudflare, which hides the origin host. DNS by Cloudflare. Email by Google Workspace.
Checked 14 Oct 2026 at 11:40 UTC
Server
Anycast: nearest of many locations
104.18.10.246
Cloudflare, Inc. · AS13335
🇺🇸San Francisco, United States
Checks
5 of 7 checks pass
Warnings are worth a look, but nothing is broken.
Hosting provider
Low confidence
Cloudflare
CDNOrigin host hidden. A CDN answers for this site and hides the origin server, so the real host is not visible from outside.
- CDN
Cloudflarecloudflare.com
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
3 signals- NetworkAS13335Cloudflare
- Headercf-ray: a4a64e903b9c4500-HELCloudflare
- Headerserver: cloudflareCloudflare
IP & network
104.18.10.246 · San Francisco
- IP address
- 104.18.10.246
- Network
- Cloudflare, Inc.AS13335 · hosting
- Route
- 104.18.0.0/20
- 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
36 records in 7 types
- A
2 records
IPv4 addresses the name points to
- 104.18.10.246
- 104.18.11.246
- AAAA
2 records
IPv6 addresses the name points to
- 2606:4700::6812:bf6
- 2606:4700::6812:af6
- NS
3 records
Nameservers that answer for the zone
- blue.foundationdns.com
- blue.foundationdns.net
- blue.foundationdns.org
- MX
5 records
Mail servers, lowest priority first
- 1 aspmx.l.google.com
- 10 alt3.aspmx.l.google.com
- 10 alt4.aspmx.l.google.com
- 5 alt1.aspmx.l.google.com
- 5 alt2.aspmx.l.google.com
- CAA
11 records
Certificate authorities allowed to issue certificates
- 0 issue "comodoca.com"
- 0 issue "digicert.com; cansignhttpexchanges=yes"
- 0 issue "letsencrypt.org"
- 0 issue "pki.goog; cansignhttpexchanges=yes"
- 0 issue "ssl.com"
- 0 issuewild "certainly.com"
- 0 issuewild "comodoca.com"
- 0 issuewild "digicert.com; cansignhttpexchanges=yes"
- 0 issuewild "letsencrypt.org"
- 0 issuewild "pki.goog; cansignhttpexchanges=yes"
- 0 issuewild "ssl.com"
- SOA
1 record
Zone authority: primary nameserver, admin mailbox and timers
- blue.foundationdns.com dns.cloudflare.com 2416363254 10000 2400 604800 1800
- TXT
12 records
1 SPF policy, 8 ownership proofs, 3 other
- TAILSCALE-k5Va9LBdoRG7KLKkDn1H
- _e0snyquo4wfxwjjpki8o3t5ucz608h2
- _zknl60hca5wtfjwl90ccaust9qbg6ok
- apple-domain-verification=EnFQxsorXIy_9UH3UUInyoSk26GKN7Ae8HZRTSP6dmQ
SSL certificate
- Status
- Valid certificateTrusted by browsers and covers railway.app. Expires in 45 days.
- Issuer
- Google Trust Services (WE1)
- Common name
- railway.app
- Protocol
- TLSv1.3
- Valid from
- August 30, 2026 at 08:31 PM UTC
- Valid to
- November 28, 2026 at 09:31 PM UTCExpires in 45 days
Covered hostnames
2 names- railway.app
- *.railway.app
Certificate chain
4 certificatesrailway.app
Server certificate · Issued by Google Trust Services (WE1) · Valid to 28 Nov 2026
Google Trust Services (WE1)
Intermediate · Issued by Google Trust Services LLC (GTS Root R4) · Valid to 20 Feb 2029
Google Trust Services LLC (GTS Root R4)
Intermediate · Issued by GlobalSign nv-sa (GlobalSign Root CA) · Valid to 28 Jan 2028
GlobalSign nv-sa (GlobalSign Root CA)
Root · Valid to 28 Jan 2028
Serial number and fingerprints
- Serial number
- 19E12B0DE7FA7A5E0E4D5D1B93910A91
- SHA-256
- B0:5A:2D:F2:8D:A6:6C:78:58:64:FD:4C:69:43:AA:C6:92:06:E4:00:C5:6D:1D:1F:42:1E:D6:16:DF:42:A1:ED
- SHA-1
- 6D:96:44:5E:71:AA:25:E2:D8:30:9D:7E:03:6B:7E:E1:A3:82:62:2E
Domain registration
Registered 01 Aug 2019
Expires in 656 daysRegistration data for railway.app, from the registry's RDAP or WHOIS service.
- Registrar
- Namecheap Inc.IANA ID 1068
- Registrant country
- US
- Registered
- 01 Aug 20197 years, 2 months old
- Expires
- 01 Aug 2028Expires in 656 days
- Last updated
- 15 Aug 2025
- DNSSEC
- Unsigned
- Abuse email
- abuse@namecheap.com
- Abuse phone
- +1.6613102107
Status
Nameservers
3 nameservers- blue.foundationdns.com
- blue.foundationdns.net
- blue.foundationdns.org
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