Domain · Tranco #28,229
fly.io
fly.io is ranked #28,229 among the world's most-visited sites (Tranco). It resolves to 37.16.18.81, hosted on ip-37-16-18-81.customer.flyio.net, and presents a TLS certificate issued by Let's Encrypt.
HTTP 200| Tranco rank | #28,229 |
|---|---|
| IPv4 | 37.16.18.81 |
| IPv6 | 2a09:8280:1::a:791 |
| Hosting / reverse DNS | ip-37-16-18-81.customer.flyio.net |
| Hosting network | AS40509 · FLY - Fly.io, Inc., US |
| Nameservers | ns1077.hosted.flydns.net, ns1970.hosted.flydns.net, ns479.hosted.flydns.net, ns967.hosted.flydns.net |
| Mail servers (MX) | aspmx.l.google.com (1), alt1.aspmx.l.google.com (5), alt2.aspmx.l.google.com (5) |
| HTTP status | 200 |
| Web server | Fly/2fa70e089 (2026-08-03) |
| Page title | Computers for agents · Fly |
| Detected tech | Fly/2fa70e089 (2026-08-03) |
| TLS certificate | Let's Encrypt · expires 2026-10-02 |
Notable DNS TXT records
google-site-verification=379cCwTcRnv9DSPgO7yVqbpcdQwGQFJ2I8YS_KLGhp0status-page-domain-verification=45m41jq1lznfgoogle-site-verification=OArdonQ-wgkSCtiZm8ot2oLIgorR5PS_r8mBIf2xGdEstripe-verification=8590be7414624f53382d4049d11f21b2e40b1fcd6a9c13ebee6e945cf61d4871v=spf1 include:_spf.google.com include:helpscoutemail.com include:stspg-customer.com ~allapple-domain-verification=mIsxYwEIYJeZOCwgSgclXPauTY3vXMKf8r6t8TGhEq4
More .io domains
FAQ
What is the IP address of fly.io?
fly.io resolves to 37.16.18.81 (ip-37-16-18-81.customer.flyio.net).
Who issued the SSL certificate for fly.io?
The TLS/SSL certificate for fly.io was issued by Let's Encrypt, valid until 2026-10-02.
Own a business online?
Mewayz gives your business a website, bookings, POS, payroll and CRM in one platform — no card required.
Start free on Mewayz →DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains