Domain Intelligence Report

fly.io

DNS records, WHOIS/RDAP registration, SSL certificate, subdomain enumeration, and email-security posture — aggregated in real time and cached.

6
DNS record types
82d
SSL cert remaining
23
Subdomains found
SPF + DMARC
Email security
DNS

DNS Records

All record types resolved from authoritative DNS for fly.io.

A 1 record
  • 37.16.18.81
AAAA 1 record
  • 2a09:8280:1::a:791
MX 5 records
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
  • 1 aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
TXT 9 records
  • "google-site-verification=OArdonQ-wgkSCtiZm8ot2oLIgorR5PS_r8mBIf2xGdE"
  • "status-page-domain-verification=45m41jq1lznf"
  • "stripe-verification=8590be7414624f53382d4049d11f21b2e40b1fcd6a9c13ebee6e945cf61d4871"
  • "v=spf1 include:_spf.google.com include:helpscoutemail.com include:stspg-customer.com ~all"
  • "03D3122BDC"
  • "_6qhz8a8hhmv7vx0gk9eylqv9k240wu9"
  • "apple-domain-verification=mIsxYwEIYJeZOCwgSgclXPauTY3vXMKf8r6t8TGhEq4"
  • "google-site-verification=379cCwTcRnv9DSPgO7yVqbpcdQwGQFJ2I8YS_KLGhp0"
  • "google-site-verification=6-4NGHVsimTGK74KKPge726I27PuLMhCiUds9tsweGU"
NS 4 records
  • ns1077.hosted.flydns.net.
  • ns1970.hosted.flydns.net.
  • ns479.hosted.flydns.net.
  • ns967.hosted.flydns.net.
SOA 1 record
  • ns479.hosted.flydns.net. ops.fly.io. 1 7200 900 1209600 86400
Registration

WHOIS / RDAP

Registration data for fly.io via the RDAP protocol, with port-43 WHOIS fallback if RDAP is unavailable.

whois via fallback:https://rdap.identitydigital.services/rdap/
Registrar
MarkMonitor Inc.
Created
2004-07-15T00:57:21Z
Updated
2025-11-13T19:09:01.651Z
Expires
2033-07-15T00:57:21Z
Nameservers
ns479.hosted.flydns.netns967.hosted.flydns.netns1077.hosted.flydns.netns1970.hosted.flydns.net
Status
client delete prohibitedclient transfer prohibitedclient update prohibited
TLS

SSL Certificate

Live TLS handshake against fly.io. No third-party scanner.

ssl 82 days remaining
Issuer
CN=E8,O=Let's Encrypt,C=US
Subject
CN=fly.io
Valid from
2026-05-05T11:21:27+00:00
Valid to
2026-08-03T11:21:26+00:00
Serial
477953182770395627733537017675393494088359
SANs (1)
fly.io
Reconnaissance

Subdomains discovered

Aggregated from Certificate Transparency logs (crt.sh, certspotter, hackertarget) with DNS bruteforce fallback if all CT sources fail.

⚠ Partial results — crt.sh status 502 · hackertarget limited: API count exceeded - Increase Quota with Membership
subdomains 23 found
crt.sh status 502 certspotter ok +23 hackertarget limited: API count exceeded - Increase Quota with Membership
  • analytics.fly.io
  • api.fly.io
  • app.fly.io
  • auth.fly.io
  • community.fly.io
  • docker-hub-mirror.fly.io
  • email.e.fly.io
  • email.mg.fly.io
  • fly.io
  • go.email.fly.io
  • go.news.fly.io
  • go.updates.fly.io
  • oidc.fly.io
  • portal.fly.io
  • registry-iad.fly.io
  • registry.fly.io
  • registry2.fly.io
  • registry3.fly.io
  • sso.fly.io
  • status.fly.io
  • tokenizer.fly.io
  • web.fly.io
  • www.fly.io
Email

Email Security Posture

SPF and DMARC presence and records for fly.io. DKIM requires a known selector and is not auto-discoverable.

SPF present
  • v=spf1 include:_spf.google.com include:helpscoutemail.com include:stspg-customer.com ~all
DMARC present
  • v=DMARC1; p=quarantine; sp= quarantine; rua=mailto:re+7e0d8e1047ca@inbound.dmarcdigests.com; ruf=mailto:ruf@fly.io; pct=100
DKIM selector required

DKIM requires selector; not auto-discoverable

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