f6s.com

Valid Email Server
Domain Lookup › f6s.com

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
f6s.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 05:18:07 UTC · ↺ Refresh

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MX Hostnames

  • aspmx2.googlemail.com
  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 20
  • alt2.aspmx.l.google.com: 30
  • aspmx2.googlemail.com: 40
  • aspmx3.googlemail.com: 50
  • aspmx.l.google.com: 10

A / AAAA Records

  • 18.164.96.82 ↩ server-18-164-96-82.jfk50.r.cloudfront.net
  • 18.164.96.46 ↩ server-18-164-96-46.jfk50.r.cloudfront.net
  • 18.164.96.40 ↩ server-18-164-96-40.jfk50.r.cloudfront.net
  • 18.164.96.26

Mail Server IPs

  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 142.250.31.26 ↩ bj-in-f26.1e100.net
  • 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net

SOA Record

Raw SOA ns-170.awsdns-21.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-170.awsdns-21.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-170.awsdns-21.com
ns-1721.awsdns-23.co.uk
ns-673.awsdns-20.net
ns-1433.awsdns-51.org

SPF Record

✓ Strict (-all)
v=spf1 include:servers.mcsv.net include:sendgrid.net include:_spf.google.com include:fdspfeuc.freshemail.io include:2523872.spf01.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • 1password-site-verification=M2A7DRCWIVF57OC64ESYSCOIOQ
  • MS=ms62827527
  • ahrefs-site-verification_b39d042a94e87fc0709598ce6f05b819b74b55b7d19cd5b92fe7d820e42bf071google-site-verification=_QCbec5vmQ-7sf3ix_caL8iVmSa0c9ICDDoRAv_vmoA
  • cursor-domain-verification-2y2hgp=2u8baFJocpJzZenACmmP7E8RM
  • google-site-verification=dmz3oZAkD_jA1i61ywQMJuuPVkzMoVkZuHUrbreYAzA
  • google-site-verification=oJRfrcrBhEO2KcHwJKKuXmEoWL6JzkudglzQtEv5RK4
  • SPFv=spf1 include:servers.mcsv.net include:sendgrid.net include:_spf.google.com include:fdspfeuc.freshemail.io include:2523872.spf01.hubspotemail.net -all
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