shuttle.dev

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
shuttle.dev
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 16:40:25 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 216.150.1.1 (no PTR)

Mail Server IPs

  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 142.251.167.26 ↩ ww-in-f26.1e100.net
  • 142.251.167.27 ↩ ww-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net

SOA Record

Raw SOA ns-158.awsdns-19.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-158.awsdns-19.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-792.awsdns-35.net
ns-1118.awsdns-11.org
ns-158.awsdns-19.com
ns-2023.awsdns-60.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; adkim=s; aspf=r; fo=0; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._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
  • hcp-domain-verification=54c4a2cc3a70967a5135086f22f87baf01ad587f055926a724df68a8c49d9954
  • slack-domain-verification=aF9CcSdHeU1f7NBw5cuvOC7bx6gU89upDmtoGs6n
  • stripe-verification=473EF2E32DA93668E4709664D076A0E5BD39FF70B2D3BCF7EC3871D62BC8E8DF
  • stripe-verification=626e396a02babd74e4fcc809deee55f7eccc35b99a52e11a179d1aa93d32e93d
  • SPFv=spf1 include:_spf.google.com ~all
  • google-site-verification=RRjZnPmiG0c42AAINZ1WfJMYe3sKDy--owbuLa057YU
  • google-site-verification=wwpdGnHMxmZGrjNzfMea20lG0BkUUgoUDIdnxhorlAA
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