keystonecontracts.net

Valid Email Server
Domain Lookup › keystonecontracts.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
keystonecontracts.net
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 00:24:33 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 35.214.106.194 ↩ 194.106.214.35.bc.googleusercontent.com

Mail Server IPs

  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
  • 142.251.179.27 ↩ pd-in-f27.1e100.net
  • 142.251.179.26 ↩ pd-in-f26.1e100.net
  • 64.233.180.27 ↩ on-in-f27.1e100.net
  • 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
  • 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net

SOA Record

Raw SOA ns01.one.com hostmaster.one.com 2026022607 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026022607
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns01.one.com
ns02.one.com

SPF Record

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

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

3 records
  • SPFv=spf1 include:_spf.google.com ~all
  • apple-domain-verification=6JZppT2Hv3FTtKXh
  • google-site-verification=Pn8Yo7JJj_jF3Y-loe6pHkdgFaBUH6fWl_uB58OaZ1Y
Full email verification for keystonecontracts.net

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits