gcexpress.mx

Valid Email Server
Domain Lookup › gcexpress.mx

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gcexpress.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 23:46:52 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 44.237.70.218 ↩ ec2-44-237-70-218.us-west-2.compute.amazonaws.com

Mail Server IPs

  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 142.251.16.27 ↩ bl-in-f27.1e100.net
  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 142.251.111.27 ↩ bk-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net

SOA Record

Raw SOA ns-1976.awsdns-55.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1976.awsdns-55.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-355.awsdns-44.com
ns-739.awsdns-28.net
ns-1435.awsdns-51.org
ns-1976.awsdns-55.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:zcsend.net include:_spf.riege.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

2 records
  • google-site-verification=DkYWR7OR1YjCF7wkn_orpMZ3c8UePQOXEzWlnecAPmk
  • SPFv=spf1 include:spf.protection.outlook.com include:zcsend.net include:_spf.riege.com -all
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