corptx.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
corptx.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 16:47:56 UTC · ↺ Refresh

MX Hostnames

  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • mail.gruposi.com
  • aspmx2.googlemail.com
  • aspmx3.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx5.googlemail.com
  • aspmx4.googlemail.com

MX Priorities

  • aspmx3.googlemail.com: 30
  • aspmx4.googlemail.com: 30
  • aspmx5.googlemail.com: 30
  • mail.gruposi.com: 40
  • aspmx.l.google.com: 1
  • alt1.aspmx.l.google.com: 20
  • alt2.aspmx.l.google.com: 20
  • aspmx2.googlemail.com: 30

A / AAAA Records

  • 3.234.60.177 ↩ ec2-3-234-60-177.compute-1.amazonaws.com
  • 54.227.121.89

Mail Server IPs

  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 200.125.191.82 ↩ tech.vedantek.com
  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1774783972 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1774783972
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns1.registrar-servers.com
dns2.registrar-servers.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: 216 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

2 records
  • SPFv=spf1 include:_spf.google.com ~all
  • google-site-verification=oTClu3AUD-cjic54JKWfnFGOiyHGFL02XZfZwovjPKk
Full email verification for corptx.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits