lexter.ai

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
lexter.ai
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 01:56:51 UTC · ↺ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10

A / AAAA Records

  • 34.49.242.163

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.250.31.27 ↩ bj-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net

SOA Record

Raw SOA ns-144.awsdns-18.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-144.awsdns-18.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-144.awsdns-18.com
ns-1621.awsdns-10.co.uk
ns-864.awsdns-44.net
ns-1168.awsdns-18.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.firebasemail.com include:amazonses.com include:8374664.spf08.hubspotemail.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]

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

6 records
  • google-site-verification=VvbmQUPgYLOwR8Y3nzwqa0Q-sKpZCl9g4qGM1uhhiAM
  • google-site-verification=ZawZqPMoB1jgwiUfELjcWsZX0YPc3vQS6yW2Zs7gK3w
  • tiktok-developers-site-verification=dtaX06aSPXobj0tuZhL10x5mMEkqrKqd
  • SPFv=spf1 include:_spf.firebasemail.com include:amazonses.com include:8374664.spf08.hubspotemail.net ~all
  • MS=ms60473605
  • firebase=lexter-production
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for lexter.ai

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits