leadingcenters.com

Valid Email Server
Domain Lookup › leadingcenters.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 14:41:01 UTC · ↺ Refresh

MX Hostnames

  • ALT4.ASPMX.L.GOOGLE.com
  • mx.zoho.eu
  • ASPMX.L.GOOGLE.com
  • ALT2.ASPMX.L.GOOGLE.com
  • ALT3.ASPMX.L.GOOGLE.com
  • mx3.zoho.eu
  • ALT1.ASPMX.L.GOOGLE.com
  • mx2.zoho.eu

MX Priorities

  • alt4.aspmx.l.google.com: 10
  • mx3.zoho.eu: 50
  • mx.zoho.eu: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • alt3.aspmx.l.google.com: 10
  • mx2.zoho.eu: 20
  • aspmx.l.google.com: 1

A / AAAA Records

  • 88.99.101.251 ↩ redirect.checkdomain.de
  • 2a01:4f8:221:11cd:9734:4c26:6044:5f33 ↩ redirect.checkdomain.de

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 185.230.212.166 ↩ mx2.zoho.eu
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA ns.checkdomain.de hostmaster.checkdomain.de 2026030208 40000 7200 604800 300
Primary NS (mname)
ns.checkdomain.de
Admin Email (rname)
hostmaster@checkdomain.de
Serial
2026030208
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.checkdomain.de
ns.checkdomain.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:eu-sender.zohosubscriptions.com include:eu.zcsend.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

3 records
  • google-site-verification=oZWBBDn73uhxwZReT5Nse3X_O4WzFyMgOZSDQr29acI
  • zoho-verification=zb38454948.zmverify.zoho.eu
  • SPFv=spf1 include:_spf.google.com include:eu-sender.zohosubscriptions.com include:eu.zcsend.net ~all
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 leadingcenters.com

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

No credit card required
Get 1,000 Free Credits