sieti.mx

Valid Email Server
Domain Lookup › sieti.mx

Domain Overview

DNS: ✓ 15h ago Checker: ✓ 15h ago
sieti.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 14:42:50 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx.suantispam.com
  • fb.suantispam.com

MX Priorities

  • fb.suantispam.com: 20
  • mx.suantispam.com: 10

A / AAAA Records

  • 88.135.73.251 ↩ vps2.sieti.mx

Mail Server IPs

  • 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
  • 2001:550:2:61::2fc:100 (no PTR)

SOA Record

Raw SOA ns1.sieti.mx myadmin.sieti.mx 2026020601 10800 3600 1209600 10800
Primary NS (mname)
ns1.sieti.mx
Admin Email (rname)
myadmin@sieti.mx
Serial
2026020601
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s

Nameservers (NS)

ns1.sieti.mx
ns2.sieti.mx

SPF Record

✓ Strict (-all)
v=spf1 a mx a:mgw.suantispam.com a:mx.suantispam.com a:kmxo.suantispam.com include:spf.antispamcloud.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

4 records
  • _globalsign-domain-verification=kYUWJGiIV18nnOcNfQhE6vmJzACxV1Pjzyw2VJOeGP
  • SPFv=spf1 a mx a:mgw.suantispam.com a:mx.suantispam.com a:kmxo.suantispam.com include:spf.antispamcloud.com -all
  • google-site-verification=EblVtcKy9aYNN_AuDKYRmIUv764jPjx9DpGBfrhTC3o
  • _globalsign-domain-verification=FdTMxkkBlB7G8sUDqP7xPmgytmdNfd-hUTMoguZVNJ
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 · Customize →
See demo & docs
Deep verification
Full email verification for sieti.mx

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

No credit card required
Get 1,000 Free Credits