nsbasic.com

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
nsbasic.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 21:55:27 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

  • in1-smtp.messagingengine.com
  • in2-smtp.messagingengine.com

MX Priorities

  • in1-smtp.messagingengine.com: 10
  • in2-smtp.messagingengine.com: 20

A / AAAA Records

  • 216.92.217.146

Mail Server IPs

  • 103.168.172.221 ↩ phl-mx-06.messagingengine.com
  • 103.168.172.222 ↩ phl-mx-07.messagingengine.com
  • 103.168.172.223 ↩ phl-mx-08.messagingengine.com
  • 103.168.172.216 ↩ phl-mx-01.messagingengine.com
  • 103.168.172.217 ↩ phl-mx-02.messagingengine.com
  • 103.168.172.218 ↩ phl-mx-03.messagingengine.com
  • 103.168.172.219 ↩ phl-mx-04.messagingengine.com
  • 103.168.172.220 ↩ phl-mx-05.messagingengine.com
  • 202.12.124.216 ↩ stl-mx-01.messagingengine.com
  • 202.12.124.217 ↩ stl-mx-02.messagingengine.com
  • 202.12.124.218
  • 202.12.124.219

SOA Record

Raw SOA dns.pair.com root.pair.com 2025101714 3600 300 604800 3600
Primary NS (mname)
dns.pair.com
Admin Email (rname)
root@pair.com
Serial
2025101714
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns.pair.com
ns7.ns0.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.messagingengine.com include:amazonses.com include:spf.mandrillapp.com include:sparkpostmail.com include:spf.discoursehosting.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • SPFv=spf1 include:spf.messagingengine.com include:amazonses.com include:spf.mandrillapp.com include:sparkpostmail.com include:spf.discoursehosting.com -all
  • MS=ms51486449
  • google-site-verification=EMfA6qRTHjC0Ty-woqLQuLL5W3C2zpiM63WhMhxc7Xo
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 nsbasic.com

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

No credit card required
Get 1,000 Free Credits