ptwww.com

Valid Email Server
Domain Lookup › ptwww.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ptwww.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 07:47:46 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • us-smtp-inbound-2.mimecast.com

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 20
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 141.193.213.10 (no PTR)
  • 141.193.213.11 (no PTR)

Mail Server IPs

  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA ns27.worldnic.com namehost.worldnic.com 125120119 10800 3600 604800 3600
Primary NS (mname)
ns27.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125120119
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns28.worldnic.com
ns27.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_netblocks.mimecast.com include:spf.constantcontact.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; adkim=s; fo=0:1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

9 records
  • duo_sso_verification=GgGzkPpK5Z5GOA3jqQaqwgp8xCZFYyP6PUoD7RPhfwdmLkWUgATm8wnpElF9Asnx
  • g3tq2ghoccdav8fl0aagj2od1i
  • MS=ms35703027
  • 8vfu2s4s83jq50krh5cal40sci.
  • h68r1sb2h6lc765pn6l2kt04ln
  • MS=90ADD8473156D2B057B3A56AE43623FAA2ECE2DA
  • SPFv=spf1 include:_netblocks.mimecast.com include:spf.constantcontact.com ~all
  • qavegb88banetn4a7l55bp7khg
  • 31jcogbku7mdfgctcej9gvu9u6
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 ptwww.com

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

No credit card required
Get 1,000 Free Credits