opschools.org

Valid Email Server
Domain Lookup › opschools.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
opschools.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 18:42:09 UTC · ↺ Refresh

MX Hostnames

  • miltonf2.wnyric.org
  • miltonf1.wnyric.org

MX Priorities

  • miltonf1.wnyric.org: 5
  • miltonf2.wnyric.org: 4

A / AAAA Records

  • 104.17.71.73 (no PTR)

Mail Server IPs

  • 168.169.12.50 ↩ miltonf1.wnyric.org
  • 168.169.12.52 ↩ miltonf2.wnyric.org

SOA Record

Raw SOA ns3.wnyric.org abuse.e1b.org 99 10800 3600 604800 300
Primary NS (mname)
ns3.wnyric.org
Admin Email (rname)
abuse@e1b.org
Serial
99
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns7.wnyric.org
ns3.wnyric.org
ns4.wnyric.org

SPF Record

✓ Strict (-all)
v=spf1 include:mailgun.org include:_spf.google.com include:_spf.bbnotify.net ip4:168.169.0.0/16 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 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

8 records
  • adobe-idp-site-verification=53dba4d20c4219cf818281e50a1182b12ef40145a97c7b0fb8d5c506425c6888
  • apple-domain-verification=YQULB2R0clBmVrE3
  • jamf-site-verification=eK3ed9iqaNooAf6flL3J1w
  • autodesk-domain-verification=37qPmqcb5Ps5rr3cM9dU
  • google-site-verification=Fp9ztCyNfZIlKkKxiCL34eb4qOYHfaBEs353GY516oY
  • MS=ms71856888
  • airtable-verification =1 cf2441668108be1a37cfb7f801a5620
  • SPFv=spf1 include:mailgun.org include:_spf.google.com include:_spf.bbnotify.net ip4:168.169.0.0/16 -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 opschools.org

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

No credit card required
Get 1,000 Free Credits