ptc.edu

Valid Email Server
Domain Lookup › ptc.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ptc.edu
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 21:10:39 UTC · ↺ Refresh

MX Hostnames

  • barracuda.ptc.edu

MX Priorities

  • barracuda.ptc.edu: 1

A / AAAA Records

  • 104.18.21.214 (no PTR)
  • 104.18.20.214 (no PTR)
  • 2606:4700::6812:15d6 (no PTR)
  • 2606:4700::6812:14d6 (no PTR)

Mail Server IPs

  • 199.4.143.205 (no PTR)
  • 199.4.143.147 (no PTR)

SOA Record

Raw SOA sid.ns.cloudflare.com dns.cloudflare.com 2399279205 10000 2400 604800 1800
Primary NS (mname)
sid.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399279205
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sid.ns.cloudflare.com
teagan.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:199.4.143.205 ip4:199.4.143.4 include:spf.protection.outlook.com include:a._spf.brightspace.com include:_spf.google.com include:_spf.elasticemail.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate 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

9 records
  • ZOOM_verify_XG6eAXo_SYqz8I6SasEB-w
  • adobe-idp-site-verification=e27f26fe762fbb33d94a7dc617f5897c88f080d2777450be7dd261126f798fbb
  • apple-domain-verification=UGSu6ploppSGEhYD
  • ciscocidomainverification=1003fe321bea009339d5de32e42464244635cdc0aa9a7546c59693ab583258a6
  • mjiobnn87tuvkg1in75i8vgjt3
  • pkq1admki7h64bu1004ckhkmt5
  • SPFv=spf1 a mx ip4:199.4.143.205 ip4:199.4.143.4 include:spf.protection.outlook.com include:a._spf.brightspace.com include:_spf.google.com include:_spf.elasticemail.com include:spf.mandrillapp.com ~all
  • 594fms4h7jnj7hvsjs3m9u0967
  • MS=76E89B4455DA6E92E2A7E1BE845A28BF81426BCE
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