u.rochester.edu

Valid Email Server
Domain Lookup › u.rochester.edu

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
u.rochester.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-19 02:17:13 UTC · ↺ Refresh

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MX Hostnames

  • ppmx7.its.rochester.edu
  • ppmx4.its.rochester.edu
  • ppmx2.its.rochester.edu
  • ppmx5.its.rochester.edu
  • ppmx1.its.rochester.edu
  • ppmx6.its.rochester.edu
  • ppmx3.its.rochester.edu
  • ppmx8.its.rochester.edu

MX Priorities

  • ppmx2.its.rochester.edu: 10
  • ppmx3.its.rochester.edu: 10
  • ppmx4.its.rochester.edu: 10
  • ppmx5.its.rochester.edu: 10
  • ppmx6.its.rochester.edu: 10
  • ppmx7.its.rochester.edu: 10
  • ppmx8.its.rochester.edu: 10
  • ppmx1.its.rochester.edu: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 128.151.57.242 ↩ ppmx2.its.rochester.edu
  • 128.151.57.243 ↩ ppmx3.its.rochester.edu
  • 128.151.57.244 ↩ ppmx4.its.rochester.edu
  • 128.151.24.33 ↩ ppmx5.its.rochester.edu
  • 128.151.24.34 ↩ ppmx6.its.rochester.edu

SOA Record

Raw SOA ns1.net.rochester.edu postmaster.rochester.edu 2008071183 10800 3600 2592000 900
Primary NS (mname)
ns1.net.rochester.edu
Admin Email (rname)
postmaster@rochester.edu
Serial
2008071183
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s

Nameservers (NS)

ns-external2.rochester.edu
ns-external1.rochester.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

4 records
  • canva-site-verification=9gy8F6o9O3z2ZI_Wiu853g
  • SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
  • ZOOM_verify_tVu8bmXoRGOb7jpRhUbPkk
  • smartsheet-site-validation=KoGdotvfIPscKrw8Udntjhx8lOpxpBvO
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