jru.edu

Valid Email Server
Domain Lookup › jru.edu

Domain Overview

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

Checked via [email protected] · 2026-03-20 23:26:33 UTC · ↺ Refresh

MX Hostnames

  • ASPMX.L.GOOGLE.COM
  • ASPMX5.GOOGLEMAIL.COM
  • ALT2.ASPMX.L.GOOGLE.COM
  • ASPMX2.GOOGLEMAIL.COM
  • ASPMX3.GOOGLEMAIL.COM
  • ASPMX4.GOOGLEMAIL.COM
  • ALT1.ASPMX.L.GOOGLE.COM

MX Priorities

  • aspmx4.googlemail.com: 50
  • aspmx5.googlemail.com: 50
  • alt1.aspmx.l.google.com: 25
  • aspmx2.googlemail.com: 50
  • aspmx.l.google.com: 10
  • aspmx3.googlemail.com: 50
  • alt2.aspmx.l.google.com: 25

A / AAAA Records

  • 216.92.24.250 ↩ jru.edu

Mail Server IPs

  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net

SOA Record

Raw SOA dns.pair.com root.pair.com 2026010704 3600 300 604800 3600
Primary NS (mname)
dns.pair.com
Admin Email (rname)
root@pair.com
Serial
2026010704
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns7.ns0.com
dns.pair.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:webmail.pair.com include:relay.pair.com include:pairlist.com a:www2.g5.pair.com a:mail1.g5.pair.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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

1 record
  • SPFv=spf1 include:webmail.pair.com include:relay.pair.com include:pairlist.com a:www2.g5.pair.com a:mail1.g5.pair.com ~all
Full email verification for jru.edu

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits