aicr-edu.org

Valid Email Server
Domain Lookup › aicr-edu.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
aicr-edu.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 23:46:07 UTC · ↺ Refresh

MX Hostnames

  • mx2.supremebox.com
  • mx1.supremebox.com

MX Priorities

  • mx1.supremebox.com: 10
  • mx2.supremebox.com: 10

A / AAAA Records

  • 162.210.102.63 (no PTR)

Mail Server IPs

  • 198.23.53.39 ↩ mx1.supremebox.com
  • 198.23.53.42 ↩ mx2.supremebox.com
  • 198.23.53.116 ↩ mx2.supremebox.com

SOA Record

Raw SOA dns1.supremedns.com root.us.cloudlogin.co 1426849408 28800 7200 604800 86400
Primary NS (mname)
dns1.supremedns.com
Admin Email (rname)
root@us.cloudlogin.co
Serial
1426849408
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns4.supremedns.com
dns1.supremedns.com
dns3.supremedns.com
dns2.supremedns.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

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

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

All TXT Records

2 records
  • google-site-verification=t23CoE1WU_JII420Dk3xP1zOfwgb_hxowdyLLlgJc9c
  • MS=ms43289142
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