Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
weillcornell.org
Yes
✓ Yes
Amazon SES
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 13:55:35 UTC · ↺ Refresh
MX Hostnames
- inbound-smtp.us-east-1.amazonaws.com
MX Priorities
- inbound-smtp.us-east-1.amazonaws.com: 10
A / AAAA Records
- 23.185.0.4 (no PTR)
- 2620:12a:8000::4 (no PTR)
- 2620:12a:8001::4 (no PTR)
Mail Server IPs
- 44.206.9.87 ↩ ec2-44-206-9-87.compute-1.amazonaws.com
- 44.210.166.32 ↩ ec2-44-210-166-32.compute-1.amazonaws.com
- 3.211.210.226 ↩ ec2-3-211-210-226.compute-1.amazonaws.com
- 54.197.5.236 ↩ ec2-54-197-5-236.compute-1.amazonaws.com
- 54.164.173.191 ↩ ec2-54-164-173-191.compute-1.amazonaws.com
SOA Record
Raw SOA
york-iblxext1.med.cornell.edu please_set_email.absolutely.nowhere 649 10800 3600 604800 86400
Primary NS (mname)
york-iblxext1.med.cornell.edu
Admin Email (rname)
please_set_email@absolutely.nowhere
Serial
649
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
york-iblxext1.med.cornell.edu
azr-iblxext1.med.cornell.edu
lex-iblxext1.med.cornell.edu
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo 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
No TXT records found.
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