Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
cyber.harvard.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 12:34:43 UTC · ↺ Refresh
MX Hostnames
- smtp.cyber.harvard.edu
MX Priorities
- smtp.cyber.harvard.edu: 10
A / AAAA Records
- 128.103.64.74 ↩ ftp.cyber.harvard.edu
Mail Server IPs
- 128.103.64.104 ↩ smtp.berkman.harvard.edu
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:128.103.64.64/26 ?all
📊 DNS lookups: 2/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 mx a ip4:128.103.64.64/26 ?all
- google-site-verification=_WT-16izh8QSTQU02z6M9vGTiykqcDhxa3vG36c8Qjc
- anthropic-domain-verification-cxg79w=jjmdCkOfLhyDHNaLnuViRFEr7
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