Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
alumni.chicagobooth.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 22:40:51 UTC · ↺ Refresh
MX Hostnames
- ALT1.ASPMX.L.GOOGLE.COM
- ASPMX3.GOOGLEMAIL.COM
- ASPMX2.GOOGLEMAIL.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ASPMX.L.GOOGLE.COM
MX Priorities
- aspmx3.googlemail.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- aspmx2.googlemail.com: 10
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 128.135.211.104 ↩ chicagobooth.uchicago.edu
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Strict (-all)
v=spf1 include:mktomail.com include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 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
2 records- google-site-verification=R6ix3ORIvSg8toleJO5T_N1nVpx-MA5zv3EfT1fXSfc
- SPFv=spf1 include:mktomail.com include:_spf.google.com -all
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