Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kettering.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 22:25:45 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx3.googlemail.com
- alt1.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- aspmx3.googlemail.com: 10
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- aspmx2.googlemail.com: 10
A / AAAA Records
- 23.185.0.4
- 2620:12a:8000::4
- 2620:12a:8001::4
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns1.kettering.edu hostmaster.kettering.edu 2026031700 3600 1800 604800 3600
Primary NS (mname)
ns1.kettering.edu
Admin Email (rname)
hostmaster@kettering.edu
Serial
2026031700
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.merit.net
ns1.kettering.edu
ns2.kettering.edu
dns1.merit.net
dns3.merit.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.kettering.edu exists:%{i}._spf.mta.salesforce.com include:spf.protection.outlook.com include:spf.elluciancloud.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
5 records- facebook-domain-verification=y7cj2o12hn7m7a6h74fv0lr46ncnih
- _globalsign-domain-verification=2VzjdK6NDSQuXn6_RoV_RwTa041kL2IWq1f7Ip6BME
- google-site-verification=0eVKljgKaDlZYHRp7Q-v-LoDKVo9O48vC3Xs5BGQM-4
- SPFv=spf1 include:_spf.google.com include:_spf.kettering.edu exists:%{i}._spf.mta.salesforce.com include:spf.protection.outlook.com include:spf.elluciancloud.com -all
- zoho-verification=zb52719125.zmverify.zoho.com
Full email verification for kettering.edu
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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