Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clarkssummitu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:25:52 UTC · ↺ Refresh
MX Hostnames
- clarkssummitu-edu.mail.protection.outlook.com
MX Priorities
- clarkssummitu-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 35.212.13.212 ↩ 212.13.212.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
mns01.domaincontrol.com dns.jomax.net 2025071542 28800 7200 604800 600
Primary NS (mname)
mns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025071542
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
mns02.domaincontrol.com
mns01.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:107.91.35.56 ip4:50.205.122.142 include:spf.protection.outlook.com include:spf.constantcontact.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; ri= 86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- 0Kz4HOjRj1o9wjsuccvlvZZGb2Ci/F0uirp3vTs51W+ShWnfNFjuXyR5Eik60IO8TU2W3dvkXBPs6y6gkM7xsw==
- MS=ms16006812
- google-site-verification=Hl3xcNS07ijKKtjPsXqfhZ4jRwSstsLy0i9V4umwwTk
- google-site-verification=CIlWdv7b6iHYyGaITfUO-KSDC2fjvIRzHs6DLarzZlY
- SPFv=spf1 ip4:107.91.35.56 ip4:50.205.122.142 include:spf.protection.outlook.com include:spf.constantcontact.com -all
- bw=4cWdhDuIf5o9ibf/wZnkZozLU5yJLxmP73eJMDuWkket
- atlassian-domain-verification=0GCtpdPjAONH17A2Ot2M2sgvTyN2par7x2puF3Ywzhx5ViaHKS7bf0vZzGpVije6
- b8h1ia7il078sjl275pbcjirkd
- k0jm6k5bqio7c553paphj3tb74
- jrm4ChmE
- google-site-verification=FdG3w8nkiG7ZwlNEXngNyXyzYtAMf0VIZlL_EeSMZ8g
- apple-domain-verification=YnzMM9vKCwMZMLba
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