Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rsi.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 05:20:27 UTC · ↺ Refresh
MX Hostnames
- rsi-edu.mail.protection.outlook.com
MX Priorities
- rsi-edu.mail.protection.outlook.com: 1
A / AAAA Records
- 172.67.141.43 (no PTR)
- 104.21.33.45 (no PTR)
- 2606:4700:3030::6815:212d
- 2606:4700:3035::ac43:8d2b
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
aryanna.ns.cloudflare.com dns.cloudflare.com 2399362823 10000 2400 604800 1800
Primary NS (mname)
aryanna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399362823
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
aryanna.ns.cloudflare.com
nico.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:63.150.45.220 ip4:206.128.138.61 ip4:159.65.229.114 include:spf.protection.outlook.com include:sendgrid.net include:spf.mandrillapp.com include:spf.us.exclaimer.net include:mailgun.org ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
11 records- dar7qhamct0o8ntc4ovjjjsraa
- e072melq8sitab6ef3t12s68nk
- facebook-domain-verification=dzrycdh368xwu71pj7ab71ricdk6al
- fd7o336osg5dl3bg9jejofvgqu
- google-site-verification=8toldIzS52fmvY9rqFTVki4Vr795Bfy-J4KBJpW1s2g
- knowbe4-site-verification=897074106a7a7a66692833f74d1d5f38
- pardot837353=5eaa08fe07de125e3722782c76f049b26004c6d918cef015d8f01e6af7272469
- rcv7bd37eokt77r39luicfgugp
- SPFv=spf1 a mx ip4:63.150.45.220 ip4:206.128.138.61 ip4:159.65.229.114 include:spf.protection.outlook.com include:sendgrid.net include:spf.mandrillapp.com include:spf.us.exclaimer.net include:mailgun.org ~all
- zyqVmW5S442e5+qhANka7PnLLMsBoBFD7uvtynhacAu9aqJ6zcEGgUL1/IV1eWSEbrIq59fs/jWNRqjezPYFNg==
- brevo-code:844ddf5d1bdcdacfab22f8022ea26f4d
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