Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rsd.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 18:50:39 UTC · ↺ Refresh
MX Hostnames
- rsd-edu.mail.protection.outlook.com
MX Priorities
- rsd-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns03.domaincontrol.com dns.jomax.net 2026011200 28800 7200 1209600 600
Primary NS (mname)
pdns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026011200
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
pdns04.domaincontrol.com
pdns03.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:216.186.24.126 ip4:216.83.185.44 ip4:152.157.6.8 ip4:164.116.19.26 ip4:192.206.201.53 ip4:152.157.6.11 ip4:70.36.20.116 ip4:67.23.62.36 ip4:67.23.61.36 ip4:208.64.181.100 ip4:205.237.106.3 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- autodesk-domain-verification=AStpRJcInhZhp4oCRhbh
- SPFv=spf1 ip4:216.186.24.126 ip4:216.83.185.44 ip4:152.157.6.8 ip4:164.116.19.26 ip4:192.206.201.53 ip4:152.157.6.11 ip4:70.36.20.116 ip4:67.23.62.36 ip4:67.23.61.36 ip4:208.64.181.100 ip4:205.237.106.3 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:_spf.google.com ~all
- 43r9avepuntp906u44hhmgefaq
- qjpqjn45press7d5r0e6177ljf
- cl0eejphub224kt6qd9ndfdvem
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