Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
csupueblo.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 06:45:40 UTC · ↺ Refresh
MX Hostnames
- csupueblo-edu.mail.protection.outlook.com
MX Priorities
- csupueblo-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 96.45.82.157 ↩ redirection.dnsmadeeasy.com
- 96.45.83.13 ↩ redirection.dnsmadeeasy.com
- 96.45.83.253
- 96.45.82.51
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010359 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010359
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns1.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns0.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a:csupueblo.edu include:spf.protection.outlook.com include:spf-spamcanners.colostate.edu ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- google-site-verification=rRXbiikHEdkKqLIlgxAuIbp424iLrurxWR-T2af7LFI
- LqLzmNJD70Z2snuetZUQEJx6uunD/ZZ7keu4gZhTW+Q=.
- 0ed1fe018a403aacc329c5407bbf9e2533b4dda944
- SPFv=spf1 mx a:csupueblo.edu include:spf.protection.outlook.com include:spf-spamcanners.colostate.edu ~all
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