Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rccc.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 07:47:12 UTC · ↺ Refresh
MX Hostnames
- rccc-edu.mail.protection.outlook.com
MX Priorities
- rccc-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 13.248.251.6 ↩ ace809251fa26419f.awsglobalaccelerator.com
- 99.83.132.153 ↩ ace809251fa26419f.awsglobalaccelerator.com
Mail Server IPs
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-01.mcnc.org hostmaster.ncren.net 2026021900 14400 3600 1209600 14400
Primary NS (mname)
ns-01.mcnc.org
Admin Email (rname)
hostmaster@ncren.net
Serial
2026021900
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
14400s
Nameservers (NS)
ns-02.mcnc.org
ns-01.mcnc.org
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:198.85.212.55 ip4:198.21.1.32 ip4:207.200.20.66 ip4:74.122.104.0/22 ip4:66.57.143.24 ip4:204.116.166.143 ip4:198.187.196.0/24 include:mailgun.org include:spf.protection.outlook.com include:_spf.salesforce.com include:mh.blackboard.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- adobe-idp-site-verification=5ed82ef8daaac550b2f76bf6b62da105f2c3026553995e4c50fad76f2445d47f
- apple-domain-verification=4RsccQUciFS8oC3w
- apple-domain-verification=E6m3bCSLwCivfVyn
- apple-domain-verification=oiex2pn0lXaka0eZ
- SPFv=spf1 ip4:198.85.212.55 ip4:198.21.1.32 ip4:207.200.20.66 ip4:74.122.104.0/22 ip4:66.57.143.24 ip4:204.116.166.143 ip4:198.187.196.0/24 include:mailgun.org include:spf.protection.outlook.com include:_spf.salesforce.com include:mh.blackboard.com ~all
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