Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jcsu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 11:38:40 UTC · ↺ Refresh
MX Hostnames
- jcsu-edu.mail.protection.outlook.com
MX Priorities
- jcsu-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 23.185.0.3 (no PTR)
- 2620:12a:8001::3 (no PTR)
- 2620:12a:8000::3
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
msw2k22ns06.jcsu.edu hostmaster.ncren.net 2025121801 600 180 1209600 14400
Primary NS (mname)
msw2k22ns06.jcsu.edu
Admin Email (rname)
hostmaster@ncren.net
Serial
2025121801
Refresh
600s
Retry
180s
Expire
1209600s
Minimum TTL
14400s
Nameservers (NS)
ns-02.mcnc.org
ns-01.mcnc.org
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:198.86.242.0/24 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
18 records- _globalsign-domain-verification=6-xEqQBCXJhFMXk8_k-LytuxWMXrEmH9FgOk_Y-ySC
- globalsign-domain-verification=I87sxVRahui56fqSELlZVYRs_I8HwPwwEVpsO_gfP2
- 7ZFaoE63IFTA+SjC+cYBXF3TaOfAPKNO5j1Q4r/FMIURRgyOU3zq6Kvnhboj9boDjCcLsaSO3xSFJnZCvHQ6YA==
- _globalsign-domain-verification=Id8MIzZAt0xcBbyx4dpyJsEG-2taPBgUQWBEY0D5Ei
- docusign=c3dd885c-9280-4510-8c23-5ef6f35a1d7e
- Mt65dRecsKnVA+M56WPicEWrfJYjmdyoxKQ4/PGkbYSbfm1O57UpnEml36oYDMqYhmy+WYKw9rrSSa5nwy83wQ==
- _globalsign-domain-verification=hqS5WtAOsFgH8q8bGEhRSg1bIcK5YNEzcBQXg5C9sX
- google-site-verification=ywJe7BrmRaAE-Pu9xEWOQdFp9GzIoDARdwwl0fRX488
- _globalsign-domain-verification=M4asbW7j3et4wcb4cmHz6abwt_91eB3B7rnQIm5_8I
- 31YVKU3NVZ26JYYGH7E8822T5PHMFUAT64A50PRA
- google-site-verification=aa6GXSgglhpzXY599gVLzerUVdmN9-3ia7DzY8D2FkQ
- MS=ms29486802
- SPFv=spf1 mx ip4:198.86.242.0/24 include:spf.protection.outlook.com -all
- apple-domain-verification=AvXBEfABTaHtwlW7
- facebook-domain-verification=0zh23o5jmtmat5n2i6wr8wkwx33tt5
- jjf0cpv34pl5fs0imuijibbqqu
- docusign=7fc6abf6-4cfa-4b54-a46a-5bf0e25ff0c1
- rhh322h4i9041lh5sr0cnirr9v
Full email verification for jcsu.edu
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits