Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jjc.edu
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 02:37:45 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- mail.jjc.edu
- us-smtp-inbound-1.mimecast.com
MX Priorities
- mail.jjc.edu: 5
- us-smtp-inbound-2.mimecast.com: 0
- us-smtp-inbound-1.mimecast.com: 0
A / AAAA Records
- 52.87.65.167 ↩ ec2-52-87-65-167.compute-1.amazonaws.com
Mail Server IPs
- 216.125.170.70 ↩ mail.jjc.edu
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.illinois.net doit.icn.msa1hostmaster.illinois.gov 2026031300 10800 3600 604800 300
Primary NS (mname)
ns1.illinois.net
Admin Email (rname)
doit@icn.msa1hostmaster.illinois.gov
Serial
2026031300
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1.illinois.net
ns2.illinois.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=3dbt0gee._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; 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
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._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- apple-domain-verification=EjOtxtSHTlxtV4pt
- 1juK6s45iUMOJMAIyo3o+WxCy3gS9ER9r1qFycb+IhP/G1gEC3iI2Dua3tznFhND+FC1nhQbJnvdWUsIjcmT0A==
- SPFv=spf1 redirect=3dbt0gee._spf._d.mim.ec
- MS=ms69215248
Full email verification for jjc.edu
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