Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
corecivic.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:07:00 UTC · ↺ Refresh
MX Hostnames
- corecivic-com.mail.protection.outlook.com
MX Priorities
- corecivic-com.mail.protection.outlook.com: 10
A / AAAA Records
- 199.60.103.24 (no PTR)
- 199.60.103.124 (no PTR)
Mail Server IPs
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.bigrock.com dnsadmin.correctionscorp.com 2025081901 7200 7200 1209600 38400
Primary NS (mname)
dns1.bigrock.com
Admin Email (rname)
dnsadmin@correctionscorp.com
Serial
2025081901
Refresh
7200s
Retry
7200s
Expire
1209600s
Minimum TTL
38400s
Nameservers (NS)
dns4.bigrock.com
dns2.bigrock.com
dns1.bigrock.com
dns3.bigrock.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 include:3070523.spf02.hubspotemail.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],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],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- xac9YrcLtwOHBjkRRfPxVqqQf4tppEhurCdvuW9fqzoZTk0yBxntqrcaPw4mvd3SeSYkllARyvcCDfOVRWOX+Q==
- adobe-idp-site-verification=efa40b6eb94d762f3ade6e63b8b243c3fde495cb2290863e5949be791c9cac27
- SPFv=spf1 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 include:3070523.spf02.hubspotemail.net include:spf.protection.outlook.com -all
- google-site-verification=m4CaLGVfa5FPMDUljk9yvTPSOf8ikeXlAQ46y2pqZNM
- flexera-domain-verification-txaqpmnmfhothsxu
- MS=ms94630912
- apple-domain-verification=XTUUxHzGCCbsIRRl
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