Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
chartercollege.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 05:53:14 UTC · ↺ Refresh
MX Hostnames
- chartercollege-edu.mail.protection.outlook.com
MX Priorities
- chartercollege-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 185.140.49.163 ↩ web01.markley.esmdigital.net
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns13.domaincontrol.com dns.jomax.net 2026051100 28800 7200 604800 86400
Primary NS (mname)
pdns13.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026051100
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
pdns14.domaincontrol.com
mns01.domaincontrol.com
mns02.domaincontrol.com
pdns13.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.144.43.34 ip4:209.112.143.206 ip4:76.53.61.18 ip4:72.174.226.106 ip4:50.78.211.253 ip4:96.89.159.13 ip4:12.244.223.146 ip4:98.127.232.194 ip4:47.181.143.131 ip4:68.116.2.170 ip4:75.140.61.34 ip4:96.92.88.229 ip4:74.93.190.41 ip4:47.51.162.22 ip4:68.116.10.218 ip4:216.67.35.62 ip4:147.154.97.253 include:spf.protection.outlook.com include:1278314a1.spf2.netcorecloud.net include:mail.zendesk.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];sp=reject;ri=604800;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
4 records- google-site-verification=_bSMdhnLbrOV1tz9NxTHensiFolUhMF9gDj6tG1-rSw
- lZrf9ktWxCoVsCvJIVZ9L/PC9jqsQ7g9n4PdSLlDVNco8+4RDJuIJALpAQmm4MtXYzCwVLoXfIO1S6LBoYhhAQ==
- knowbe4-site-verification=1bd0bd7c735b42790a847c6d9cd89ffd
- SPFv=spf1 ip4:52.144.43.34 ip4:209.112.143.206 ip4:76.53.61.18 ip4:72.174.226.106 ip4:50.78.211.253 ip4:96.89.159.13 ip4:12.244.223.146 ip4:98.127.232.194 ip4:47.181.143.131 ip4:68.116.2.170 ip4:75.140.61.34 ip4:96.92.88.229 ip4:74.93.190.41 ip4:47.51.162.22 ip4:68.116.10.218 ip4:216.67.35.62 ip4:147.154.97.253 include:spf.protection.outlook.com include:1278314a1.spf2.netcorecloud.net include:mail.zendesk.com -all
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