Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sachem.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 04:05:41 UTC · ↺ Refresh
MX Hostnames
- sachem-edu.mail.protection.outlook.com
MX Priorities
- sachem-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 18.233.124.95 ↩ ec2-18-233-124-95.compute-1.amazonaws.com
- 54.221.139.169 ↩ ec2-54-221-139-169.compute-1.amazonaws.com
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009010193 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010193
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns24.digicertdns.net
ns25.digicertdns.net
ns20.digicertdns.com
ns21.digicertdns.com
ns22.digicertdns.com
ns23.digicertdns.net
SPF Record
✓ Strict (-all)
v=spf1 a:webemail.sachem.edu ip4:206.201.208.115 ip4:206.201.209.115 ip4:206.201.208.116 ip4:206.201.209.116 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
8 records- SPFv=spf1 a:webemail.sachem.edu ip4:206.201.208.115 ip4:206.201.209.115 ip4:206.201.208.116 ip4:206.201.209.116 include:spf.protection.outlook.com -all
- _zt2cj4jch7nlui5uvuse2gyxy6svveh
- google-site-verification=NfvFfDHkA8yJisWOZ--fPTMJZybejLDxs-LfTrosPXU
- google-site-verification=ZKy7Aq5Tj7eYlAVOiFXlFh1rXv4scK3gjffnR3x1EnE
- v=msv1 t=CC8A815E-14BA-4F58-9BAB-F7FEC52D192B
- jamf-site-verification=ih1Zg27MPaTbReyDWJheLg
- _vp0rjyapodvb5zzuen0mj35s5u4ydwx
- adobe-idp-site-verification=214865414829150bc313eeb1f0ef0fda57f9ec34dc15d88b1071a39ca88cfc08
Full email verification for sachem.edu
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