Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esu8.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 06:18:23 UTC · ↺ Refresh
MX Hostnames
- esu8-org.mail.protection.outlook.com
MX Priorities
- esu8-org.mail.protection.outlook.com: 0
A / AAAA Records
- 162.241.216.218 ↩ box5434.bluehost.com
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns20.digicertdns.com dns.digicertdns.com 2009010506 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010506
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns25.digicertdns.net
ns20.digicertdns.com
ns23.digicertdns.net
ns21.digicertdns.com
ns22.digicertdns.com
ns24.digicertdns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.blackboardconnect.com include:spf.protection.outlook.com include:spf.finalsiteconnect.com ip4:97.65.91.0/24 ip4:207.205.170.0/26 ip4:207.250.245.64/26 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
5 records- adobe-idp-site-verification=32335d45252f724593faf23e28c480f87c8d6468aa554c0e919428a203b7d01f
- mosyle-verification-372054489
- SPFv=spf1 include:spf.blackboardconnect.com include:spf.protection.outlook.com include:spf.finalsiteconnect.com ip4:97.65.91.0/24 ip4:207.205.170.0/26 ip4:207.250.245.64/26 ~all
- apple-domain-verification=qhRFFVxCdKtV0G1x
- google-site-verification=jN2dvqJjZho3WgUrMJCgg6aVYyye9GpHLRXVF8cAU_g
Full email verification for esu8.org
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