Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uchastings.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 07:31:48 UTC · ↺ Refresh
MX Hostnames
- uchastings-edu.mail.protection.outlook.com
MX Priorities
- uchastings-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 23.185.0.2 (no PTR)
- 2620:12a:8000::2 (no PTR)
- 2620:12a:8001::2
Mail Server IPs
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
uch-dns-4.uchastings.edu hamiltoa.uchastings.edu 2024051040 900 600 86400 3600
Primary NS (mname)
uch-dns-4.uchastings.edu
Admin Email (rname)
hamiltoa@uchastings.edu
Serial
2024051040
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
uch-dns-4.uchastings.edu
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:uchastings365.onmicrosoft.com include:outboundmail.convio.net include:spf.elluciancloud.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
7 records- SPFv=spf1 include:spf.protection.outlook.com include:uchastings365.onmicrosoft.com include:outboundmail.convio.net include:spf.elluciancloud.com -all
- d365mktkey=OZ2T16IjaD4VCHW9BxESXczuFovH9TRrvqkpi3hdtQsx
- adobe-idp-site-verification=be7bfa2b3b50f91510fde42bc2acc641aee01cbe1639f59e6381b839346bbff8
- docusign=587c09a5-42ea-4896-b5d9-8dde647cc489
- google-site-verification=WpDIZ4otHR03C1eyBwYKh06FKAheUjbK29Dq8l355Gc
- d365mktkey=fez5k7xjNThF6TQJbMFv4FT5D7FNpMKrI7foju8lggMx
- apple-domain-verification=fVpHHWOsnLxxVklj
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