Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trine.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 23:19:18 UTC · ↺ Refresh
MX Hostnames
- trine-edu.mail.protection.outlook.com
MX Priorities
- trine-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 198.62.98.57 ↩ trineonline.trine.edu
Mail Server IPs
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.trine.edu admin.trine.edu 2013091535 1200 600 1209600 3600
Primary NS (mname)
ns1.trine.edu
Admin Email (rname)
admin@trine.edu
Serial
2013091535
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
jefferson.ind.net
ns2.trine.edu
washington.ind.net
adams.ind.net
ns1.trine.edu
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.watermarkinsights.com include:amazonses.com include:_spf.regroup.com include:_spf.regroupcloud.com include:emailus.freshservice.com ip4:208.113.204.100 ip4:198.62.98.57 ip4:198.62.98.9 -all
📊 DNS lookups: 6/10
✓ 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
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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
8 records- MS=ms87455613
- docusign=1f93db78-bde4-4cab-845f-e3b84a781edb
- v=BIMI1;l=https://bimi.entrust.net/trine.edu/logo.svg;a=https://bimi.entrust.net/trine.edu/certchain.pem
- FLCYvPVGbARqzPZfdMG2O9zj+EMPsa1r9aC3c/mC4bzKddin1o3FTDpQIecUL3UFZkhUxrNWMrb1/9LnF6eKbQ==
- f0iyYp9ujAW8rtvNog3h43F3WXl2h0LRjfZwYqgsNcF/KOwW+ISPXv51JvjH48E5iMgsKlh1CPPqRWCyWyuZYQ==
- SPFv=spf1 include:spf.protection.outlook.com include:spf.watermarkinsights.com include:amazonses.com include:_spf.regroup.com include:_spf.regroupcloud.com include:emailus.freshservice.com ip4:208.113.204.100 ip4:198.62.98.57 ip4:198.62.98.9 -all
- google-site-verification=BVgHlFJ0wteOzwOvpKvUyteWFXJcB7jeKb42_PdcjAo
- adobe-idp-site-verification=d9bbb41304d7a5fbe15737f0592cd84063fdd421171f906bf7cf3fe182b4bc0f
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