Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trinityonline.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 10:54:15 UTC · ↺ Refresh
MX Hostnames
- trinityonline-com.mail.protection.outlook.com
MX Priorities
- trinityonline-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.144 (no PTR)
- 199.60.103.44 (no PTR)
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
lila.ns.cloudflare.com dns.cloudflare.com 2398227615 10000 2400 604800 1800
Primary NS (mname)
lila.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398227615
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
wesley.ns.cloudflare.com
lila.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:168.245.120.23 include:spf.protection.outlook.com include:8417843.spf01.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
8 records- ca3-0dadda7b20384ad29358fb9b9894c2b1
- ca3-c28bc5a840c2405c97f751e169665330
- google-site-verification=aE1fgwCIX5V_ZxflRn_3RZgpyOTuCV2CLrObVTxU5gI
- n7ql9r2fiftkrkctgujuh6ujvo
- twilio-domain-verification=69465c4e0f3fddd0a130008c44d58969
- SPFv=spf1 ip4:168.245.120.23 include:spf.protection.outlook.com include:8417843.spf01.hubspotemail.net -all
- v=verifydomain MS=8641654
- atlassian-domain-verification=p1Eat7evHOOovlgC5AraKQVlG7yH6cQHPUOkqDV8HKC9qKVykpwEglTsedrcXxUx
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