Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tripleos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 23:37:19 UTC · ↺ Refresh
MX Hostnames
- tripleos-com.mail.protection.outlook.com
MX Priorities
- tripleos-com.mail.protection.outlook.com: 10
A / AAAA Records
- 3.168.102.39 ↩ server-3-168-102-39.jfk52.r.cloudfront.net
- 3.168.102.6 ↩ server-3-168-102-6.jfk52.r.cloudfront.net
- 3.168.102.47
- 3.168.102.19
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1663.awsdns-15.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1663.awsdns-15.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-173.awsdns-21.com
ns-886.awsdns-46.net
ns-1159.awsdns-16.org
ns-1663.awsdns-15.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; 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: 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
6 records- google-site-verification=Mz6q1HfaFl0PLj0mT4gu0qDbRHNr6yAlIAbU6ZpmPak
- google-site-verification=fYlXiHXbKsYFV9pO1icTryCNNhbybnyGZujB8tzSCwY
- SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com -all
- 70v8sbj07ju2jtnii7idakhpp2
- MS=ms22036195
- google-site-verification=CMuzndIz1hgbwcuGB5mTelt8wec0htY6nUGpogx9lOI
Full email verification for tripleos.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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