Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
highlinewarren.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 04:28:22 UTC · ↺ Refresh
MX Hostnames
- highlinewarren-com.mail.protection.outlook.com
MX Priorities
- highlinewarren-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.18.6.246 (no PTR)
- 104.18.7.246 (no PTR)
- 2606:4700::6812:7f6
- 2606:4700::6812:6f6
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
blue.foundationdns.com dns.cloudflare.com 2399075755 10000 2400 604800 1800
Primary NS (mname)
blue.foundationdns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399075755
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
blue.foundationdns.org
blue.foundationdns.com
blue.foundationdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:spf.securence.com include:autotask.net include:spf.us.exclaimer.net include:nw026.com include:spf1.highlinewarren.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; 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: 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
8 records- atlassian-sending-domain-verification=8b41fff1-849c-420c-8fac-a7b8fff3ff8f
- docusign=956cd87a-952c-4229-a2d6-fabe4f73f21a
- globalsign-domain-verification=813408EB4B0B35803FCCDA0056C8B119
- google-site-verification=xyp-jVoSxbUlgv_EJuEAYLwcaVggXPA3r__4gmNZzpE
- klaviyo-site-verification=SPVB9A
- knowbe4-site-verification=452bd4ad4e583a9a520cfd8737cde5fb
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net include:spf.securence.com include:autotask.net include:spf.us.exclaimer.net include:nw026.com include:spf1.highlinewarren.com -all
- atlassian-domain-verification=VCyKIfeQYs/wman4Xhacgz6P7Ihyyt8th7E1TZcHvDmWv0pTSdWOe3NJD9wn3MuT
Full email verification for highlinewarren.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits