Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
highlinecg.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 18:55:37 UTC · ↺ Refresh
MX Hostnames
- highlinecg-com.mail.protection.outlook.com
MX Priorities
- highlinecg-com.mail.protection.outlook.com: 0
A / AAAA Records
- 13.33.67.125 ↩ server-13-33-67-125.jfk50.r.cloudfront.net
- 13.33.67.72 ↩ server-13-33-67-72.jfk50.r.cloudfront.net
- 13.33.67.23
- 13.33.67.13
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1637.awsdns-12.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1637.awsdns-12.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-388.awsdns-48.com
ns-694.awsdns-22.net
ns-1398.awsdns-46.org
ns-1637.awsdns-12.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net include:_spf.createsend.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
~ 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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net include:_spf.createsend.com ~all
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