Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gradeline.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 05:36:08 UTC · ↺ Refresh
MX Hostnames
- gradeline-com.mail.protection.outlook.com
MX Priorities
- gradeline-com.mail.protection.outlook.com: 0
A / AAAA Records
- 34.174.187.66 ↩ 66.187.174.34.bc.googleusercontent.com
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.name-services.com info.name-services.com 1738084196 172800 900 1814400 300
Primary NS (mname)
dns1.name-services.com
Admin Email (rname)
info@name-services.com
Serial
1738084196
Refresh
172800s
Retry
900s
Expire
1814400s
Minimum TTL
300s
Nameservers (NS)
dns3.name-services.com
dns1.name-services.com
dns5.name-services.com
dns2.name-services.com
dns4.name-services.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:spf.protection.outlook.com -all
- 00528ad3553841a1a73dfbd3623f73fd
- MS=ms66816059
- sophos-domain-verification=861150a16204f953ca245fef69066d030490768df5c7e071e5e5b96ce9797386
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