Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gkconline.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 02:35:04 UTC · ↺ Refresh
MX Hostnames
- gkconline-com.mail.protection.outlook.com
MX Priorities
- gkconline-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.197.52.225 ↩ 225.52.197.104.bc.googleusercontent.com
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
dns151.a.register.com root.register.com 2020060105 28800 7200 604800 3600
Primary NS (mname)
dns151.a.register.com
Admin Email (rname)
root@register.com
Serial
2020060105
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns234.c.register.com
dns151.a.register.com
dns176.d.register.com
dns015.b.register.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
2 records- ms=ms37432773
- SPFv=spf1 include:spf.protection.outlook.com -all
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