Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grainster.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 04:13:01 UTC · ↺ Refresh
MX Hostnames
- grainster-com.mail.protection.outlook.com
MX Priorities
- grainster-com.mail.protection.outlook.com: 0
A / AAAA Records
- 72.167.87.185 ↩ 185.87.167.72.host.secureserver.net
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns65.domaincontrol.com dns.jomax.net 2021081600 28800 7200 604800 600
Primary NS (mname)
ns65.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2021081600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns66.domaincontrol.com
ns65.domaincontrol.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
3 records- SPFv=spf1 include:spf.protection.outlook.com -all
- kap33c9rnkht3s8gi1l2t1etdl
- NETORGFT3001861.onmicrosoft.com
Full email verification for grainster.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits