Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
greshampetroleum.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:03:26 UTC · ↺ Refresh
MX Hostnames
- greshampetroleum-com.mail.protection.outlook.com
MX Priorities
- greshampetroleum-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.185.159.145 (no PTR)
- 198.49.23.144 (no PTR)
- 198.49.23.145
- 198.185.159.144
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
mace.netdoor.com dns-support.netdoor.com 2026021900 3600 1800 604800 3600
Primary NS (mname)
mace.netdoor.com
Admin Email (rname)
dns-support@netdoor.com
Serial
2026021900
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
pike.netdoor.com
mace.netdoor.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:one.zoho.com ip4:206.41.228.0/24 -all
📊 DNS lookups: 2/10
✓ 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 include:one.zoho.com ip4:206.41.228.0/24 -all
- MS=ms94911057
- zoho-verification=zb26667658.zmverify.zoho.com
- duo_sso_verification=XoBJ2BPu1aSYQ0WylcpmtJCnBm0jkKPQpkr1vmY6GeVMhHuULwYfxkD8osMmMCKZ
Full email verification for greshampetroleum.com
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