Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dmbrent.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 09:14:19 UTC · ↺ Refresh
MX Hostnames
- dmbrent-com.mail.protection.outlook.com
MX Priorities
- dmbrent-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.185.159.144 (no PTR)
- 198.185.159.145 (no PTR)
- 198.49.23.144
- 198.49.23.145
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.tigertech.net support.tigertech.net 2026030703 7200 1800 1209600 900
Primary NS (mname)
ns1.tigertech.net
Admin Email (rname)
support@tigertech.net
Serial
2026030703
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
ns1.tigertech.net
ns3.tigertech.org
ns2.tigertech.biz
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=ZtwXWwbWTVkR5nXFOnQaCqEgfJN9VRYxwWDGRgMGW3o
Full email verification for dmbrent.com
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