Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
britishbulldogdenver.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 02:30:02 UTC · ↺ Refresh
MX Hostnames
- britishbulldogdenver-com.mail.protection.outlook.com
MX Priorities
- britishbulldogdenver-com.mail.protection.outlook.com: 0
A / AAAA Records
- 160.153.0.37 ↩ 37.0.153.160.host.secureserver.net
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns15.domaincontrol.com dns.jomax.net 2026012901 28800 7200 604800 86400
Primary NS (mname)
ns15.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012901
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns15.domaincontrol.com
ns16.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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
3 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms56541910
- google-site-verification=b6ylU1Yz8crSs3alUQW1il4lvOsbiqe6ewBK4FZphBQ
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