Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
b2binternational.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-10 12:05:14 UTC · ↺ Refresh
MX Hostnames
- b2binternational-com.mail.protection.outlook.com
MX Priorities
- b2binternational-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.107.101.56 (no PTR)
Mail Server IPs
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.cscdns.net hostmaster.cscdns.net 2018111651 28800 7200 604800 86400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2018111651
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns2.cscdns.net
dns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 a:mail.b2binternational.com include:eu._netblocks.mimecast.com include:spf.protection.outlook.com ip4:212.84.88.239 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
10 records- anthropic-domain-verification-jq30sk=Xb819O0FWi4sNOy4gPYnABIbJ
- google-site-verification=v1FuOaoCgdmClwAcF8QPWg5ycun3SKoiyXYSGEFeZAg
- pardot579173=75ecf0676a8c13cac206d1aedcf268ad331927b142cfd58a4295f86d2cf97696
- sending_domain579173=20d00f5ef07f7d24eb42c6b99e87380495db267bcac45838a93557fb3dd9af9a
- adobe-idp-site-verification=45ecfc053712c8c96a41289e23da01874f1e8491d061ffcdfb1f282bea256806
- SPFv=spf1 a:mail.b2binternational.com include:eu._netblocks.mimecast.com include:spf.protection.outlook.com ip4:212.84.88.239 -all
- MS=ms56525288
- MS=ms93883764
- ZOOM_verify_jcxzuXcvWkhj3sTxu7hjNI
- 0ed1fe018aea776d697dfd4301a6fdd7d9c35fb617
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