Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crossboundary.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 11:50:09 UTC · ↺ Refresh
MX Hostnames
- crossboundary-com.mail.protection.outlook.com
MX Priorities
- crossboundary-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.138.19 (no PTR)
- 104.21.94.163 (no PTR)
- 2606:4700:3034::ac43:8a13
- 2606:4700:3034::6815:5ea3
Mail Server IPs
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ainsley.ns.cloudflare.com dns.cloudflare.com 2399340870 10000 2400 604800 1800
Primary NS (mname)
ainsley.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399340870
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ainsley.ns.cloudflare.com
steven.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:musvc.com include:relay.kinstamailservice.com include:crossboundarymultisite.kinstamailservice.com include:mandrillapp.com include:emsd1.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- google-site-verification=qQBR7z3OmF0C34qgX3_QVscoX613mZLxgX9Z5iRhymo
- SPFv=spf1 a mx include:spf.protection.outlook.com include:musvc.com include:relay.kinstamailservice.com include:crossboundarymultisite.kinstamailservice.com include:mandrillapp.com include:emsd1.com -all
- anthropic-domain-verification-5rsrg9=H0QuZ0ikMDlDlBT6ZlosGUOuC
- ca3-8ad561d7d8e54bbeb5a217c15c547c19
- google-site-verification=kNEu6_ZX98YInbJZ_tiubDhwWc3jXZ8wvi2aSbws1Cw
Full email verification for crossboundary.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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