Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rossoncpa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 23:52:53 UTC · ↺ Refresh
MX Hostnames
- rossoncpa-com.mail.protection.outlook.com
MX Priorities
- rossoncpa-com.mail.protection.outlook.com: 0
A / AAAA Records
- 69.16.232.247 ↩ thttaxandaccounting.com
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.byfcpasites.com byfnotifications.buildyourfirm.com 2026032307 3600 1800 1209600 86400
Primary NS (mname)
ns1.byfcpasites.com
Admin Email (rname)
byfnotifications@buildyourfirm.com
Serial
2026032307
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.byfcpasites.com
ns4.byfcpasites.com
ns3.byfcpasites.com
ns1.byfcpasites.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +mx +a +ip4:69.16.233.43 +include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +mx +a +ip4:69.16.233.43 +include:spf.protection.outlook.com ~all
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