Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cbsmedicalbilling.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 00:29:32 UTC · ↺ Refresh
MX Hostnames
- cbsmedicalbilling-com.mail.protection.outlook.com
MX Priorities
- cbsmedicalbilling-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.16.172.13 (no PTR)
- 199.16.173.56 (no PTR)
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
fay.ns.cloudflare.com dns.cloudflare.com 2397013427 10000 2400 604800 1800
Primary NS (mname)
fay.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397013427
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
fay.ns.cloudflare.com
zeus.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:199.36.248.0/22 ip4:199.87.120.0/22 ip4:162.250.60.0/22 ip4:45.12.196.0/22 ip4:202.173.24.0/21 ip4:173.199.0.0/18 ip4:23.239.224.0/19 ip4:78.108.124.0/23 ip4:68.64.0.0/19 ip4:208.75.123.0/24 ip4:205.207.106.0/24 include:spfa.cpmails.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
3 records- google-site-verification=whPNg0mln6ggf9zc8wMbaI6WBUiRM5PFW2xZtdIX4dg
- SPFv=spf1 include:spf.protection.outlook.com ip4:199.36.248.0/22 ip4:199.87.120.0/22 ip4:162.250.60.0/22 ip4:45.12.196.0/22 ip4:202.173.24.0/21 ip4:173.199.0.0/18 ip4:23.239.224.0/19 ip4:78.108.124.0/23 ip4:68.64.0.0/19 ip4:208.75.123.0/24 ip4:205.207.106.0/24 include:spfa.cpmails.com -all
- facebook-domain-verification=wtjfuviwk42dkpu86bfkd2y8jwtu4d
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