Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rhsb.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 22:38:33 UTC · ↺ Refresh
MX Hostnames
- rhsb-com.mail.protection.outlook.com
MX Priorities
- rhsb-com.mail.protection.outlook.com: 5
A / AAAA Records
- 50.6.2.195 ↩ 50-6-2-195.unifiedlayer.com
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 77 10800 3600 604800 86400
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
77
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
cmtu.mt.ns.els-gms.att.net
cbru.br.ns.els-gms.att.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:216.201.225.100/30 ip4:66.196.196.112/28 ip4:4.53.177.34/32 ip4:209.222.82.0/24 include:spfa.cpmails.com include:icpbounce.com include:spf.smtp.com a:patramail.patracorp.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;ruf=mailto:[email protected]; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
8 records- SPFv=spf1 ip4:216.201.225.100/30 ip4:66.196.196.112/28 ip4:4.53.177.34/32 ip4:209.222.82.0/24 include:spfa.cpmails.com include:icpbounce.com include:spf.smtp.com a:patramail.patracorp.net include:spf.protection.outlook.com ~all
- sophos-domain-verification=a109182366ffaca0d3220292fac2929557381a6a1a76d0cb5385302081a970eb
- ck0bmgjcon0qar5hrvmh93n6fl
- MS=ms20681065
- MeiiC8pH1rKGLXFjWxo8dtPgzNMpteBOYN2TxQwAlWpm8U2bPVGVP4b3KavyDNgczrilF0BMF/Det2t92Grkxg==
- eg4n1eodufpeu1k0n9o762pfep
- phlm00909g66uom9i5s89vsdc8
- lch3i1fp5pqng82pb78jolhjrk
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