Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rrhba.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 20:17:39 UTC · ↺ Refresh
MX Hostnames
- mx1.emailsrvr.com
- mx2.emailsrvr.com
- rrhba-com.mail.protection.outlook.com
MX Priorities
- rrhba-com.mail.protection.outlook.com: 0
- mx1.emailsrvr.com: 98
- mx2.emailsrvr.com: 99
A / AAAA Records
- 172.67.146.182
- 104.21.95.174
- 2606:4700:3037::6815:5fae
- 2606:4700:3031::ac43:92b6
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 146.20.161.1 ↩ mx1.emailsrvr.com
- 184.106.54.2 ↩ mx2.emailsrvr.com
SOA Record
Raw SOA
dilbert.ns.cloudflare.com dns.cloudflare.com 2398880643 10000 2400 604800 1800
Primary NS (mname)
dilbert.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398880643
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dilbert.ns.cloudflare.com
tara.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com include:sendgrid.net ~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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms38764957
- ca3-25fc0e6def4c4097a0a5a06b0d2bdc31
- SPFv=spf1 mx include:spf.protection.outlook.com include:sendgrid.net ~all
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