Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
runbss.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 06:59:06 UTC · ↺ Refresh
MX Hostnames
- runbss-com.mail.protection.outlook.com
MX Priorities
- runbss-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.240.214.170 ↩ 5991214.runbss.com
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.runbss.com root.5991214.runbss.com 2026012301 3600 1800 1209600 86400
Primary NS (mname)
ns1.runbss.com
Admin Email (rname)
root@5991214.runbss.com
Serial
2026012301
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.runbss.com
ns2.runbss.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 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=vadWAGXPTVlkCmBDJ5xO_Yi85w5hEnrXHKbi-r0T9Ao
- MS=66F81BBBE541962A8199E53E719CF4748B19E4C1
- MS=ms77004341
- twilio-domain-verification=0e39448b731713b6dd8637ce5b98d70e
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for runbss.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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