Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
run2biz.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:02:09 UTC · ↺ Refresh
MX Hostnames
- run2biz-com.mail.protection.outlook.com
MX Priorities
- run2biz-com.mail.protection.outlook.com: 0
A / AAAA Records
- 99.84.160.119 ↩ server-99-84-160-119.jfk50.r.cloudfront.net
- 99.84.160.107 ↩ server-99-84-160-107.jfk50.r.cloudfront.net
- 99.84.160.19
- 99.84.160.87
Mail Server IPs
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-885.awsdns-46.net awsdns-hostmaster.amazon.com 2025093001 7200 900 1209600 86400
Primary NS (mname)
ns-885.awsdns-46.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2025093001
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-201.awsdns-25.com
ns-885.awsdns-46.net
ns-1345.awsdns-40.org
ns-1878.awsdns-42.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:sendgrid.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
2 records- SPFv=spf1 include:sendgrid.net ~all
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net -all
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