best-8a.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
best-8a.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-28 06:06:33 UTC ยท โ†บ Refresh

MX Hostnames

  • best8a-com01b.mail.protection.outlook.com

MX Priorities

  • best8a-com01b.mail.protection.outlook.com: 0

A / AAAA Records

  • 2.57.91.91 (no PTR)

Mail Server IPs

  • 52.101.40.6 โ†ฉ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.40.0 โ†ฉ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.41.6 โ†ฉ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 52.101.8.34 โ†ฉ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: โ†ฉ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 โ†ฉ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 โ†ฉ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 โ†ฉ mail-dm2pr04cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dns-parking.com dns.hostinger.com 2026032601 10000 2400 604800 600
Primary NS (mname)
ns1.dns-parking.com
Admin Email (rname)
dns@hostinger.com
Serial
2026032601
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns2.dns-parking.com
ns1.dns-parking.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ 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:spf.protection.outlook.com -all
  • MS=ms23213857
Full email verification for best-8a.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits