osistaff.net

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
osistaff.net
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-23 00:17:15 UTC ยท โ†บ Refresh

MX Hostnames

  • cloud15.spamtitan.com
  • cloud16.spamtitan.com

MX Priorities

  • cloud16.spamtitan.com: 0
  • cloud15.spamtitan.com: 0

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 18.216.101.235 โ†ฉ cloud15.spamtitan.com
  • 18.188.207.172 โ†ฉ cloud15.spamtitan.com
  • 18.190.56.214 โ†ฉ cloud15.spamtitan.com

SOA Record

Raw SOA ns09.domaincontrol.com dns.jomax.net 2026022601 28800 7200 604800 600
Primary NS (mname)
ns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns10.domaincontrol.com
ns09.domaincontrol.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mailgun.org -all
๐Ÿ“Š DNS lookups: 2/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=s; adkim=s
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Strict
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
โœ“ Public key: 216 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

4 records
  • ca3-eac8e2a66f8841efa6cd10a6bb5ead8a
  • MS=ms97265861
  • SPFv=spf1 include:spf.protection.outlook.com include:mailgun.org -all
  • apple-domain-verification=l9pI3kmPI6hNSAF5
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