jscsystems.net

Valid Email Server

Domain Overview

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

Checked via [email protected] ยท 2026-03-24 20:35:39 UTC ยท โ†บ Refresh

MX Hostnames

  • east.smtp.mx.o365.serverdata.net

MX Priorities

  • east.smtp.mx.o365.serverdata.net: 0

A / AAAA Records

  • 207.246.64.151 โ†ฉ ethernetvlan152-ds1-u3-r403-A.mia1.constant.com

Mail Server IPs

  • 64.78.25.118 โ†ฉ east.smtp.mx.o365.serverdata.net

SOA Record

Raw SOA ns35.domaincontrol.com dns.jomax.net 2025081100 28800 7200 604800 600
Primary NS (mname)
ns35.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025081100
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns35.domaincontrol.com
ns36.domaincontrol.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.intermedia.net ~all
๐Ÿ“Š DNS lookups: 2/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.intermedia.net ~all
  • 0ed1fe018ac08aa5a68f104f68b4b17b705f0613e1
  • 7nt74efkucq05395i7dvosvjat
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