onstar.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
onstar.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-25 14:24:31 UTC ยท โ†บ Refresh

MX Hostnames

  • onstar-com.mail.protection.outlook.com

MX Priorities

  • onstar-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 198.208.73.147 โ†ฉ tld-redir-prdwx.ext.gm.com
  • 198.208.74.205 โ†ฉ tld-redir-prdmx.ext.gm.com

Mail Server IPs

  • 52.101.10.1 โ†ฉ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.10.10 โ†ฉ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 52.101.50.4 โ†ฉ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.41.58 โ†ฉ mail-sj0pr02cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.cscdns.net hostmaster.cscdns.net 2013082334 14400 3600 604800 600
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2013082334
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

dns2.cscdns.net
dns1.cscdns.net

SPF Record

โœ“ Soft Fail (~all)
v=spf1 mx include:_spf-a.gm.com include:_spf-b.gm.com include:spf.protection.outlook.com ~all
๐Ÿ“Š DNS lookups: 5/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;fo=1;ri=3600;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]

DKIM Selectors

โœ“ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

12 records
  • MS=ms31737130
  • 00DDn00000DCkt8MAD
  • _8hqhm4t0qp831zgdsuwlbt01u5dgur4
  • _izddxtp2pd3zgva1pagmput2yn2foup
  • _u66e0fx1grjjwv9um4fd6vh7onl5t8a
  • _xocu7munhk5ft8dtgvo9dh5xp4ha3ik
  • facebook-domain-verification=i1l04j9w1nj8qridj4es1ycxwvkpot
  • webexdomainverification.=0b5505a0-8fe5-4764-b7b6-8645440b877b
  • google-site-verification=c-uTv03yFt6Nicbe60P6c-E2IDL2mU4_BhHQ3HGCYK8
  • google-site-verification=cL5Grei0q_F3t4qwM3ihJuf5PHbitPObKdUMJkTCKsk
  • SPFv=spf1 mx include:_spf-a.gm.com include:_spf-b.gm.com include:spf.protection.outlook.com ~all
  • atlassian-domain-verification=aaziLZUx/quz/UkqGaX57IZaDo2yc/yVsywalcZdjOcm5AQLpc/R2FWdPfVPCtg8
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