appnexus.com

Valid Email Server
Domain Lookup › appnexus.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
appnexus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 03:22:22 UTC · ↺ Refresh

MX Hostnames

  • appnexus-com.mail.protection.outlook.com

MX Priorities

  • appnexus-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 68.67.154.120 ↩ www.alenty.com

Mail Server IPs

  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com

SOA Record

Raw SOA a01.apxns.com hostmaster.appnexus.net 2329 600 1800 604800 300
Primary NS (mname)
a01.apxns.com
Admin Email (rname)
hostmaster@appnexus.net
Serial
2329
Refresh
600s
Retry
1800s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

a02.xsdns.net
z02.xsdns.net
z01.apxns.com
a01.apxns.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:199.59.200.201 include:corp.appnexus.com include:mktomail.com include:stspg-customer.com include:spf.etouches.com include:spf.protection.outlook.com include:spf.mandrillapp.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

12 records
  • SPFv=spf1 ip4:199.59.200.201 include:corp.appnexus.com include:mktomail.com include:stspg-customer.com include:spf.etouches.com include:spf.protection.outlook.com include:spf.mandrillapp.com -all
  • status-page-domain-verification=wjmgr2tmbkxd
  • MS=ms87423755
  • cisco-ci-domain-verification=686b7c971372b74cf8b995e4635566bc0443f7a3ffb89a5a28664b6b39fbc1ac
  • _135v0cj2f88s1kz26yfr6aa71t4xj9o
  • jl8bhy8ty8f64x0xtd81g3rs4q32cgg9
  • 734134511-4928422
  • google-site-verification=7bGawnx83X9r9EH37c2fWpWU6tOTqExjOXhuGGrIW-U
  • o33O7f5yjyWb9XVETGzzgFLMYsSdonLE0m3KCGf52wzNcdKYbSug5yNcKBwEeVx7XjB4iNdaGFZOePCgkkrk/Q==
  • _vj3m1omcz9g9fx6s1aukdliok1zanhq
  • webexdomainverification.783ced4311949f42e053ab06fc0afaa0=68af16f9-7cc8-4316-8655-5ea8e7883228
  • atlassian-domain-verification=2gYvFZjSGd3IXEV1lcwZOPS6MFMsos937XGBKmchaNHtSwMy82rTRQh5dqHxtrPm
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