axt.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
axt.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 05:57:10 UTC · ↺ Refresh

MX Hostnames

  • d252367a.ess.barracudanetworks.com
  • d252367b.ess.barracudanetworks.com
  • axt-com.mail.protection.outlook.com

MX Priorities

  • d252367b.ess.barracudanetworks.com: 30
  • axt-com.mail.protection.outlook.com: 50
  • d252367a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 162.159.129.11

Mail Server IPs

  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1

SOA Record

Raw SOA ns1.pbi.net postmaster.pbi.net 2006030873 3600 900 604800 7200
Primary NS (mname)
ns1.pbi.net
Admin Email (rname)
postmaster@pbi.net
Serial
2006030873
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
7200s

Nameservers (NS)

cmtu.mt.ns.els-gms.att.net
ns1.pbi.net
ns2.pbi.net
cbru.br.ns.els-gms.att.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

4 records
  • MS=ms75905531
  • SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all
  • u0htdjshtc384uiee7ci8ric54
  • MS=ms59076496
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