byrdenterprises.net

Valid Email Server
Domain Lookup › byrdenterprises.net

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
byrdenterprises.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-18 11:13:20 UTC · ↺ Refresh

MX Hostnames

  • byrdenterprises-net.mail.protection.outlook.com

MX Priorities

  • byrdenterprises-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.49.23.144 (no PTR)
  • 198.49.23.145 (no PTR)
  • 198.185.159.144
  • 198.185.159.145

Mail Server IPs

  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.p03.nsone.net hostmaster.nsone.net 1625600764 43200 7200 1209600 3600
Primary NS (mname)
dns1.p03.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1625600764
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns1.p03.nsone.net
dns2.p03.nsone.net
dns3.p03.nsone.net
dns4.p03.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:38.113.1.0/24 ip4:38.113.20.0/24 ip4:65.254.224.0/19 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

2 records
  • apple-domain-verification=42fLFid2DXLMse2v
  • SPFv=spf1 ip4:38.113.1.0/24 ip4:38.113.20.0/24 ip4:65.254.224.0/19 include:spf.protection.outlook.com -all
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