sofxtech.com

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
sofxtech.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 21:19:33 UTC · ↺ Refresh

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MX Hostnames

  • sofxtech-com.mail.protection.office365.us

MX Priorities

  • sofxtech-com.mail.protection.office365.us: 0

A / AAAA Records

  • 198.185.159.145 (no PTR)

Mail Server IPs

  • 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
  • 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
  • 2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com
  • 2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.p01.nsone.net hostmaster.nsone.net 1660763036 43200 7200 1209600 3600
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1660763036
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns03.squarespacedns.com
ns04.squarespacedns.com
dns1.p01.nsone.net
dns2.p01.nsone.net
dns3.p01.nsone.net
dns4.p01.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.office365.us -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

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

2 records
  • SPFv=spf1 include:spf.protection.office365.us -all
  • MS=ms36936284
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