3wcorner.com

Valid Email Server
Domain Lookup › 3wcorner.com

Domain Overview

DNS: ✓ 6d ago Checker: ✓ 6d ago
3wcorner.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-15 10:55:15 UTC · ↺ Refresh

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MX Hostnames

  • mainmail.3wcorner.com

MX Priorities

  • mainmail.3wcorner.com: 0

A / AAAA Records

  • 140.82.44.119 ↩ 3wcorner.com
  • 2001:19f0:1000:f151:5400:5ff:feff:5ff2 (no PTR)

Mail Server IPs

  • 140.82.44.119 ↩ 3wcorner.com

SOA Record

Raw SOA dns3.3wns.com info.3wcorner.com 2026051301 3600 1800 1209600 86400
Primary NS (mname)
dns3.3wns.com
Admin Email (rname)
info@3wcorner.com
Serial
2026051301
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

dns2.3wns.com
dns3.3wns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:149.28.35.175 +ip4:140.82.44.119 +ip4:45.63.23.99 +ip4:108.61.157.33 +ip4:207.246.85.96 +ip4:207.246.85.52 +ip4:45.77.102.23 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 +a +mx +ip4:149.28.35.175 +ip4:140.82.44.119 +ip4:45.63.23.99 +ip4:108.61.157.33 +ip4:207.246.85.96 +ip4:207.246.85.52 +ip4:45.77.102.23 ~all
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