fastbuilding.contractors

Valid Email Server
Domain Lookup › fastbuilding.contractors

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fastbuilding.contractors
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 15:58:39 UTC · ↺ Refresh

MX Hostnames

  • mx3.spamshield.io
  • mail.fastbuilding.contractors
  • mx2.spamshield.io
  • mx4.spamshield.io
  • mx1.spamshield.io

MX Priorities

  • mx1.spamshield.io: 0
  • mail.fastbuilding.contractors: 40
  • mx2.spamshield.io: 10
  • mx4.spamshield.io: 30
  • mx3.spamshield.io: 20

A / AAAA Records

  • 67.205.73.143 ↩ 8c745dad.panelvps.net

Mail Server IPs

  • 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 67.205.73.143 ↩ 8c745dad.panelvps.net
  • 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
  • 2001:550:2:61::2fc:100 (no PTR)
  • 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com

SOA Record

Raw SOA ns1.panelbox.net fastbcc.gmail.com 2026030501 86400 7200 3600000 86400
Primary NS (mname)
ns1.panelbox.net
Admin Email (rname)
fastbcc@gmail.com
Serial
2026030501
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns4.panelbox.net
ns3.panelbox.net
ns2.panelbox.net
ns1.panelbox.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:67.205.73.143 ip4:198.72.99.99 ip4:184.107.112.78 ip4:184.107.112.60 +mx +a +ip4:184.107.100.85 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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 ip4:67.205.73.143 ip4:198.72.99.99 ip4:184.107.112.78 ip4:184.107.112.60 +mx +a +ip4:184.107.100.85 ~all
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