jbconstruction.com

Valid Email Server
Domain Lookup › jbconstruction.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jbconstruction.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 20:18:31 UTC · ↺ Refresh

MX Hostnames

  • ALT1.ASPMX.L.GOOGLE.com
  • ALT3.ASPMX.L.GOOGLE.com
  • ALT4.ASPMX.L.GOOGLE.com
  • ALT2.ASPMX.L.GOOGLE.com
  • ASPMX.L.GOOGLE.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt2.aspmx.l.google.com: 5
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 23.236.62.147

Mail Server IPs

  • 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
  • 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA ns1.tld-ns.com dns-admin.domains.co.za 2017100902 3600 1800 1209600 3600
Primary NS (mname)
ns1.tld-ns.com
Admin Email (rname)
dns-admin@domains.co.za
Serial
2017100902
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns3.tld-ns.com
ns4.tld-ns.net
ns2.tld-ns.net
ns1.tld-ns.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

1 record
  • v=spf1 include:_spf.google.com ~all
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