markhub.com.br

Valid Email Server
Domain Lookup › markhub.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
markhub.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 05:50:59 UTC · ↺ Refresh

MX Hostnames

  • mail.markhub.com.br

MX Priorities

  • mail.markhub.com.br: 0

A / AAAA Records

  • 192.185.218.157 ↩ srv42-ip06.prodns.com.br

Mail Server IPs

  • 192.185.218.157 ↩ srv42-ip06.prodns.com.br

SOA Record

Raw SOA ns42.prodns.com.br root.srv42.prodns.com.br 2026033000 86400 7200 3600000 86400
Primary NS (mname)
ns42.prodns.com.br
Admin Email (rname)
root@srv42.prodns.com.br
Serial
2026033000
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns43.prodns.com.br
ns42.prodns.com.br

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:192.185.176.232 a mx include:websitewelcome.com ~all
📊 DNS lookups: 3/10
~ 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 ip4:192.185.176.232 a mx include:websitewelcome.com ~all
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