Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dkro.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 01:02:38 UTC · ↺ Refresh
MX Hostnames
- mail.dkro.com.br
MX Priorities
- mail.dkro.com.br: 10
A / AAAA Records
- 147.79.92.231 (no PTR)
Mail Server IPs
- 13.92.184.41 ↩ mail.dkro.com.br
SOA Record
Raw SOA
ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 3600 2419200 3600
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1-02.azure-dns.com
ns2-02.azure-dns.net
ns3-02.azure-dns.org
ns4-02.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mailersend.net mx a:mail.dkro.com.br include:_spf.rdstation.com.br include:sendgrid.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
5 records- SPFv=spf1 include:_spf.mailersend.net mx a:mail.dkro.com.br include:_spf.rdstation.com.br include:sendgrid.net -all
- google-site-verification=l6_LmvOLQeMNkSqjcMPMLYj16Vflyq_sBkpnn_x0rEM
- google-site-verification=7slBWeX02HjTjWjVXVBmEyHqLbsWDz0VZQhTAqaPwFM
- google-site-verification=plTLyWCeztqEwBMLT4FFXfblDV5KP-JQTCJmHYUdkBg
- facebook-domain-verification=o6oozigvs4feqfjskicr5to5i25jm1
Full email verification for dkro.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits