Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
till.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 01:55:43 UTC · ↺ Refresh
MX Hostnames
- smtpzin1.f1.k8.com.br
MX Priorities
- smtpzin1.f1.k8.com.br: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 187.73.32.204 ↩ smtpzin1.f1.k8.com.br
SOA Record
Raw SOA
nsa1.k8.com.br dnsmasters.k8.com.br 21 3600 300 604800 3600
Primary NS (mname)
nsa1.k8.com.br
Admin Email (rname)
dnsmasters@k8.com.br
Serial
21
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
nsa6.k8.com.br
nsa1.k8.com.br
nsa2.k8.com.br
nsa3.k8.com.br
nsa4.k8.com.br
nsa5.k8.com.br
SPF Record
✓ Strict (-all)
v=spf1 a:mxz.f1.k8.com.br include:_spf.emailmkt.correio.ws -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._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
1 record- SPFv=spf1 a:mxz.f1.k8.com.br include:_spf.emailmkt.correio.ws -all
Full email verification for till.com.br
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