Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esramos.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 06:16:12 UTC · ↺ Refresh
MX Hostnames
- smtptin2.f1.k8.com.br
MX Priorities
- smtptin2.f1.k8.com.br: 10
A / AAAA Records
- 149.28.107.160 ↩ 149.28.107.160.vultrusercontent.com
- 159.89.245.147 (no PTR)
- 159.223.244.148 (no PTR)
- 2a03:b0c0:1:d0::1342:a001 (no PTR)
- 2001:19f0:9003:682:5400:4ff:fe43:e156 (no PTR)
- 2604:a880:800:10::e0e:f001 (no PTR)
Mail Server IPs
- 187.73.32.150 ↩ smtptin2.f1.k8.com.br
SOA Record
Raw SOA
nsb1.hostnet.com.br dnsmasters.k8.com.br 375 3600 300 604800 3600
Primary NS (mname)
nsb1.hostnet.com.br
Admin Email (rname)
dnsmasters@k8.com.br
Serial
375
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
nsb1.hostnet.com.br
nsb2.hostnet.com.br
nsb3.hostnet.com.br
nsb4.hostnet.com.br
nsb5.hostnet.com.br
nsb6.hostnet.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mxt.f1.k8.com.br ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 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:mxt.f1.k8.com.br ~all
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