Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
celplan.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 13:59:27 UTC · ↺ Refresh
MX Hostnames
- celplan-com-br.p30.spamhero.net
- celplan-com-br.p10.spamhero.com
- celplan-com-br.p40.spamhero.net
- celplan-com-br.p20.spamhero.net
MX Priorities
- celplan-com-br.p20.spamhero.net: 20
- celplan-com-br.p30.spamhero.net: 30
- celplan-com-br.p40.spamhero.net: 40
- celplan-com-br.p10.spamhero.com: 10
A / AAAA Records
- 172.67.177.130 (no PTR)
- 104.21.59.127 (no PTR)
- 2606:4700:3033::6815:3b7f (no PTR)
- 2606:4700:3030::ac43:b182 (no PTR)
Mail Server IPs
- 216.172.106.52 ↩ bolt105a.mxthunder.net
- 209.41.68.192 ↩ bolt105b.mxthunder.net
SOA Record
Raw SOA
diva.ns.cloudflare.com dns.cloudflare.com 2400506351 10000 2400 604800 1800
Primary NS (mname)
diva.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400506351
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
diva.ns.cloudflare.com
gerald.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:177.71.245.141/32 ip4:209.126.106.62/32 include:spf.spamhero.com include:spf.ti-infratech.com.br ?all
📊 DNS lookups: 4/10
? Neutral (?all) — no enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip4:177.71.245.141/32 ip4:209.126.106.62/32 include:spf.spamhero.com include:spf.ti-infratech.com.br ?all
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