Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fractalscience.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 05:09:10 UTC · ↺ Refresh
MX Hostnames
- mail.fractalscience.org
MX Priorities
- mail.fractalscience.org: 0
A / AAAA Records
- 108.179.192.227 ↩ srv180-ip03.prodns.com.br
Mail Server IPs
- 108.179.192.227 ↩ srv180-ip03.prodns.com.br
SOA Record
Raw SOA
ns1.tcastro.com tarcisiowcastro.gmail.com 2026032101 86400 7200 3600000 86400
Primary NS (mname)
ns1.tcastro.com
Admin Email (rname)
tarcisiowcastro@gmail.com
Serial
2026032101
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.tcastro.com
ns2.tcastro.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._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
2 records- SPFv=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
- SPFv=spf1 a mx include:websitewelcome.com ~all
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