Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
visibilitas.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 21:39:07 UTC · ↺ Refresh
MX Hostnames
- mx-hospedaje.sistemaip.net
MX Priorities
- mx-hospedaje.sistemaip.net: 0
A / AAAA Records
- 5.196.176.40 ↩ hospedaje.sistemaip.net
Mail Server IPs
- 176.31.81.228 ↩ mxfilter.sistemaip.net
- 176.31.21.100 ↩ mxfilter.sistemaip.net
- 151.80.14.50 ↩ mxfilter.sistemaip.net
SOA Record
Raw SOA
ns3.sistemaip.net sysadmin.sistemaip.net 2026020701 86400 7200 2019200 300
Primary NS (mname)
ns3.sistemaip.net
Admin Email (rname)
sysadmin@sistemaip.net
Serial
2026020701
Refresh
86400s
Retry
7200s
Expire
2019200s
Minimum TTL
300s
Nameservers (NS)
ns0.sistemaip.net
ns3.sistemaip.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:5.196.176.33 +ip4:5.196.176.34 +include:spf.sistemaip.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._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
1 record- SPFv=spf1 +a +mx +ip4:5.196.176.33 +ip4:5.196.176.34 +include:spf.sistemaip.net -all
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