Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uisil.ac.cr
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 05:56:53 UTC · ↺ Refresh
MX Hostnames
- uisil.ac.cr
MX Priorities
- uisil.ac.cr: 0
A / AAAA Records
- 205.234.134.47 ↩ server.uisil.ac.cr
Mail Server IPs
- 205.234.134.47 ↩ server.uisil.ac.cr
SOA Record
Raw SOA
ns1.uisil.ac.cr domains.domain.com2 2026032302 3600 1800 1209600 86400
Primary NS (mname)
ns1.uisil.ac.cr
Admin Email (rname)
domains@domain.com2
Serial
2026032302
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.uisil.ac.cr
ns1.uisil.ac.cr
SPF Record
✓ Soft Fail (~all)
v=spf1 +mx +a +ip4:205.234.134.47 +ip4:138.59.135.174 +include:relay.mailchannels.net +include:mercadeo.cr +include:navegalo.boletines.cr ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
default._domainkey
dkim._domainkey
k1._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 +mx +a +ip4:205.234.134.47 +ip4:138.59.135.174 +include:relay.mailchannels.net +include:mercadeo.cr +include:navegalo.boletines.cr ~all
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