Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sicasa.com.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 22:37:53 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 14
- alt1.aspmx.l.google.com: 12
- alt4.aspmx.l.google.com: 14
- aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 12
A / AAAA Records
- 130.211.189.39
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
dns1.usvx.net hostmaster.nic.uservers.net 1715111769 14400 3600 1814400 86400
Primary NS (mname)
dns1.usvx.net
Admin Email (rname)
hostmaster@nic.uservers.net
Serial
1715111769
Refresh
14400s
Retry
3600s
Expire
1814400s
Minimum TTL
86400s
Nameservers (NS)
dns1.usvx.net
dns3.usvx.net
dns2.usvx.net
SPF Record
✓ Strict (-all)
v=spf1 include:smtp.uservers.net include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:smtp.uservers.net include:_spf.google.com -all
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