sinertec.solutions

Valid Email Server
Domain Lookup › sinertec.solutions

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sinertec.solutions
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-03 15:39:09 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 216.238.69.130 ↩ cdmx.nubenautas.net

Mail Server IPs

  • 172.253.139.26 ↩ yuiadsk-in-f26.1e100.net
  • 64.233.180.27 ↩ pe-in-f27.1e100.net
  • 64.233.180.26 ↩ pe-in-f26.1e100.net
  • 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
  • 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
  • 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
  • 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
  • 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net

SOA Record

Raw SOA ns1.dnsimple.com admin.dnsimple.com 1548987416 86400 7200 604800 300
Primary NS (mname)
ns1.dnsimple.com
Admin Email (rname)
admin@dnsimple.com
Serial
1548987416
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns3.dnsimple.com
ns4.dnsimple-edge.org
ns1.dnsimple.com
ns2.dnsimple-edge.net

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • google-site-verification=WkvlilHZ-9P_5dNncG-u9ULbGI-hbUkZlVJ9-o6_Oxsv
  • SPFv=spf1 include:_spf.google.com -all
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