Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
optimizar.com.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-09 08:49:39 UTC · ↺ Refresh
MX Hostnames
- mx00.ionos.mx
- mx01.ionos.mx
MX Priorities
- mx01.ionos.mx: 10
- mx00.ionos.mx: 10
A / AAAA Records
- 74.208.236.169 ↩ 74-208-236-169.elastic-ssl.ui-r.com
- 2607:f1c0:100f:f000::22e ↩ 2607-f1c0-100f-f000-0000-0000-0000-022e.elastic-ssl.ui-r.com
Mail Server IPs
- 74.208.5.21 ↩ mx01.perfora.net
- 74.208.5.3 ↩ mx00.perfora.net
SOA Record
Raw SOA
ns1045.ui-dns.com hostmaster.1und1.com 2017060108 28800 7200 604800 600
Primary NS (mname)
ns1045.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060108
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1045.ui-dns.com
ns1045.ui-dns.de
ns1045.ui-dns.biz
ns1045.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-us.ionos.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- brevo-code:2ce4580797be137fd9ed80ff3ece6dfa
- SPFv=spf1 include:_spf-us.ionos.com ~all
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