optimize360.fr

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
optimize360.fr
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 14:33:43 UTC · ↺ Refresh

MX Hostnames

  • aspmx2.googlemail.com
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • SMTP.google.com
  • aspmx3.googlemail.com

MX Priorities

  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • aspmx3.googlemail.com: 10
  • smtp.google.com: 1
  • alt1.aspmx.l.google.com: 5
  • aspmx2.googlemail.com: 10

A / AAAA Records

  • 109.234.165.177

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.16.26 ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
  • 142.251.16.27 ↩ bl-in-f27.1e100.net
  • 142.251.111.27 ↩ bk-in-f27.1e100.net
  • 142.251.179.27 ↩ pd-in-f27.1e100.net
  • 142.251.179.26 ↩ pd-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
  • 2607:f8b0:4004:c1f::1b
  • 2607:f8b0:4004:c1f::1a
  • 108.177.123.26
  • 2800:3f0:4003:c0f::1a

SOA Record

Raw SOA ns1.o2switch.net sysadmin.o2switch.fr 2026031802 3600 1800 1209600 86400
Primary NS (mname)
ns1.o2switch.net
Admin Email (rname)
sysadmin@o2switch.fr
Serial
2026031802
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.o2switch.net
ns1.o2switch.net

SPF Record

✓ Soft Fail (~all)
v=spf1 +ip4:109.234.165.177 +include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=90;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 90% of failing messages only

DKIM Selectors

✓ 2 found
google._domainkey
default._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

5 records
  • google-site-verification=FqeBafkXWLYxRvG7-70D7NocjAwalEDz__aPPo4K690
  • pinterest-site-verification=18f711040da6dfa38440f153b8fa4146
  • google-site-verification=5RmGMg9MR3vpC5UWKee4QPBu-umdrJbAwBbaVEOxyzE
  • SPFv=spf1 +ip4:109.234.165.177 +include:_spf.google.com ~all
  • facebook-domain-verification=y36066fenlq3eafsf3ibmwmbqkd5qm
Full email verification for optimize360.fr

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