Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
os-informatique.fr
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 03:54:55 UTC · ↺ Refresh
MX Hostnames
- node2-fr.n0c.com
MX Priorities
- node2-fr.n0c.com: 10
A / AAAA Records
- 104.21.78.133 (no PTR)
- 172.67.222.29 (no PTR)
- 2606:4700:3030::6815:4e85 (no PTR)
- 2606:4700:3030::ac43:de1d (no PTR)
Mail Server IPs
- 146.88.238.39 ↩ node2-fr.n0c.com
SOA Record
Raw SOA
george.ns.cloudflare.com dns.cloudflare.com 2397637052 10000 2400 604800 1800
Primary NS (mname)
george.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397637052
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sara.ns.cloudflare.com
george.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:146.88.238.39 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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 a mx ip4:146.88.238.39 ~all
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