cerdagroup.com

Valid Email Server
Domain Lookup › cerdagroup.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cerdagroup.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 10:00:11 UTC · ↺ Refresh

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MX Hostnames

  • mx-mibc-fr-11.mailinblack.com
  • mx-mibc-fr-11.mailinblack.com

MX Priorities

  • mx-mibc-fr-11.mailinblack.com: 100
  • mx-mibc-fr-11.mailinblack.com: 5

A / AAAA Records

  • 176.31.21.9 ↩ 176-31-21-9.pool.sistemaip.net

Mail Server IPs

  • 4.176.17.204 (no PTR)

SOA Record

Raw SOA ns3.sistemaip.net sysadmin.sistemaip.net 2026091608 86400 7200 2019200 300
Primary NS (mname)
ns3.sistemaip.net
Admin Email (rname)
sysadmin@sistemaip.net
Serial
2026091608
Refresh
86400s
Retry
7200s
Expire
2019200s
Minimum TTL
300s

Nameservers (NS)

ns3.sistemaip.net
ns0.sistemaip.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.sistemaip.net include:spf.ipzmarketing.com include:spf.protection.outlook.com include:spf.mailinblack.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 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

3 records
  • anthropic-domain-verification-r11hfm=NjUf8Ss5ifthhwwDEfkTcKZbQ
  • SPFv=spf1 include:spf.sistemaip.net include:spf.ipzmarketing.com include:spf.protection.outlook.com include:spf.mailinblack.com -all
  • A1NzoeMNKMmnUpujtb8vMqhLaPMZ5rco
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