company4.de

Valid Email Server
Domain Lookup › company4.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
company4.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 16:59:27 UTC · ↺ Refresh

MX Hostnames

  • mx23c.antispameurope.com
  • mx23a.antispameurope.com
  • mx23d.antispameurope.com
  • mx23b.antispameurope.com

MX Priorities

No priority data.

A / AAAA Records

  • 178.77.116.221
  • 2a01:488:42:1000:b24d:74dd:2e:4b32

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns12.domaincontrol.com
ns11.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.227.17.13 ip4:217.160.185.126 ip4:178.77.116.221 ip4:194.162.7.16 ip4:195.52.125.16 ip4:80.237.138.0/24 ip6:2a01:488:42::/48 include:spf.hornetsecurity.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✗ None detected

No 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
  • SPFv=spf1 ip4:212.227.17.13 ip4:217.160.185.126 ip4:178.77.116.221 ip4:194.162.7.16 ip4:195.52.125.16 ip4:80.237.138.0/24 ip6:2a01:488:42::/48 include:spf.hornetsecurity.com -all
  • aa7f0c6e145604ad66c01029433b4080d26997e23d1038b23ba5ec455935a9d
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