seriousbyte.de

Valid Email Server
Domain Lookup › seriousbyte.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
seriousbyte.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 13:47:36 UTC · ↺ Refresh

MX Hostnames

  • mail.seriousbyte.de

MX Priorities

  • mail.seriousbyte.de: 10

A / AAAA Records

  • 188.40.218.224 ↩ dedi7027.your-server.de
  • 2a01:4f8:d0a:6747::2 ↩ dedi7027.your-server.de

Mail Server IPs

  • 188.40.218.224 ↩ dedi7027.your-server.de
  • 2a01:4f8:d0a:6747::2 ↩ dedi7027.your-server.de

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026010900 86400 10800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026010900
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
7200s

Nameservers (NS)

ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ptr include:spf.sendinblue.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=none;pct=100;adkim=r;aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ 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

4 records
  • SPFv=spf1 a mx ptr include:spf.sendinblue.com -all
  • Sendinblue-code:0189acf087d3ed5cd8cbaa5f601b5969
  • google-site-verification=TJ9fTKf2PPrALJWhJWFKLInkYCZkTAbn6Et9GaiOhg0
  • google-site-verification=rnyoFleDXicxpE0IMXrlUJRt6UmJeP-FZCYFEsBYm_c
Full email verification for seriousbyte.de

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