reseco.de

Valid Email Server
Domain Lookup › reseco.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
reseco.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 17:46:04 UTC · ↺ Refresh

MX Hostnames

  • mail.itside.de
  • sp.itside.de

MX Priorities

  • mail.itside.de: 10
  • sp.itside.de: 10

A / AAAA Records

  • 83.138.89.106 ↩ wutite.han-solo.net

Mail Server IPs

  • 91.137.119.86 ↩ mail.itside.de
  • 62.91.136.176 (no PTR)

SOA Record

Raw SOA hydrogen.ns.hetzner.com dns.hetzner.com 2026020600 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026020600
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

SPF Record

✓ Strict (-all)
v=spf1 +mx +a:sp.itside.de +a:mail.itside.de +a:zeus.reseco.de +a:reserv.han-solo.net +include:spf.crsend.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

3 records
  • SPFv=spf1 +mx +a:sp.itside.de +a:mail.itside.de +a:zeus.reseco.de +a:reserv.han-solo.net +include:spf.crsend.com -all
  • MS=0BF889FB0911723510C251E2CB9B0F481363A8C2
  • MS=ms52477668
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