sybcom.de

Valid Email Server
Domain Lookup › sybcom.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 11:00:11 UTC · ↺ Refresh

MX Hostnames

  • relay.sybcom.net
  • hermes.sybcom.net

MX Priorities

  • hermes.sybcom.net: 10
  • relay.sybcom.net: 20

A / AAAA Records

  • 213.147.9.200 ↩ skynet.sybcom.net

Mail Server IPs

  • 213.147.0.30 ↩ hermes.sybcom.net
  • 213.147.3.15 ↩ relay.sybcom.net

SOA Record

Raw SOA ns1.sybcom.net dns.sybcom.de 2025050701 28800 3600 3600000 86400
Primary NS (mname)
ns1.sybcom.net
Admin Email (rname)
dns@sybcom.de
Serial
2025050701
Refresh
28800s
Retry
3600s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns1.sybcom.net
ns2.sybcom.net
ns3.sybcom.net

SPF Record

✓ Strict (-all)
v=spf1 mx a -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record
  • SPFv=spf1 mx a -all
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