sybille-seifried.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sybille-seifried.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 11:32:35 UTC · ↺ Refresh

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MX Hostnames

  • mail.sybille-seifried.de
  • web63.r-z-m.org

MX Priorities

  • mail.sybille-seifried.de: 20
  • web63.r-z-m.org: 10

A / AAAA Records

  • 195.63.103.249 ↩ web63.r-z-m.org

Mail Server IPs

  • 195.63.103.249 ↩ web63.r-z-m.org

SOA Record

Raw SOA dns1.regsystem.net hostmaster.regsystem.net 2024041001 86400 28800 604800 3600
Primary NS (mname)
dns1.regsystem.net
Admin Email (rname)
hostmaster@regsystem.net
Serial
2024041001
Refresh
86400s
Retry
28800s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns2.regsystem.net
dns3.regsystem.net
dns1.regsystem.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:185.159.120.246 ip4:195.63.103.249 -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

✓ 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

1 record
  • SPFv=spf1 a mx ip4:185.159.120.246 ip4:195.63.103.249 -all
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