siefritz-prengel.de

Valid Email Server
Domain Lookup › siefritz-prengel.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
siefritz-prengel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 12:33:03 UTC · ↺ Refresh

MX Hostnames

  • siefritz-prengel.net

MX Priorities

  • siefritz-prengel.net: 10

A / AAAA Records

  • 176.9.19.136 ↩ siefritz-prengel.net
  • 2a01:4f8:150:1381::2 ↩ siefritz-prengel.net

Mail Server IPs

  • 176.9.19.136 ↩ siefritz-prengel.net
  • 2a01:4f8:150:1381::2 ↩ siefritz-prengel.net

SOA Record

Raw SOA hydrogen.ns.hetzner.com dns.hetzner.com 2023102400 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2023102400
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 ip4:176.9.19.136 ip6:2a01:4f8:150:1381::2 -all
📊 DNS lookups: 0/10
✓ 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 ip4:176.9.19.136 ip6:2a01:4f8:150:1381::2 -all
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