reventec.de

Valid Email Server
Domain Lookup › reventec.de

Domain Overview

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

Checked via [email protected] · 2026-04-02 06:21:33 UTC · ↺ Refresh

MX Hostnames

  • mail.grabow-jakob.com
  • mail2.grabow-jakob.com
  • mail1.grabow-jakob.com

MX Priorities

  • mail.grabow-jakob.com: 90
  • mail1.grabow-jakob.com: 20
  • mail2.grabow-jakob.com: 30

A / AAAA Records

  • 5.9.168.114 ↩ proxy.grabow-jakob.com

Mail Server IPs

  • 5.9.168.118 ↩ s3.grabow-jakob.com
  • 88.198.119.226 ↩ static.88-198-119-226.clients.your-server.de

SOA Record

Raw SOA ns1.grabow-jakob.com mj.grabow-jakob.de 2020092801 86400 10800 3600000 86400
Primary NS (mname)
ns1.grabow-jakob.com
Admin Email (rname)
mj@grabow-jakob.de
Serial
2020092801
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns2.grabow-jakob.com
ns1.grabow-jakob.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:88.198.119.224/29 -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 a mx ip4:88.198.119.224/29 -all
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