jbl.de

Valid Email Server
Domain Lookup › jbl.de

Domain Overview

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

Checked via [email protected] · 2026-03-30 15:46:43 UTC · ↺ Refresh

MX Hostnames

  • asl4.speyerweb.de
  • mx04.speyerweb.de

MX Priorities

  • asl4.speyerweb.de: 20
  • mx04.speyerweb.de: 10

A / AAAA Records

  • 79.133.54.25 ↩ jbl.de

Mail Server IPs

  • 217.151.154.70 ↩ asl4.speyerweb.de
  • 217.151.157.130 ↩ mx04.speyerweb.de

SOA Record

Raw SOA ns1.routing.net hostmaster.jbl.de 2026021100 3600 7200 3600000 900
Primary NS (mname)
ns1.routing.net
Admin Email (rname)
hostmaster@jbl.de
Serial
2026021100
Refresh
3600s
Retry
7200s
Expire
3600000s
Minimum TTL
900s

Nameservers (NS)

ns2.routing.net
ns1.routing.net
ns3.routing.net

SPF Record

✓ Strict (-all)
v=spf1 a:mail.jbl.de a:asl.speyerweb.de a:mx04.speyerweb.de a:mx05.speyerweb.de ip4:217.151.154.64/29 include:spf.dedenet.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • apple-domain-verification=d5BXuDH7u3eqrRmO
  • facebook-domain-verification=598nix4cbfggsgdzf49a0l4hddzus0
  • google-site-verification=jg4wFzzsi5N5-6DfpWTTIw4fvaqk2wgvhP4UkfyJRFA
  • SPFv=spf1 a:mail.jbl.de a:asl.speyerweb.de a:mx04.speyerweb.de a:mx05.speyerweb.de ip4:217.151.154.64/29 include:spf.dedenet.de -all
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