grebenstein.de

Valid Email Server
Domain Lookup › grebenstein.de

Domain Overview

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

Checked via [email protected] · 2026-03-24 18:51:15 UTC · ↺ Refresh

MX Hostnames

  • sslmail.verwaltungsportal.de

MX Priorities

  • sslmail.verwaltungsportal.de: 100

A / AAAA Records

  • 144.76.55.199 ↩ hoover-ssl.servers.verwaltungsportal.de
  • 178.63.30.37 ↩ krabappel-ssl.servers.verwaltungsportal.de

Mail Server IPs

  • 88.198.106.46 ↩ evergreen.verwaltungsportal.de

SOA Record

Raw SOA ns1.first-ns.de hostmaster.verwaltungsportal.de 2025081203 10800 3600 604800 3600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
hostmaster@verwaltungsportal.de
Serial
2025081203
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.verwaltungsportal.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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 include:spf.verwaltungsportal.de ~all
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