gridundco.de

Valid Email Server

Domain Overview

DNS: โœ“ 1mo ago Checker: โœ“ 1mo ago
gridundco.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-04-06 15:49:33 UTC ยท โ†บ Refresh

MX Hostnames

  • mxlb.ispgateway.de

MX Priorities

  • mxlb.ispgateway.de: 100

A / AAAA Records

  • 168.119.101.67 โ†ฉ static.67.101.119.168.clients.your-server.de
  • 2a01:4f8:c17:2642::1 (no PTR)

Mail Server IPs

  • 80.67.18.126 โ†ฉ mxlb.ispgateway.de

SOA Record

Raw SOA ns1.open-telekom-cloud.com admins.flavia-it.de 1 7200 900 1209600 300
Primary NS (mname)
ns1.open-telekom-cloud.com
Admin Email (rname)
admins@flavia-it.de
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns2.open-telekom-cloud.com
ns1.open-telekom-cloud.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 a a:otc-de-spf.mms.t-systems-service.com include:ispgateway.de ~all
๐Ÿ“Š DNS lookups: 3/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” 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

2 records
  • SPFv=spf1 a a:otc-de-spf.mms.t-systems-service.com include:ispgateway.de ~all
  • MS=D800D1E64DF13115EBBE504B3F3EF964551C6C08
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for gridundco.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits