skd-gruppe.de

Valid Email Server
Domain Lookup › skd-gruppe.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
skd-gruppe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 18:28:11 UTC · ↺ Refresh

MX Hostnames

  • portal.iskd.de

MX Priorities

  • portal.iskd.de: 10

A / AAAA Records

  • 148.251.177.62 ↩ static.62.177.251.148.clients.your-server.de

Mail Server IPs

  • 2.207.237.90 ↩ portal.iskd.de

SOA Record

Raw SOA ns1093.ui-dns.org hostmaster.1and1.com 2017030814 28800 7200 604800 300
Primary NS (mname)
ns1093.ui-dns.org
Admin Email (rname)
hostmaster@1and1.com
Serial
2017030814
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1101.ui-dns.com
ns1093.ui-dns.org
ns1070.ui-dns.de
ns1073.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a:portal.iskd.de include:_spf-eu.ionos.com ip4:2.207.237.90 ip4:62.146.57.18 ~all
📊 DNS lookups: 4/10
~ 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

2 records
  • v=verifydomain MS=3246536
  • SPFv=spf1 a mx a:portal.iskd.de include:_spf-eu.ionos.com ip4:2.207.237.90 ip4:62.146.57.18 ~all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

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

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

No credit card required
Get 1,000 Free Credits