Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ig-knoernschild.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 17:32:09 UTC · ↺ Refresh
MX Hostnames
- mx-a.secumail.de
- mx-b.secumail.de
MX Priorities
- mx-a.secumail.de: 10
- mx-b.secumail.de: 10
A / AAAA Records
- 217.160.0.182 ↩ 217-160-0-182.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::283 ↩ 2001-08d8-100f-f000-0000-0000-0000-0283.elastic-ssl.ui-r.com
Mail Server IPs
- 212.11.225.133 ↩ sc01.secumail.de
- 212.11.225.17 ↩ sc03.secumail.de
- 212.11.224.132 ↩ sc02.secumail.de
- 212.11.224.154 ↩ sc04.secumail.de
SOA Record
Raw SOA
ns1022.ui-dns.biz hostmaster.kundenserver.de 2017071149 28800 7200 604800 300
Primary NS (mname)
ns1022.ui-dns.biz
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017071149
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1022.ui-dns.biz
ns1022.ui-dns.org
ns1022.ui-dns.de
ns1022.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=3EFE4097D639714942F9462D3B63B399A5BA09E8
- SPFv=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
- apple-domain-verification=lIzAM12jZQIipAeu
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 ig-knoernschild.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits