Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
e-systems.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 23:21:53 UTC · ↺ Refresh
MX Hostnames
- mail1.e-systems.de
MX Priorities
- mail1.e-systems.de: 10
A / AAAA Records
- 77.75.251.165 ↩ cloud5-vm429.de-nserver.de
Mail Server IPs
- 62.221.240.132 ↩ mail1.e-systems.de
SOA Record
Raw SOA
ns1111.ui-dns.org hostmaster.schlund.de 2017033427 28800 7200 604800 300
Primary NS (mname)
ns1111.ui-dns.org
Admin Email (rname)
hostmaster@schlund.de
Serial
2017033427
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1111.ui-dns.biz
ns1111.ui-dns.de
ns1111.ui-dns.org
ns1111.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a:smtp.1und1.de a:smtp.ionos.de ip4:212.23.155.34 ip4:62.221.240.132 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo 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
3 records- MS=ms41937433
- SPFv=spf1 mx a:smtp.1und1.de a:smtp.ionos.de ip4:212.23.155.34 ip4:62.221.240.132 ~all
- google-site-verification=SeJ3K31CS89XlWsY4bA6U7yZ0ZMwQXAVUec4RcGgitc
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 e-systems.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits