Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
winter-ingenieure.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 15:15:18 UTC · ↺ Refresh
MX Hostnames
- mx01.winter-ingenieure.de
MX Priorities
- mx01.winter-ingenieure.de: 10
A / AAAA Records
- 5.9.53.22 ↩ k10e46.meinserver.io
Mail Server IPs
- 212.117.70.37 ↩ mx01.winter-ingenieure.de
SOA Record
Raw SOA
ns01.intersolute.de ticket.intersolute.de 2026040201 86400 10800 3600000 86400
Primary NS (mname)
ns01.intersolute.de
Admin Email (rname)
ticket@intersolute.de
Serial
2026040201
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns04.intersolute.eu
ns01.intersolute.de
ns02.intersolute.de
ns03.intersolute.eu
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:89.247.249.214 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- SPFv=spf1 mx ip4:89.247.249.214 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com -all
- MS=ms90441232
- tmes=e151ca039004077aeb82bb6012e3e01c
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 winter-ingenieure.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits