Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zaehringer-stuben.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 23:27:40 UTC · ↺ Refresh
MX Hostnames
- server.touronline.email
MX Priorities
- server.touronline.email: 10
A / AAAA Records
- 162.55.254.212 ↩ www615.your-server.de
- 2a01:4f8:1061:13bb::2 ↩ www615.your-server.de
Mail Server IPs
- 91.220.129.70 ↩ server.touronline.email
SOA Record
Raw SOA
nsa3.schlundtech.de heidelberg.touronline.ag 2024082301 43200 7200 1209600 86400
Primary NS (mname)
nsa3.schlundtech.de
Admin Email (rname)
heidelberg@touronline.ag
Serial
2024082301
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsa3.schlundtech.de
nsc3.schlundtech.de
nsd3.schlundtech.de
nsb3.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mailersend.net include:server.touronline.email ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ri=86400;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:_spf.mailersend.net include:server.touronline.email ~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 zaehringer-stuben.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits