Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
infozentrum-kaltenbronn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 15:56:09 UTC · ↺ Refresh
MX Hostnames
- mail.infozentrum-kaltenbronn.de
MX Priorities
- mail.infozentrum-kaltenbronn.de: 10
A / AAAA Records
- 3.74.177.42 ↩ ulm.jweiland.cloud
- 2a05:d014:14f:aa1a:4443:90ea:24a7:e984 ↩ ulm.jweiland.cloud
Mail Server IPs
- 3.74.177.42 ↩ ulm.jweiland.cloud
- 2a05:d014:14f:aa1a:4443:90ea:24a7:e984 ↩ ulm.jweiland.cloud
SOA Record
Raw SOA
ns-1254.awsdns-28.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1254.awsdns-28.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1254.awsdns-28.org
ns-1687.awsdns-18.co.uk
ns-418.awsdns-52.com
ns-570.awsdns-07.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +a:ulm.jweiland.cloud include:amazonses.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +a:ulm.jweiland.cloud include:amazonses.com ~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 infozentrum-kaltenbronn.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits