Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
carolabad.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-24 20:14:27 UTC ยท โบ Refresh
MX Hostnames
- mx01.celenus-kliniken.de
MX Priorities
- mx01.celenus-kliniken.de: 10
A / AAAA Records
- 217.160.0.8 โฉ 217-160-0-8.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2cb โฉ 2001-08d8-100f-f000-0000-0000-0000-02cb.elastic-ssl.ui-r.com
Mail Server IPs
- 217.28.97.13 โฉ mx01.celenus-kliniken.de
SOA Record
Raw SOA
ns1090.ui-dns.biz hostmaster.1and1.com 2018010527 28800 7200 604800 300
Primary NS (mname)
ns1090.ui-dns.biz
Admin Email (rname)
hostmaster@1and1.com
Serial
2018010527
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1042.ui-dns.org
ns1103.ui-dns.de
ns1090.ui-dns.biz
ns1040.ui-dns.com
SPF Record
โ Soft Fail (~all)
v=spf1 include:_spf01.celenus-kliniken.de ~all
๐ DNS lookups: 1/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; sp=reject
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
โ No aggregate reports (rua= not set)
โณ Subdomain policy: reject
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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
1 record- SPFv=spf1 include:_spf01.celenus-kliniken.de ~all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for carolabad.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits