Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
fc-steuer.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-22 05:03:07 UTC ยท โบ Refresh
MX Hostnames
- nsp02.sicheronline.net
- nsp01.sicheronline.net
MX Priorities
- nsp01.sicheronline.net: 10
- nsp02.sicheronline.net: 20
A / AAAA Records
- 84.200.229.181 (no PTR)
Mail Server IPs
- 82.100.228.26 โฉ nsp01.sicheronline.net
- 85.220.218.202 โฉ nsp01.sicheronline.net
SOA Record
Raw SOA
ns1066.ui-dns.de hostmaster.1und1.de 2017060227 28800 7200 604800 300
Primary NS (mname)
ns1066.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017060227
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1066.ui-dns.de
ns1066.ui-dns.biz
ns1066.ui-dns.org
ns1066.ui-dns.com
SPF Record
โ Strict (-all)
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de include:_spf.atikon.com a:nsp01.sicheronline.net a:nsp02.sicheronline.net a:mail.fp-sign.com ip4:82.100.228.26 ip4:195.4.128.247 -all
๐ DNS lookups: 6/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
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:_spf.perfora.net include:_spf.kundenserver.de include:_spf.atikon.com a:nsp01.sicheronline.net a:nsp02.sicheronline.net a:mail.fp-sign.com ip4:82.100.228.26 ip4:195.4.128.247 -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 fc-steuer.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits