Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
steuerberater-hannemann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:29:56 UTC · ↺ Refresh
MX Hostnames
- mail.steuerberater-hannemann.de
MX Priorities
- mail.steuerberater-hannemann.de: 10
A / AAAA Records
- 217.160.0.232 ↩ 217-160-0-232.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 87.139.28.45 ↩ mail.steuerberater-hannemann.de
SOA Record
Raw SOA
ns1097.ui-dns.biz hostmaster.1und1.com 2017060123 28800 7200 604800 600
Primary NS (mname)
ns1097.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060123
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1097.ui-dns.biz
ns1110.ui-dns.de
ns1078.ui-dns.org
ns1059.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:87.139.28.45 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 40 chars (valid)
⚠ Public key too short (40 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:87.139.28.45 -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 steuerberater-hannemann.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits