gs-steuerberatung.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago

Domain

Valid Email Server

Yes

Has MX Records

✓ Yes

Email Provider

Unknown

Disposable

Free Provider

Role Account

⚠ Yes

Email Relay

Privacy Protected

Checked via [email protected] · 2026-03-19 21:26:24 UTC · ↺ Refresh

MX Hostnames

mx23d.antispameurope.com
mx23a.antispameurope.com
mx23c.antispameurope.com
mx23b.antispameurope.com

MX Priorities

mx23c.antispameurope.com: 30
mx23d.antispameurope.com: 40
mx23b.antispameurope.com: 20
mx23a.antispameurope.com: 10

A / AAAA Records

217.160.0.66 ↩ 217-160-0-66.elastic-ssl.ui-r.com
2001:8d8:100f:f000::2f5 ↩ 2001-08d8-100f-f000-0000-0000-0000-02f5.elastic-ssl.ui-r.com

Mail Server IPs

94.100.134.10 ↩ hsmx06.antispameurope.com
83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
83.246.65.100 ↩ nlb01-hz2.hornetsecurity.com.65.246.83.in-addr.arpa
94.100.132.100 ↩ hsmx01.antispameurope.com

SOA Record

                  Raw SOA
                  ns1107.ui-dns.org hostmaster.kundenserver.de 2017071230 28800 7200 604800 300                

Primary NS (mname)

ns1107.ui-dns.org

Admin Email (rname)

hostmaster@kundenserver.de

Serial

2017071230

Refresh

28800s

Retry

7200s

Expire

604800s

Minimum TTL

300s

Nameservers (NS)

                      ns1107.ui-dns.de                    

                      ns1107.ui-dns.com                    

                      ns1107.ui-dns.org                    

                      ns1107.ui-dns.biz                    

SPF Record

✓ Soft Fail (~all)

                    v=spf1 include:spf.hornetsecurity.com ~all                  

📊 DNS lookups: 1/10

~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found

                      selector1._domainkey
                    

                      selector2._domainkey
                    

✓ Public key: 392 chars (valid)

✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records

SPFv=spf1 include:spf.hornetsecurity.com ~all
MS=ms40614146
2022120120071001tyd99k0v35gqmxfb4khbfqw26evjhuqsn3roh3qevywuq9pi

Free · No signup required

Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

One line of code · Works on any site

See demo & docs

Deep verification

Full email verification for gs-steuerberatung.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required

Get 1,000 Free Credits