Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
1sternehotel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 21:53:12 UTC · ↺ Refresh
MX Hostnames
- mx4.antispampanel.de
- mx2.antispampanel.de
- mx1.antispampanel.de
- mx3.antispampanel.de
MX Priorities
- mx4.antispampanel.de: 40
- mx1.antispampanel.de: 10
- mx2.antispampanel.de: 20
- mx3.antispampanel.de: 30
A / AAAA Records
- 3.67.203.118 ↩ ec2-3-67-203-118.eu-central-1.compute.amazonaws.com
- 3.77.17.165 ↩ ec2-3-77-17-165.eu-central-1.compute.amazonaws.com
- 35.158.163.209 ↩ ec2-35-158-163-209.eu-central-1.compute.amazonaws.com
Mail Server IPs
- 195.30.107.49 (no PTR)
- 195.30.108.157 ↩ server1.antispampanel.de
- 195.30.107.48 ↩ server2.antispampanel.de
- 195.30.108.158 (no PTR)
SOA Record
Raw SOA
alina.ns.cloudflare.com dns.cloudflare.com 2413525989 10000 2400 604800 1800
Primary NS (mname)
alina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2413525989
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dan.ns.cloudflare.com
alina.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +mx +ip4:195.30.107.57 +ip4:88.198.154.192 include:mail.fbr-webhosting.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
2 records- google-site-verification=rfHeMQQRyWvTxpJZAE94wa7yh_t0nq3XxRySAPJgUM8
- SPFv=spf1 +mx +ip4:195.30.107.57 +ip4:88.198.154.192 include:mail.fbr-webhosting.de -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 · Customize →
See demo & docs
Deep verification
Full email verification for 1sternehotel.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits