Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
atrium-hotel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 16:39:13 UTC · ↺ Refresh
MX Hostnames
- mx19a.antispameurope.com
- mx19c.antispameurope.com
- mx19d.antispameurope.com
- mx19b.antispameurope.com
MX Priorities
- mx19b.antispameurope.com: 20
- mx19c.antispameurope.com: 30
- mx19d.antispameurope.com: 40
- mx19a.antispameurope.com: 10
A / AAAA Records
- 172.67.179.221 (no PTR)
- 104.21.43.134 (no PTR)
- 2606:4700:3031::ac43:b3dd (no PTR)
- 2606:4700:3037::6815:2b86 (no PTR)
Mail Server IPs
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
- 94.100.132.100 ↩ hsmx01.antispameurope.com
SOA Record
Raw SOA
athena.ns.cloudflare.com dns.cloudflare.com 2404117086 10000 2400 604800 1800
Primary NS (mname)
athena.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404117086
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
brad.ns.cloudflare.com
athena.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:antispameurope.com include:spf.synxis.com include:spf.sendinblue.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com include:antispameurope.com include:spf.synxis.com include:spf.sendinblue.com -all
- MS=ms74072585
- Sendinblue-code:888dd22b4bda82350061a6cbf32758a2
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 atrium-hotel.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits