Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
helios-kliniken.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 03:53:48 UTC · ↺ Refresh
MX Hostnames
- mx6.helios-kliniken.de
- mx5.helios-kliniken.de
MX Priorities
- mx6.helios-kliniken.de: 10
- mx5.helios-kliniken.de: 10
A / AAAA Records
- 23.200.88.77 ↩ a23-200-88-77.deploy.static.akamaitechnologies.com
- 23.200.88.58 ↩ a23-200-88-58.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:1e::1730:e0ee ↩ g2600-141b-1c00-001e-0000-0000-1730-e0ee.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:1e::1730:e0ef ↩ g2600-141b-1c00-001e-0000-0000-1730-e0ef.deploy.static.akamaitechnologies.com
Mail Server IPs
- 193.104.84.102 ↩ mx6.helios-kliniken.de
- 193.104.84.101 ↩ mx5.helios-kliniken.de
SOA Record
Raw SOA
a1-53.akam.net hostmaster.helios-gesundheit.de 2023022870 28800 7200 1209800 86400
Primary NS (mname)
a1-53.akam.net
Admin Email (rname)
hostmaster@helios-gesundheit.de
Serial
2023022870
Refresh
28800s
Retry
7200s
Expire
1209800s
Minimum TTL
86400s
Nameservers (NS)
a2-64.akam.net
a4-64.akam.net
a13-66.akam.net
a16-65.akam.net
a1-53.akam.net
a11-64.akam.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:193.104.84.96/32 ip4:193.104.84.97/32 ip4:94.198.59.108/32 ip4:193.104.84.10/32 ip4:193.104.84.98/32 ip4:5.199.137.199/32 ip4:185.109.108.148/32 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- apple-domain-verification=IqnSb0tKtO6U3kWF
- MS=ms18743103
- _globalsign-domain-verification=3kXquqLttILGLKZqvHRcx-zx5zWePvJ3rT7i-a6hHJ
- L3APRT0EBn62O9bCq6Q9j7HmfZXzU9Le49eq/JUnkV/NQ7JiIvwx8KSB1kH5Dl/hBQVdizBX7ncHD2jzgTvd0g==
- SPFv=spf1 mx ip4:193.104.84.96/32 ip4:193.104.84.97/32 ip4:94.198.59.108/32 ip4:193.104.84.10/32 ip4:193.104.84.98/32 ip4:5.199.137.199/32 ip4:185.109.108.148/32 -all
- rovag_verification_token=4EFE00D2BF614D6BB5E86E0C706CFA3C
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 helios-kliniken.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits