Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fresenius-netcare.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:08:51 UTC · ↺ Refresh
MX Hostnames
- freseniusnetcare-com02c.mail.protection.outlook.com
MX Priorities
- freseniusnetcare-com02c.mail.protection.outlook.com: 10
A / AAAA Records
- 185.57.240.115 ↩ fre0-balancer.iquer.net
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.fresenius.de hostmaster.fresenius.de 2025081400 28800 7200 2419200 3600
Primary NS (mname)
ns1.fresenius.de
Admin Email (rname)
hostmaster@fresenius.de
Serial
2025081400
Refresh
28800s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1.fresenius.de
ns17.knipp.net
ns3.knipp.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.fresenius.com include:psm.knowbe4.com mx:dracoon.com ip4:54.229.2.165 ip4:52.30.130.201 ip4:149.96.14.2 ip4:149.96.13.2 ip4:40.114.206.59 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
10 records- atlassian-domain-verification=sWVmdfofvgOVYFJx8Ye4fnKPNJI2icvwhTFjD1SqgmZjmKmIOlbTSjpAvo7sQBZ3
- apple-domain-verification=T09JdOu1jhoAOjDB
- docusign=82144b91-5246-4d9d-9aa4-713dcfd3c62f
- MS=ms36078761
- docusign=1cfc920fc92748429101c29dfe5f80cc
- MS=16E91C82F46FCA87670914F04C32F607B6C0A4C2
- have-i-been-pwned-verification=62bcf9bceb6b51e22320bbffc4aa2e40
- adobe-idp-site-verification=3160a544-8759-4510-9c9e-6168aba2629b
- SPFv=spf1 include:spf.fresenius.com include:psm.knowbe4.com mx:dracoon.com ip4:54.229.2.165 ip4:52.30.130.201 ip4:149.96.14.2 ip4:149.96.13.2 ip4:40.114.206.59 -all
- docusign=2cb6ab2a-d4e6-4a91-9c53-b4e825bd7b36
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 fresenius-netcare.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits