Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hiddenseezimmer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 00:39:38 UTC · ↺ Refresh
MX Hostnames
- hiddenseezimmer-de.mail.protection.outlook.com
MX Priorities
- hiddenseezimmer-de.mail.protection.outlook.com: 0
A / AAAA Records
- 88.198.115.169 ↩ static.88-198-115-169.clients.your-server.de
- 2a01:4f8:c17:af06::1 (no PTR)
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net do-not-reply.hiddenseezimmer.de 2025060301 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@hiddenseezimmer.de
Serial
2025060301
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
c.ns14.net
a.ns14.net
b.ns14.net
d.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:amazonses.com include:spf.protection.outlook.com include:quantenmail.de include:mailgun.org include:secureserver.net a -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:amazonses.com include:spf.protection.outlook.com include:quantenmail.de include:mailgun.org include:secureserver.net a -all
- google-site-verification=XgARMZso3dlXj3oEvtwVoTxUyJJ6RWtO7ddG-v7kLGE
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 hiddenseezimmer.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits