Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hotel-oldenburger-hof.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 02:31:37 UTC · ↺ Refresh
MX Hostnames
- mail.dextermedia.de
MX Priorities
- mail.dextermedia.de: 10
A / AAAA Records
- 85.236.47.136 ↩ mail.dextermedia.de
Mail Server IPs
- 85.236.47.137 ↩ mail.dextermedia.de
- 2001:4178:2:1147:85:236:59:180 ↩ mail.dextermedia.de
SOA Record
Raw SOA
a.ns14.net hostmaster.dextermedia.net 2025020101 10800 3600 604800 180
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@dextermedia.net
Serial
2025020101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
180s
Nameservers (NS)
c.ns14.net
d.ns14.net
a.ns14.net
b.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- SPFv=spf1 mx -all
- 201904220019023n764pxwrywto2ztf3m68zc0pnldypgyfioe5489e08icsvjh2
- 2018052211312910i8kkrz9ssmvhsszxy5nxq4hbryzluje7w12idlwuyg06rjnt
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 hotel-oldenburger-hof.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits