Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nb-montagen.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 12:08:11 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 10
A / AAAA Records
- 217.160.0.54 ↩ 217-160-0-54.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 172.253.122.26 ↩ bh-in-f26.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
SOA Record
Raw SOA
docks18.rzone.de hostmaster.strato-rz.de 2020071115 86400 7200 604800 300
Primary NS (mname)
docks18.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020071115
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades12.rzone.de
docks18.rzone.de
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
No TXT records found.
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 nb-montagen.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits