Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
wh4.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-25 05:46:07 UTC ยท โบ Refresh
MX Hostnames
- dedi6424.your-server.de
MX Priorities
- dedi6424.your-server.de: 10
A / AAAA Records
- 157.90.187.131 โฉ dedi6424.your-server.de
Mail Server IPs
- 157.90.187.131 โฉ dedi6424.your-server.de
- 2a01:4f8:d0a:756c::2 โฉ dedi6424.your-server.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026012800 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026012800
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de
SPF Record
โ Strict (-all)
v=spf1 a mx include:spf.nl2go.com include:spf.sendinblue.com -all
๐ DNS lookups: 4/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1;p=reject;sp=reject;pct=100;adkim=s;aspf=s;
โ Reject โ strongest protection
๐ SPF alignment: Strict
ยท DKIM alignment: Strict
โ No aggregate reports (rua= not set)
โณ Subdomain policy: reject
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx include:spf.nl2go.com include:spf.sendinblue.com -all
- google-site-verification=l9-dPf8Z1DVxkE-MHIG8nsYr2cXvh5kURrAfXstmkjo
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Verify actual deliverability to wh4.de
SMTP handshake, catch-all detection, custom validation rules, and Yahoo/Outlook/Gmail verification โ know if the mailbox truly exists before you send.
Get 1,000 Free Credits