Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
sfw-berlin.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-04-01 06:43:00 UTC ยท โบ Refresh
MX Hostnames
- mxlb.ispgateway.de
MX Priorities
- mxlb.ispgateway.de: 100
A / AAAA Records
- 136.243.5.208 โฉ balancer2.hosts.page-tech.de
- 88.198.22.168 โฉ balancer1.hosts.page-tech.de
Mail Server IPs
- 80.67.18.126 โฉ mxlb.ispgateway.de
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2026021102 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021102
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns81.domaincontrol.com
ns82.domaincontrol.com
SPF Record
โ Soft Fail (~all)
v=spf1 include:spf.mailjet.com mx include:ispgateway.de ~all
๐ DNS lookups: 3/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ 1 found
mail._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.mailjet.com mx include:ispgateway.de ~all
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
Full email verification for sfw-berlin.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits