Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
sk-office.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 16:10:57 UTC · ↺ Refresh
MX Hostnames
- maildomain.datevnet.de
- mx30.mailspamprotection.com
- maildomain.datevnet.com
MX Priorities
No priority data.
A / AAAA Records
- 85.13.147.244
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns5.kasserver.com
ns6.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:35.214.229.193 include:spf.easybill-mail.de include:_spf.mailspamprotection.com include:spf.protection.outlook.com include:maildomain._spf.datev.de -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms63315363
- SPFv=spf1 +a +mx +ip4:35.214.229.193 include:spf.easybill-mail.de include:_spf.mailspamprotection.com include:spf.protection.outlook.com include:maildomain._spf.datev.de -all
- google-site-verification=K0ooCFK0kOyY4sC-xKzNSNi4gCRYwHJSBAH0HC8hmBU
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 sk-office.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits