Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
konzepthaus-ws.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 12:36:12 UTC · ↺ Refresh
MX Hostnames
- ASPMX.L.GOOGLE.com
MX Priorities
- aspmx.l.google.com: 20
A / AAAA Records
- 199.60.103.104 (no PTR)
- 199.60.103.4 (no PTR)
Mail Server IPs
- 142.251.179.26 ↩ pd-in-f26.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
SOA Record
Raw SOA
x.ns.joker.com hostmaster.joker.com 2025121048 14400 3600 1209600 300
Primary NS (mname)
x.ns.joker.com
Admin Email (rname)
hostmaster@joker.com
Serial
2025121048
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
z.ns.joker.com
x.ns.joker.com
y.ns.joker.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:4436303.spf03.hubspotemail.net include:_spf.google.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
✓ 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
10 records- atlassian-domain-verification=DEKI3t7uoKbxcGCOsaYHu38yygXVaQuqeyOla0oHdv9evpHMGJRyp1n77p/QUYI9
- dmEN6AIBfzeNzzFK3TOo2AHSlFnKinWfVbtBhUJ0K10=
- konzepthaus-ws.azurewebsites.net
- apple-domain-verification=XxzdiKQgrYbBi1Fc
- SPFv=spf1 include:4436303.spf03.hubspotemail.net include:_spf.google.com ~all
- slack-domain-verification=yFAH7ohAAWPepdxQQhddnMidM3bR5amOV7UjZKyt
- 1password-site-verification=WEZGVGWRPJCIXHIDCNLO7OVRUU
- hubspot-developer-verification=MGViMDAxNzgtMDUzOS00ZDIzLWE5MTYtZWZjZTI0OWIzMWQ4
- MS=513D5ECDBC3F718BA833CD2CF710B156A1D1B816
- miro-verification=f81e786bacc5df51ca8d28b174d48c12c76bef11
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 konzepthaus-ws.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits