Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
papierdrachen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 09:13:18 UTC · ↺ Refresh
MX Hostnames
- v149062.goserver.host
- v149062.goserver.host
MX Priorities
- v149062.goserver.host: 10
- v149062.goserver.host: 20
A / AAAA Records
- 45.153.58.149 ↩ v149062.goserver.host
Mail Server IPs
- 45.153.58.149 ↩ v149062.goserver.host
SOA Record
Raw SOA
ns1.webgo.de whois.webgo.de 2016071900 39940 14400 604800 43200
Primary NS (mname)
ns1.webgo.de
Admin Email (rname)
whois@webgo.de
Serial
2016071900
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
43200s
Nameservers (NS)
ns1.webgo.de
ns2.webgo.de
ns4.webgo.de
ns3.webgo.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:37.17.224.0/21 ip4:185.30.32.0/22 ip4:88.82.224.0/19 ip4:45.153.56.0/22 include:spf.sendinblue.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
mail._domainkey
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a mx ip4:37.17.224.0/21 ip4:185.30.32.0/22 ip4:88.82.224.0/19 ip4:45.153.56.0/22 include:spf.sendinblue.com -all
- google-site-verification=qFAkBuQIiaNLpnzw1hlHDI3PxbzREGMhJDc51-a-gqU
- apple-domain-verification=c4DMGk30sFJSWpXM
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 papierdrachen.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits