schalkbau.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
schalkbau.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-26 17:55:04 UTC ยท โ†บ Refresh

MX Hostnames

  • mx02.hornetsecurity.com
  • mx01.hornetsecurity.com
  • mx04.hornetsecurity.com
  • mx03.hornetsecurity.com

MX Priorities

  • mx02.hornetsecurity.com: 20
  • mx01.hornetsecurity.com: 10
  • mx04.hornetsecurity.com: 40
  • mx03.hornetsecurity.com: 30

A / AAAA Records

  • 85.10.215.21 โ†ฉ dedi421.your-server.de

Mail Server IPs

  • 94.100.136.8 โ†ฉ mx02.hornetsecurity.com
  • 94.100.132.8 โ†ฉ mx01.hornetsecurity.com
  • 94.100.136.7 โ†ฉ mx04.hornetsecurity.com
  • 94.100.134.8 โ†ฉ mx03.hornetsecurity.com

SOA Record

Raw SOA a.ns14.net mail.lookout.de 2025082603 3600 14400 604800 300
Primary NS (mname)
a.ns14.net
Admin Email (rname)
mail@lookout.de
Serial
2025082603
Refresh
3600s
Retry
14400s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

c.ns14.net
b.ns14.net
d.ns14.net
a.ns14.net

SPF Record

โœ“ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:antispameurope.com -all
๐Ÿ“Š DNS lookups: 3/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; adkim=s; aspf=s; rua=mailto:[email protected]; fo=1
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Strict
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: quarantine

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ 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
  • SPFv=spf1 mx include:spf.protection.outlook.com include:antispameurope.com -all
  • MS=ms93604621
  • apple-domain-verification=ydwSuKpCchuYiaqq
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 schalkbau.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits