niemerszein.de

Valid Email Server

Domain Overview

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

Checked via [email protected] ยท 2026-04-02 16:03:31 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.0.103 โ†ฉ 217-160-0-103.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2fc โ†ฉ 2001-08d8-100f-f000-0000-0000-0000-02fc.elastic-ssl.ui-r.com

Mail Server IPs

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

SOA Record

Raw SOA ns1106.ui-dns.org hostmaster.1und1.de 2017040894 28800 7200 604800 300
Primary NS (mname)
ns1106.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017040894
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1106.ui-dns.org
ns1106.ui-dns.de
ns1106.ui-dns.biz
ns1106.ui-dns.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 a include:spf.hornetsecurity.com include:spf.brevo.com mx a:mailout.edeka.de include:spf.protection.outlook.com a:mout.kundenserver.de ip4:193.21.248.63 ip4:62.55.215.155 ~all
๐Ÿ“Š DNS lookups: 7/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; adkim=r; aspf=r;
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: none

DKIM Selectors

โœ“ 1 found
mail._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ 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
  • apple-domain-verification=zQ0RUubd0SqaTbQ6
  • SPFv=spf1 a include:spf.hornetsecurity.com include:spf.brevo.com mx a:mailout.edeka.de include:spf.protection.outlook.com a:mout.kundenserver.de ip4:193.21.248.63 ip4:62.55.215.155 ~all
  • brevo-code:cf9b672889e07fad8065486c70149e4d
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 niemerszein.de

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

No credit card required
Get 1,000 Free Credits