marlonb.de

Valid Email Server

Domain Overview

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

Checked via [email protected] ยท 2026-04-04 19:22:36 UTC ยท โ†บ Refresh

MX Hostnames

  • werda.marbleck.eu
  • isar.mx.marbleck.eu

MX Priorities

  • isar.mx.marbleck.eu: 10
  • werda.marbleck.eu: 30

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 195.128.103.90 โ†ฉ isar.mx.marbleck.eu
  • 2a03:4000:35:5eb::a โ†ฉ isar.mx.marbleck.eu
  • 168.119.136.84 โ†ฉ werda.marbleck.eu
  • 2a01:4f8:251:a8:3000::4a58 โ†ฉ werda.marbleck.eu

SOA Record

Raw SOA aida.ns.cloudflare.com dns.cloudflare.com 2400447926 10000 2400 604800 1800
Primary NS (mname)
aida.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400447926
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

aida.ns.cloudflare.com
neil.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:_spf.marbleck.eu -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; sp=none; ruf=mailto:[email protected]; adkim=s; aspf=s; fo=1;
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Strict
โš  No aggregate reports (rua= not set)
โ†ณ Subdomain policy: none

DKIM Selectors

โœ“ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
โš  Public key (p=) missing in DKIM record for selector google.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • Sendinblue-code:ef8e6896db2172b93a6d2fb84f1aed86
  • brevo-code:ef8e6896db2172b93a6d2fb84f1aed86
  • google-site-verification=98HSBuw6FKR1PW5_Og3GntWjCTgZvFagoyZ7TTqbm6U
  • SPFv=spf1 include:_spf.marbleck.eu -all
  • MS=ms80312580
  • MS=ms91000598
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 marlonb.de

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

No credit card required
Get 1,000 Free Credits