klinikum-leer.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
klinikum-leer.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-28 17:04:39 UTC ยท โ†บ Refresh

MX Hostnames

  • smtp.klinikum-leer.de

MX Priorities

  • smtp.klinikum-leer.de: 10

A / AAAA Records

  • 136.243.166.47 โ†ฉ www432.your-server.de

Mail Server IPs

  • 82.100.248.202 โ†ฉ smtp.klinikum-leer.de

SOA Record

Raw SOA shades03.rzone.de hostmaster.strato-rz.de 2020051112 86400 7200 604800 300
Primary NS (mname)
shades03.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051112
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks15.rzone.de
shades03.rzone.de

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:159.69.158.201 ip4:136.243.166.47 ip4:91.249.255.74 ip4:82.100.248.202 ip6:2a01:4f8:1c1e:405a::1 include:_spf.recruiting-portal.com -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; sp=reject; pct=100; aspf=s;
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Relaxed
โš  No aggregate reports (rua= not set)
โ†ณ Subdomain policy: reject

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” your provider may use a custom selector name.

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

All TXT Records

3 records
  • SPFv=spf1 ip4:159.69.158.201 ip4:136.243.166.47 ip4:91.249.255.74 ip4:82.100.248.202 ip6:2a01:4f8:1c1e:405a::1 include:_spf.recruiting-portal.com -all
  • google-site-verification=GwCqoa1Yvy9AeWOidW2gg8F_rkSO7EbLhuvG9wDAfRw
  • apple-domain-verification=BckT6Pe8E3vAJ7kJ
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 klinikum-leer.de

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

No credit card required
Get 1,000 Free Credits