luerssen.de

Valid Email Server
Domain Lookup › luerssen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
luerssen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 20:09:12 UTC · ↺ Refresh

MX Hostnames

  • mx2.mas.t-systems-service.com
  • mx3.mas.t-systems-service.com
  • mx1.mas.t-systems-service.com

MX Priorities

  • mx1.mas.t-systems-service.com: 10
  • mx2.mas.t-systems-service.com: 20
  • mx3.mas.t-systems-service.com: 30

A / AAAA Records

  • 3.127.227.221 ↩ ec2-3-127-227-221.eu-central-1.compute.amazonaws.com
  • 2a05:d014:c67:e302:b401:ca94:aa2c:db9a (no PTR)

Mail Server IPs

  • 217.150.155.12 ↩ mgb-mta02.mas.t-systems-service.com
  • 217.150.155.10 ↩ mgb-mta01.mas.t-systems-service.com
  • 46.29.101.2 ↩ muc-mta02.mas.t-systems-service.com
  • 46.29.101.1 ↩ muc-mta01.mas.t-systems-service.com
  • 94.100.254.155 ↩ ffm-mta01.mas.t-systems-service.com

SOA Record

Raw SOA ns-716.awsdns-25.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-716.awsdns-25.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1865.awsdns-41.co.uk
ns-363.awsdns-45.com
ns-716.awsdns-25.net
ns-1339.awsdns-39.org

SPF Record

✓ Soft Fail (~all)
v=spf1 a ip4:217.89.170.16 ip4:62.153.235.142 a:spf.mas.t-systems-service.com include:antispameurope.com include:spf.crsend.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — 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

8 records
  • _webflow.karriere=one-time-verification=124b923c-9e7f-4726-943a-2be117f49a11
  • _webflow.www.karriere=one-time-verification=e79c0998-309d-4a5d-9b2f-a7d1e696805e
  • apple-domain-verification=5ZNRVsBjNPr3kCun
  • ciscocidomainverification=5f1bf7d0ea83f6cc04e3d948200c193f71c9b213794e92b51537adab2d1b7207
  • miro-verification=fa6c6c2df7a48a265efb83a2c90846c807c328c6
  • SPFv=spf1 a ip4:217.89.170.16 ip4:62.153.235.142 a:spf.mas.t-systems-service.com include:antispameurope.com include:spf.crsend.com ~all
  • _globalsign-domain-verification=d4m8v3fyBbqeQtK2m7Iv4tnqFvOMJ1kVEIwv1LU0tL
  • _globalsign-domain-verification=pieQVJjokf16Fh79kJKjctCJ6aKPGKshAdQ2fGDI4y
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