insm.de

Valid Email Server
Domain Lookup › insm.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
insm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-28 03:21:42 UTC · ↺ Refresh

MX Hostnames

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

  • 195.201.4.180 ↩ dedivirt847.your-server.de

Mail Server IPs

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

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026012800 28800 7200 604800 360
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026012800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
360s

Nameservers (NS)

ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.dynect.net include:spf.srv2.de include:spf.crsend.com include:spf.mailjet.com include:newsmailservice.de a:spf.mas.t-systems-service.com ip4:87.79.12.44 ip4:87.79.12.45 ip4:89.1.85.243 ip4:176.9.21.28 ip4:212.114.35.242 ip4:212.114.34.232 ip4:212.114.34.50 ip4:212.114.35.226 ip4:85.13.129.239 ip4:172.16.244.130 ip4:87.79.12.40 ip4:172.16.244.15 include:spf.protection.outlook.com ip4:195.201.4.180 ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

3 records
  • Pm76dp+sgN1ravwv+9U4dIj/o3KEJSb9uKkdAmrmGCPwEJ7uuPYSKAbCvMWa188gp8mwSkrMryaNoqNdmHhiOA==
  • google-site-verification=-gUg-OlzvKLSX1_6Rpim_vY0MJsGy2liibs7JfFpKPg
  • SPFv=spf1 include:spf.dynect.net include:spf.srv2.de include:spf.crsend.com include:spf.mailjet.com include:newsmailservice.de a:spf.mas.t-systems-service.com ip4:87.79.12.44 ip4:87.79.12.45 ip4:89.1.85.243 ip4:176.9.21.28 ip4:212.114.35.242 ip4:212.114.34.232 ip4:212.114.34.50 ip4:212.114.35.226 ip4:85.13.129.239 ip4:172.16.244.130 ip4:87.79.12.40 ip4:172.16.244.15 include:spf.protection.outlook.com ip4:195.201.4.180 ~all
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