external.t-systems.com

Valid Email Server
Domain Lookup › external.t-systems.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
external.t-systems.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-16 04:21:23 UTC · ↺ Refresh

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MX Hostnames

  • mailin.ng.telekom.net

MX Priorities

  • mailin.ng.telekom.net: 100

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 3.126.204.238 ↩ ec2-3-126-204-238.eu-central-1.compute.amazonaws.com
  • 3.71.246.67 ↩ ec2-3-71-246-67.eu-central-1.compute.amazonaws.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:193.192.231.129 ip4:193.192.231.130 ip4:205.201.128.0 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:_spfa.telekom.com include:_spf.t-systems.at ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

14 records
  • bw=8VyXPQySrAusenBTAKw4pGNGhKmgc7VHp9R9gj2yxCkv
  • docusign=06e0227e-04ce-4ce8-9c1f-d74b31460a47
  • mongodb-site-verification=Hd7L4dW9xBr6Mj1fTmJhpYYj75sKPxj1
  • anthropic-domain-verification-trf2tb=u48N5pJ2JhO2qreDeTtSBd9lC
  • figma-domain-verification=26a40046582abc93821e251e131a06bdad5425fcbad4ccc578061d13b7efbaf5-1742987294
  • bw=7bOHIkhiKAO2KLGXbzhevvdBAWDwsxkKkV8zcNC2buyd
  • adobe-idp-site-verification=22f64faf827865075c1f3f1d814848b67f1e2ebe012796f5b958a206affdcbeb
  • docusign=7213eaae-0638-41d2-8691-a3eb27df0dbf
  • docusign=b5a1dcdd-c1c1-47c4-aa18-94d608bbad25
  • 3LMELmSoRc7O3YHtgrEgu1RqD3mq2XTSnYUImUxysKqjyudj0QmegOFbzRhd440waOLCc96GUHKzEiCvbpf6oQ==
  • u00UQQssbK2UcUFRWki5xvXw4OjglWGN73dWJsozrInpCMv6lf6ER4dTm3ukq9y4yCtqTjSxt93JToKBde6hcg==
  • SPFv=spf1 ip4:193.192.231.129 ip4:193.192.231.130 ip4:205.201.128.0 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:_spfa.telekom.com include:_spf.t-systems.at ~all
  • miro-verification=089da153dee3b2bdebb4e4940c914abf39a26035
  • MS=BB93CCF6F940B28BF74FBBFA9770D7F88842B1A0
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