t-systems.com.br

Valid Email Server
Domain Lookup › t-systems.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
t-systems.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 19:32:21 UTC · ↺ Refresh

MX Hostnames

  • mailin.ng.telekom.net

MX Priorities

  • mailin.ng.telekom.net: 100

A / AAAA Records

  • 80.158.66.24 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns4.t-systems.com.br dns.t-systems.com.br 2026031300 10800 3600 2592000 3600
Primary NS (mname)
ns4.t-systems.com.br
Admin Email (rname)
dns@t-systems.com.br
Serial
2026031300
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
3600s

Nameservers (NS)

ns1.t-systems.com.br
ns4.t-systems.com.br

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.t-systems_com_br._d.easydmarc.pro -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
⚠ 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

9 records
  • MS=ms55822953
  • _telesec-domain-validation= 4AB15AB8715A43881F36EC175A4EAC0FAF63A94D5E1D5EC48DC13C0753F8CF86
  • MS=ms22721822
  • MS=8672A367D3E785A8D0619D4E9F5C9C56CB413D2C
  • MS=ms63754009
  • SPFv=spf1 include:_spf.t-systems_com_br._d.easydmarc.pro -all
  • MS=7147B3FB662908C9B923B00965D5A45ACB98C409
  • PjsTQFv5+OejYZWV+sLxTMxjxfjFlH0+MjkCeuY/LsM=
  • apple-domain-verification=RAko3N1bqPZjfYCT
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