sentinel-it.de

Valid Email Server
Domain Lookup › sentinel-it.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sentinel-it.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 22:01:55 UTC · ↺ Refresh

MX Hostnames

  • mxtls.expurgate.net

MX Priorities

  • mxtls.expurgate.net: 10

A / AAAA Records

  • 172.67.169.145
  • 104.21.27.166
  • 2606:4700:3036::ac43:a991
  • 2606:4700:3033::6815:1ba6

Mail Server IPs

  • 195.190.135.124 ↩ mxtls.expurgate.net
  • 195.190.135.125 ↩ mxtls.expurgate.net
  • 194.145.224.120 ↩ mxtls.expurgate.net
  • 194.145.224.121 ↩ mxtls.expurgate.net
  • 194.145.224.122 ↩ mxtls.expurgate.net
  • 194.145.224.123 ↩ mxtls.expurgate.net
  • 194.145.224.124 ↩ mxtls.expurgate.net
  • 194.145.224.125 ↩ mxtls.expurgate.net
  • 195.190.135.120 ↩ mxtls.expurgate.net
  • 195.190.135.121 ↩ mxtls.expurgate.net
  • 195.190.135.122
  • 195.190.135.123

SOA Record

Raw SOA casey.ns.cloudflare.com dns.cloudflare.com 2399292104 10000 2400 604800 1800
Primary NS (mname)
casey.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399292104
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

casey.ns.cloudflare.com
diana.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.expurgate.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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

4 records
  • apple-domain-verification=5TFFK5TkeXR4vLOF
  • atlassian-domain-verification=xAAyK1wVusLQTtnXxJqLKoNSnfSEOPWMQLTokzE27i92UGZ3mBs1nhKLB+12pfD5
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.expurgate.net -all
  • MS=ms67516794
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