sii-engineering.de

Valid Email Server
Domain Lookup › sii-engineering.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sii-engineering.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 01:21:23 UTC · ↺ Refresh

MX Hostnames

  • siiengineering-de0i.mail.protection.outlook.com

MX Priorities

  • siiengineering-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.190.220 (no PTR)
  • 104.21.92.88 (no PTR)
  • 2606:4700:3033::6815:5c58
  • 2606:4700:3033::ac43:bedc

Mail Server IPs

  • 52.101.166.1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
  • 52.101.166.2 ↩ mail-paup264cu00202.inbound.protection.outlook.com
  • 52.101.166.0 ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
  • 52.101.164.0 ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca25:: ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca1e:: ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca25::1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
  • 2a01:111:f403:ca25::2 ↩ mail-paup264cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA kiki.ns.cloudflare.com dns.cloudflare.com 2398766262 10000 2400 604800 1800
Primary NS (mname)
kiki.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398766262
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kiki.ns.cloudflare.com
nash.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:91.250.84.180 include:spf.protection.outlook.com include:spf.protection.outlook.de include:sii-engineering.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=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

7 records
  • dropbox-domain-verification=9ervbw26ymdo
  • google-site-verification=Sqo4Q_qSqQJZHqI9osqigfw-Y2J8F8zMch5irkfI7dQ
  • google-site-verification=vyjbpwew0yagRYY7ic-jfwWpJ83SGdFN7j09Da6QBco
  • have-i-been-pwned-verification=aae93b80c58e57c7d47669b399698186
  • SPFv=spf1 ip4:91.250.84.180 include:spf.protection.outlook.com include:spf.protection.outlook.de include:sii-engineering.de ~all
  • MS=ms32018947
  • MS=ms63083956
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