dehn-instatec.de

Valid Email Server
Domain Lookup › dehn-instatec.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dehn-instatec.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 11:25:24 UTC · ↺ Refresh

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MX Hostnames

  • dehninstatec-de01b.mail.protection.outlook.com

MX Priorities

  • dehninstatec-de01b.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.221.132 (no PTR)
  • 104.21.25.3 (no PTR)
  • 2606:4700:3033::ac43:dd84
  • 2606:4700:3030::6815:1903

Mail Server IPs

  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA aaden.ns.cloudflare.com dns.cloudflare.com 2397803065 10000 2400 604800 1800
Primary NS (mname)
aaden.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397803065
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

brenna.ns.cloudflare.com
aaden.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a ip4:84.39.68.16/28 ip4:84.39.68.64/26 ip4:87.129.247.8/29 ip4:87.191.21.96/29 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.cloud.ci-solution.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

5 records
  • SPFv=spf1 a ip4:84.39.68.16/28 ip4:84.39.68.64/26 ip4:87.129.247.8/29 ip4:87.191.21.96/29 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.cloud.ci-solution.com -all
  • N+VE2K5WdCWUtUhAfVpdiiNjg3iEF7dZjGUg0jo0HcP6ctuFtxxoxCcHZWpkNDdus0pEmaEOGQxUbpyNVMnx0A==
  • apple-domain-verification=Ip9kOTh00OmCpZ9T
  • atlassian-domain-verification=Ew5bStJc/AkatIDuzkXLS0E/1A8fx9x8yXicSmo7c9oAB4okD3qy4nYaHkhiVbD4
  • lz19ooEUxM2dYXPmnNxVHpS0NoAzsYpX10kgyud5/l5Geb9smToUq4iQ53fS6sZPNkumqhIiOIdLVmlUWJv35A==
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