pro-active.de

Valid Email Server
Domain Lookup › pro-active.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
pro-active.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 18:08:21 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 212.8.207.35 ↩ web2.teuto.net
  • 2001:ae2:207::1:eb:2 ↩ web2.teuto.net

Mail Server IPs

  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
  • 52.101.103.137 ↩ mail-miypr02cu00101.inbound.protection.outlook.com
  • 52.101.73.145 ↩ mail-am6pr02cu00301.inbound.protection.outlook.com
  • 52.101.103.39 ↩ mail-miypr05cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:c967::a ↩ mail-cpjpr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.teuto.net hostmaster.teuto.net 2026090102 28000 7200 604800 86400
Primary NS (mname)
ns1.teuto.net
Admin Email (rname)
hostmaster@teuto.net
Serial
2026090102
Refresh
28000s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.teuto.net
ns3.teuto.net
ns1.teuto.net

SPF Record

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

DMARC Record

✗ Missing

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

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
  • c21b4d405e11307841632e8b2078e9ed333d247f397c7feee5b858b514d6e80
  • 2f9f0e7822eb743df57b1be86bc159957108dae48f915f27e6326f781658840
  • 99bd8c2d632728ad5f5586de6673be097112cade38d865c5b9dc4cfca44606ff
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.teuto.net -all
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