thermo-isolierbau.de

Valid Email Server
Domain Lookup › thermo-isolierbau.de

Domain Overview

DNS: ✓ 17h ago Checker: ✓ 17h ago
thermo-isolierbau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-05 02:39:07 UTC · ↺ Refresh

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MX Hostnames

  • thermoisolierbau-de01e.mail.protection.outlook.com

MX Priorities

  • thermoisolierbau-de01e.mail.protection.outlook.com: 10

A / AAAA Records

  • 217.160.0.15 ↩ 217-160-0-15.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::29c ↩ 2001-08d8-100f-f000-0000-0000-0000-029c.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.103.143 ↩ mail-miypr03cu00107.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2021121530 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2021121530
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.de
ns.udag.org
ns.udag.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=3Y2ouR-YQ26F_cc17peNnhliSD2-iE7fyZPg-UTywK4
  • ms=ms27730416
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