nestwaerme.de

Valid Email Server
Domain Lookup › nestwaerme.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nestwaerme.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 17:06:53 UTC · ↺ Refresh

MX Hostnames

  • nestwaerme-de.mail.protection.outlook.com

MX Priorities

  • nestwaerme-de.mail.protection.outlook.com: 50

A / AAAA Records

  • 217.160.0.74 ↩ 217-160-0-74.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::277 ↩ 2001-08d8-100f-f000-0000-0000-0000-0277.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA ns1123.ui-dns.de hostmaster.1und1.de 2016101940 28800 7200 604800 300
Primary NS (mname)
ns1123.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2016101940
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1123.ui-dns.org
ns1123.ui-dns.biz
ns1123.ui-dns.com
ns1123.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 include:spfhard.crsend.com include:spf.protection.outlook.com include:spf.sendinblue.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 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

4 records
  • SPFv=spf1 include:spfhard.crsend.com include:spf.protection.outlook.com include:spf.sendinblue.com -all
  • sendinblue-site-verification=4046525
  • Sendinblue-code:a7751842e47af332f0c03b5f32d85a22
  • MS=ms83796328
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