gustoso-gruppe.de

Valid Email Server
Domain Lookup › gustoso-gruppe.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gustoso-gruppe.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 20:23:58 UTC · ↺ Refresh

MX Hostnames

  • gustosogruppe-de01i.mail.protection.outlook.com

MX Priorities

  • gustosogruppe-de01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.52 ↩ 217-160-0-52.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::22b ↩ 2001-08d8-100f-f000-0000-0000-0000-022b.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1098.ui-dns.org hostmaster.1und1.com 2017060181 28800 7200 604800 600
Primary NS (mname)
ns1098.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060181
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1097.ui-dns.biz
ns1124.ui-dns.de
ns1098.ui-dns.org
ns1114.ui-dns.com

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

✓ 2 found
selector1._domainkey
selector2._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
  • apple-domain-verification=M9Bsz3Lrko4jhSGK
  • linkedin-site-verification=57561075-6473-4183-b925-4675297b1272
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms64309245
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