gravenberg.de

Valid Email Server
Domain Lookup › gravenberg.de

Domain Overview

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

Checked via [email protected] · 2026-03-19 19:15:25 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • gravenberg-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 88.198.22.168 ↩ balancer1.hosts.page-tech.de

Mail Server IPs

  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com

SOA Record

Raw SOA ns1034.ui-dns.de hostmaster.1und1.de 2017041816 28800 7200 604800 300
Primary NS (mname)
ns1034.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017041816
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1034.ui-dns.de
ns1034.ui-dns.com
ns1034.ui-dns.biz
ns1034.ui-dns.org

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms55904949
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