altundkelber.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-28 22:21:25 UTC · ↺ Refresh

MX Hostnames

  • conwert-at.mail.protection.outlook.com

MX Priorities

  • conwert-at.mail.protection.outlook.com: 5

A / AAAA Records

  • 144.76.56.14 ↩ static.14.56.76.144.clients.your-server.de

Mail Server IPs

  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ens01.drei.host hostmaster.drei.host 2022092702 10800 3600 604800 600
Primary NS (mname)
ens01.drei.host
Admin Email (rname)
hostmaster@drei.host
Serial
2022092702
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ens02.drei.host
ens01.drei.host

SPF Record

✓ Strict (-all)
v=spf1 a ip4:185.49.52.18 ip4:91.223.147.42 ip4:192.166.197.103 ip4:192.166.197.130 ip4:178.162.202.139 ip4:213.235.193.203 ip4:194.177.155.37 include:spf.protection.outlook.com -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

3 records
  • SPFv=spf1 a ip4:185.49.52.18 ip4:91.223.147.42 ip4:192.166.197.103 ip4:192.166.197.130 ip4:178.162.202.139 ip4:213.235.193.203 ip4:194.177.155.37 include:spf.protection.outlook.com -all
  • i3lDEjTarDdIdHHYgIniPubGOU0RsrfjcTWPlxFN97FlCE9VFPY8XYjzGFaAUiCAjvt5JyFvnuCkj6bo1cMQxw==
  • MS=ms47561063
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