Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
markusdoettling.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 08:59:25 UTC · ↺ Refresh
MX Hostnames
- markusdoettling-de.mail.protection.outlook.com
MX Priorities
- markusdoettling-de.mail.protection.outlook.com: 10
A / AAAA Records
- 116.202.252.187 ↩ dedi6208.your-server.de
- 2a01:4f8:d0a:751a::2 ↩ dedi6208.your-server.de
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026012900 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026012900
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:116.202.252.187 ip4:138.201.1.21 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- apple-domain-verification=8ruqT7wCYAMn7Fnv
- brevo-code:33b35474515b41ed8e95a6b9fdabf0d0
- google-site-verification=IkLNC2SWp2UnWmGoc3jq3LmrosxsCKt3tvNexRX8xXg
- google-site-verification=wlZ5qcGt-Nz-ZEGbSA0VGD_w-3vnBHuYMKSzl7zUo-c
- SPFv=spf1 ip4:116.202.252.187 ip4:138.201.1.21 include:spf.protection.outlook.com -all
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