Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bitburger.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:01:34 UTC · ↺ Refresh
MX Hostnames
- bitburger-de.mail.protection.outlook.com
MX Priorities
- bitburger-de.mail.protection.outlook.com: 0
A / AAAA Records
- 185.171.217.81 (no PTR)
Mail Server IPs
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.telekom-domains.de dns.telekom.de 2025112603 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2025112603
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s
Nameservers (NS)
ns1.telekom-domains.de
ns2.telekom-domains.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:213.221.92.251 ip4:91.198.224.31 ip4:194.37.255.31 ip4:193.22.18.5 ip4:85.93.212.157 include:spf.protection.outlook.com include:spf3.k1net.de include:inxserver.com include:spf.exclaimer.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
7 records- atlassian-domain-verification=I/Xu5C0LpA7kvoEE9Ex1ZUYxhDvFzSkAXQpvUL5GBit8xPuag6vne0VnUTiek0xV
- SPFv=spf1 mx ip4:213.221.92.251 ip4:91.198.224.31 ip4:194.37.255.31 ip4:193.22.18.5 ip4:85.93.212.157 include:spf.protection.outlook.com include:spf3.k1net.de include:inxserver.com include:spf.exclaimer.net -all
- docusign=21b95cd0-2a5f-4252-bd17-8e8e2382e18f
- xvyp42d8tkgqh8zrjm41nlzntgmsmhdt
- MS=ms61647209
- google-site-verification=siYqHI1pGUrxWSFt2pwKmwQ8pILnKTdDlrAPmZhy9uM
- Nl5A8a8xCcCEkxP5sEdbSLVlmn9xPRPWGoi5LhWQb5v7NoQqmfkM9P52NyArL1PQt+VIIoUjSAeP9mMF7ywZLQ==
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