Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vdwbayern.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 10:39:13 UTC · ↺ Refresh
MX Hostnames
- vdwbayern-de.mail.protection.outlook.com
MX Priorities
- vdwbayern-de.mail.protection.outlook.com: 10
A / AAAA Records
- 188.40.28.21 ↩ www241.your-server.de
- 2a01:4f8:d0a:120a::2 ↩ www241.your-server.de
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2026030401 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026030401
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns2.domaindiscount24.net
ns1.domaindiscount24.net
ns3.domaindiscount24.net
SPF Record
✓ Strict (-all)
v=spf1 a mx a:mail.preeco.de include:_spf.atlassian.net include:spf.mailjet.com include:spf.protection.outlook.com include:spf.sendinblue.com ip4:93.104.239.3 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]!10m
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
dkim._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
11 records- SPFv=spf1 a mx a:mail.preeco.de include:_spf.atlassian.net include:spf.mailjet.com include:spf.protection.outlook.com include:spf.sendinblue.com ip4:93.104.239.3 -all
- zone-ownership-verification-42f88cfbbc880dcec358323283a1862cb218e2b160a47d8ba37ffa4de74b7773
- sendinblue-code:85f1fee24dd8790cfe328f4355b57167
- splashtop-sso-challenge-20230123.vdwbayern.de=z8c261f672bf0d9d7488b41e938ed929
- Foxit-domain-verification=5c0b99f27449a494e8ada18c30cc67e3
- atlassian-sending-domain-verification=c2c1cad9-2eed-47ae-8c66-4e6cfaae14e8
- atlassian-domain-verification=c8ZlCMm89tNb1LQvvc2/ANNmjH2GL8r2AaAVReTf2a8O5uLUE1kt5Li4Kod/rT7u
- spycloud-domain-verification=eb2b0db0-dd6b-46f4-abc8-cf7e698ec5e5
- apple-domain-verification=BVgDs62wPNrPjdBf
- sophos-domain-verification=524500707bac18f9b9be2e5baf3c1de59a1133245729fa21308a868b816c5327
- MS=ms13223001
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