Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
merz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 02:28:50 UTC · ↺ Refresh
MX Hostnames
- merz-de.mail.protection.outlook.com
MX Priorities
- merz-de.mail.protection.outlook.com: 10
A / AAAA Records
- 195.252.157.90 ↩ vm37330.psmanaged.com
Mail Server IPs
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.cscdns.net hostmaster.cscdns.net 2016022824 21600 3600 3024000 86400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2016022824
Refresh
21600s
Retry
3600s
Expire
3024000s
Minimum TTL
86400s
Nameservers (NS)
dns1.cscdns.net
dns2.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 a mx a:spf.mas.t-systems-service.com ip4:91.212.243.80 ip4:188.95.7.19 ip4:185.55.232.147 ip4:4.180.241.48 ip4:20.50.250.10 ip4:57.153.160.20 ip4:57.153.164.184 ip4:135.236.72.96 ip4:20.101.183.17 include:spf.crsend.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
12 records- SPFv=spf1 a mx a:spf.mas.t-systems-service.com ip4:91.212.243.80 ip4:188.95.7.19 ip4:185.55.232.147 ip4:4.180.241.48 ip4:20.50.250.10 ip4:57.153.160.20 ip4:57.153.164.184 ip4:135.236.72.96 ip4:20.101.183.17 include:spf.crsend.com include:spf.protection.outlook.com -all
- apple-domain-verification=Dq46FG0QQ2oDNN7k
- DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8BivqVy9zpg9uGtAK+gm5/c81lQPZ1GEUQaqDpCRUJYizKz7GnCosJl4pzxmlsIND/kJ0jd1vt/+460a7KN3/IH3uyn5Ha8GDbg2GpG08rbkvP9E2H5bqonyHLJEepLL9HL4WnUG+X8OeVEU+DYf2iPr071PA3saBmVYy+VZTaTBwMEZ3G4bJF0krHhC4QySErjiZ+U2ywldHluJyDaTJzcwnsNjEcNI5wo6bwlGR5BvYM5lOwZjusggEUIRWfOKL+cskuZ+4Fd9mAU1DUnYwvjZFm/avv+EyLdtdXQjV5kklTI4PnpIqeTQ8/NPIlU5tfieTzGwOpzqwhv1ov8E6QIDAQAB
- webexdomainverification.IRV1=a708dddb-2fa9-4431-aeab-fe3b1a16559c
- cFUmmUS0+NjC/eV1nIJok6VzeIQvj8EGksfHlkXKOArurqUjKPe1FC7PZf6MX9iqSMF44zyQbOaSEpWRTbBVlA==
- adobe-sign-verification=119d3f0ba4533512f67248d8908fe745
- MS=ms19082515
- cisco-ci-domain-verification=3a7337f1837a4676bd1788cb1f7464162a6a3f678b1fff68e74d41e88ac2c546
- AppID=piYwTmuL3EXJIHzIkjHhRyJ9CPmXYXE7woVIqne9q5U9jKfQRUV4fEcznCNR62HNuBXkOjjDH3iCR6K5LzhTig==
- miro-verification=2727b2a7bcd7d4346741c983346f126451866b40
- adobe-idp-site-verification=251d593148485d0d3ce82651db5c9f186cf6fcdb477364633a72c6c2b81d8d4e
- H/C/IYG8WqPx6Ruof7ZSrVNc6G801eu4SQCJHFJ5MTABHlyYBaR9+bvMxajSbtqN4/pChtFTnpDbYq087nMmsg==
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