Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
redblue.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 03:49:05 UTC · ↺ Refresh
MX Hostnames
- redblue-de.mail.protection.outlook.com
MX Priorities
- redblue-de.mail.protection.outlook.com: 0
A / AAAA Records
- 34.36.160.137 ↩ 137.160.36.34.bc.googleusercontent.com
Mail Server IPs
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.mediamarktsaturn.com hostmaster.mediamarktsaturn.com 2018040379 10800 3600 2419200 900
Primary NS (mname)
ns1.mediamarktsaturn.com
Admin Email (rname)
hostmaster@mediamarktsaturn.com
Serial
2018040379
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
a10-67.akam.net
a4-65.akam.net
a5-66.akam.net
a1-250.akam.net
a18-64.akam.net
a9-67.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=msh._spf.media-saturn.com
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
10 records- atlassian-domain-verification=GXZ6OOqZ7xs6A5ycgM/RiFfnIJ31PRfSUwa0/U4EqwvpaEPBmJvkhoHhS8TOyHfd
- MS=ms87202930
- adobe-idp-site-verification=264e1393-183e-4141-a0ea-1c7464c4a790
- SPFv=spf1 redirect=msh._spf.media-saturn.com
- knowbe4-site-verification=1f13de584dce0780361fddd7cd0a4dec
- KdybycyNVdzYsmn0zj0CnSgEfxQCWbeEH/NafIqkS38zMXdIw0EIO2xyLfJTFCbmg3TxNqbPPSIzL29x3exfbA==
- onetrust-domain-verification=458ab1c6b44b40bcb1f6ff777ba2b4b1
- atlassian-domain-verification=zjoCTMXFKdP3Akxsob4j84xO3mOE1UP4EaRp/3FaafmKFOPyPsKFatclNX131etH
- google-site-verification=ySXuDI41Bm4PXyw8WC1-Gi5Oesq52h47RpAt5gT7d4E
- cisco-ci-domain-verification=93569edf77f91993a9e2e2eb8910017f5acb1f668f12dadf61b91d8f534b08e
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