Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rs-solutions.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 11:29:35 UTC · ↺ Refresh
MX Hostnames
- rssolutions-de0e.mail.protection.outlook.com
MX Priorities
- rssolutions-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 185.175.199.0 (no PTR)
- 2a00:1c98:60:1170::803c:8ed9 (no PTR)
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024101610 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024101610
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.org
ns.udag.net
ns.udag.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com a:wp10476687.mailout.server-he.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 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
4 records- SPFv=spf1 include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com a:wp10476687.mailout.server-he.de -all
- google-site-verification=k3rcKo0VlY0q2aMURU1AzqkW8KQOkT4TBGs3C3WPr7I
- apple-domain-verification=jkgXWRpa1pfeF9Hq
- 4+2UsXPcsWE+sCGVl1/uujiSwO6b5xsXD43aUsf8LeYehjHD7s8lBTxfrspjg9BkdMKUJcXJ2vm2DzqOn2Dtjg==
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