Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rskgroup.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 04:04:20 UTC · ↺ Refresh
MX Hostnames
- rskgroup-de.mail.protection.outlook.com
MX Priorities
- rskgroup-de.mail.protection.outlook.com: 0
A / AAAA Records
- 35.207.185.4 ↩ 4.185.207.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
dakota.ns.cloudflare.com dns.cloudflare.com 2398299669 10000 2400 604800 1800
Primary NS (mname)
dakota.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398299669
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dakota.ns.cloudflare.com
violet.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:rskgroup.de.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
6 records- MS=ms49171884
- MS=ms67230985
- access-domain-verification=6fb4bde978bf039551be9f0040600e1d29478a18f23d6c7d218964e157964af4
- SPFv=spf1 include:spf.protection.outlook.com include:rskgroup.de.spf.auto.dnssmarthost.net -all
- 842fbd05c4d8a2a2e2342480beddf6f31a5730ec79e10182e9ef6a1dbe6bbcf
- MS=ms40852691
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