Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
s-tech-racing.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:08:08 UTC · ↺ Refresh
MX Hostnames
- stechracing-de0ce.mail.protection.outlook.com
MX Priorities
- stechracing-de0ce.mail.protection.outlook.com: 0
A / AAAA Records
- 172.66.43.103 (no PTR)
- 172.66.40.153 (no PTR)
- 2606:4700:3108::ac42:2b67
- 2606:4700:3108::ac42:2899
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
david.ns.cloudflare.com dns.cloudflare.com 2399498934 10000 2400 604800 1800
Primary NS (mname)
david.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399498934
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
david.ns.cloudflare.com
dawn.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.crsend.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- domainsecurity-verification=d8d40924f5c64a6dd2420660cc3c377162f1ffd7
- SPFv=spf1 a mx include:spf.crsend.com include:spf.protection.outlook.com -all
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