Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tennis04.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:55:31 UTC · ↺ Refresh
MX Hostnames
- tennis04-com.mail.protection.outlook.com
MX Priorities
- tennis04-com.mail.protection.outlook.com: 1
A / AAAA Records
- 168.119.26.13 ↩ www627.your-server.de
- 2a01:4f8:1061:13df::2 ↩ www627.your-server.de
Mail Server IPs
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026010900 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026010900
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:u8137576.wl077.sendgrid.net ip4:168.119.26.13 -all
📊 DNS lookups: 2/10
✓ 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: 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
5 records- google-site-verification=4enEMBZDMw7p8w88KWj-4uAzBIz2_1QeCVPC30A3CZM
- google-site-verification=IA3Q6TdkEBbLXvZod7vYkK_fmiAqZLOElp8J97NYB0k
- google-site-verification=Q7_ifUI4cK6evZrOYhmY-fCPFN4ZuNVGUHgHfxrfE3w
- SPFv=spf1 include:spf.protection.outlook.com include:u8137576.wl077.sendgrid.net ip4:168.119.26.13 -all
- MS=ms55863121
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