Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
christof-group.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 11:04:53 UTC · ↺ Refresh
MX Hostnames
- christofgroup-com02b.mail.protection.outlook.com
MX Priorities
- christofgroup-com02b.mail.protection.outlook.com: 0
A / AAAA Records
- 167.71.53.115 ↩ 360350.cloudwaysapps.com
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
dns2.a1.net domainadmin.a1.net 2025101600 10800 3600 1814400 3600
Primary NS (mname)
dns2.a1.net
Admin Email (rname)
domainadmin@a1.net
Serial
2025101600
Refresh
10800s
Retry
3600s
Expire
1814400s
Minimum TTL
3600s
Nameservers (NS)
dns1.a1.net
dns3.a1.net
dns2.a1.net
SPF Record
✓ Strict (-all)
v=spf1 mx:christof-group.com include:spf-de.emailsignatures365.com include:24cgf84q6.spf.checkpoint-spf.com include:spfa.cpmails.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 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- 99nKviWC/IFbcR/pCTg4UX6a6qpIJS3iFydZcMvGCW7fCod/fTemdZZ5Kwq/IMSH0qzyBCa81MBwhnS9HQucnw==
- MS=AEA9D08CA8FC8AB4B5A06DFE999EFC9462925FF5
- apple-domain-verification=YlvQqPZfsRBKmIWE
- google-site-verification=o52T6HgPjkumnsUPqjZ125ht6FYn3k4ocawhGyenaMw
- SPFv=spf1 mx:christof-group.com include:spf-de.emailsignatures365.com include:24cgf84q6.spf.checkpoint-spf.com include:spfa.cpmails.com include:spf.protection.outlook.com -all
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