Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cvk.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 11:54:26 UTC · ↺ Refresh
MX Hostnames
- cvk-de.mail.protection.outlook.com
MX Priorities
- cvk-de.mail.protection.outlook.com: 10
A / AAAA Records
- 92.205.237.80 ↩ 80.237.205.92.host.secureserver.net
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
pns.dtag.de hostmaster.cvk.de 2026032400 10800 1800 2073600 7200
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
hostmaster@cvk.de
Serial
2026032400
Refresh
10800s
Retry
1800s
Expire
2073600s
Minimum TTL
7200s
Nameservers (NS)
pns.dtag.de
secondary006.dtag.net
SPF Record
✓ Strict (-all)
v=spf1 mx mx:cornelsen.de ip4:194.39.189.0/24 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; adkim=r; aspf=r
✓ Reject — strongest protection
📋 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
4 records- google-site-verification=4idUbwNCejP8rXwBJAuSBvKyUylF5XAqEfIEptF36ic
- MS=ms21533838
- yeu2J/LQDkTXTtgFGuGEYm/LK0CVszGNcrHHSpwGLw986u3anRZzUqwa42j3fQFpN603ySfeBBpVaQ3IOxS6og==
- SPFv=spf1 mx mx:cornelsen.de ip4:194.39.189.0/24 include:spf.protection.outlook.com -all
Full email verification for cvk.de
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