Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kufer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 22:05:05 UTC · ↺ Refresh
MX Hostnames
- kufer-de.mail.protection.outlook.com
MX Priorities
- kufer-de.mail.protection.outlook.com: 0
A / AAAA Records
- 85.13.142.52 ↩ dd22500.kasserver.com
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2603091249 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2603091249
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns6.kasserver.com
ns5.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:92.79.147.171 ip4:92.79.147.172 ip4:87.193.223.98 ip4:87.193.223.99 ip4:85.13.148.9 ip4:212.29.0.9 include:spf.mail.tw.de include:spf.brevo.com include:147795755.spf05.hubspotemail.net include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r; pct=100; rf=afrf; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
5 records- dcktq3o02nkh4ushbam8psmpb8
- google-site-verification=_CmzIf78gMzWVLceg9KCdWA0VAd_sfA-O6lMPt2Uo9A
- brevo-code:064fc66cd22f351eccfe03a3023f7dc6
- MS=ms93143642
- SPFv=spf1 a mx ip4:92.79.147.171 ip4:92.79.147.172 ip4:87.193.223.98 ip4:87.193.223.99 ip4:85.13.148.9 ip4:212.29.0.9 include:spf.mail.tw.de include:spf.brevo.com include:147795755.spf05.hubspotemail.net include:spf.protection.outlook.com -all
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