Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kaysser.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:32:45 UTC · ↺ Refresh
MX Hostnames
- fw.kaysser.de
MX Priorities
- fw.kaysser.de: 10
A / AAAA Records
- 82.96.76.39 (no PTR)
Mail Server IPs
- 195.50.156.242 ↩ fw.kaysser.de
SOA Record
Raw SOA
ns3.stratoserver.net hostmaster.strato-rz.de 2020051484 86400 7200 604800 300
Primary NS (mname)
ns3.stratoserver.net
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051484
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns3.stratoserver.net
ns4.stratoserver.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:195.50.156.242 ip4:185.8.84.34 ip4:52.157.149.216 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- google-site-verification=ixD8cMhmdw9f7LMnkITlPurXXS0RVJYQM1AQLoGMMqE
- apple-domain-verification=s8OhdahKNDIwqqBj
- google-site-verification=0BCF8HMiswbuLF0gbQF6RjF-9kKI8BYNHorBNJ0k8CA
- MS=ms84281551
- _globalsign-domain-verification=Az8drWvMGccVB_Z23qFcRXA5ldX-qPAQofvZdEKhFB
- SPFv=spf1 ip4:195.50.156.242 ip4:185.8.84.34 ip4:52.157.149.216 -all
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