Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vonguttenberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 10:14:56 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 212.227.119.137 (no PTR)
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
shades20.rzone.de hostmaster.strato-rz.de 2020061485 86400 7200 604800 300
Primary NS (mname)
shades20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020061485
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades20.rzone.de
docks07.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];sp=quarantine;adkim=r;aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
6 records- 202410122127234f61i49ky45tbhrfte3ib48c3hmybyzc6cjpjl7famohy8nv22
- yf5hjvcgrc6prm8tmcj4rms998zlmvtc
- MS=ms10482452
- zone-ownership-verification-d8c3dfa73d88ef9b7c6ea6ec3374ef0e163b9ff5117484e41f1bdc126f7857a9
- SPFv=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
- _n5madhpctz2jmgilugusvwb5t8nt275
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