Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schako.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 03:02:50 UTC · ↺ Refresh
MX Hostnames
- d334021.b.ess.de.barracudanetworks.com
- d334021.a.ess.de.barracudanetworks.com
MX Priorities
- d334021.a.ess.de.barracudanetworks.com: 0
- d334021.b.ess.de.barracudanetworks.com: 0
A / AAAA Records
- 37.17.229.178 ↩ v199664.goserver.host
Mail Server IPs
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
ns01.v-dns.de hostmaster.v-dns.de 2025111901 3600 3600 604800 600
Primary NS (mname)
ns01.v-dns.de
Admin Email (rname)
hostmaster@v-dns.de
Serial
2025111901
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns01.v-dns.de
ns02.v-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.de.barracudanetworks.com include:spf-de.emailsignatures365.com MX ip4:217.7.150.195/32 include:spf.protection.outlook.com mx:indivsurvey.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
6 records- apple-domain-verification=1Lo68toOBJXRq6eC
- SPFv=spf1 include:spf.ess.de.barracudanetworks.com include:spf-de.emailsignatures365.com MX ip4:217.7.150.195/32 include:spf.protection.outlook.com mx:indivsurvey.de -all
- google-site-verification=rKqkvAx7QHSrBEI-3RrCuDY_YjogtyKQzw0QTrzrReM
- MS=ms55447335
- bw=niCIH41eJbKAWvFvxZMnjPw232rB0IJfp2C2/rnW3Jcc
- canva-site-verification=PnZTRFUl1XkWvyhd_7R4Ag
Full email verification for schako.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits