Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tvr1898.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 02:25:16 UTC · ↺ Refresh
MX Hostnames
- d331775.a.ess.de.barracudanetworks.com
- d331775.b.ess.de.barracudanetworks.com
MX Priorities
- d331775.a.ess.de.barracudanetworks.com: 10
- d331775.b.ess.de.barracudanetworks.com: 20
A / AAAA Records
- 81.169.145.74 ↩ w0a.rzone.de
- 2a01:238:20a:202:1074:: ↩ w0a.rzone.de
Mail Server IPs
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
shades02.rzone.de hostmaster.strato-rz.de 2022071758 86400 7200 604800 300
Primary NS (mname)
shades02.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2022071758
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades02.rzone.de
docks01.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.de.barracudanetworks.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
1 record- SPFv=spf1 include:spf.ess.de.barracudanetworks.com include:spf.protection.outlook.com -all
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