Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spr-etl.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 10:28:37 UTC · ↺ Refresh
MX Hostnames
- d336282.b.ess.de.barracudanetworks.com
- d336282.a.ess.de.barracudanetworks.com
MX Priorities
- d336282.a.ess.de.barracudanetworks.com: 0
- d336282.b.ess.de.barracudanetworks.com: 10
A / AAAA Records
- 31.31.209.183 ↩ heym-kollegen.de
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
ns5.kasserver.com hostmaster.kasserver.com 2603170936 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2603170936
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns5.kasserver.com
ns6.kasserver.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:w01d0ccb.kasserver.com include:spf-de.emailsignatures365.com include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all mx a ?all
📊 DNS lookups: 6/10
? Neutral (?all) — no enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=5;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 5% of failing messages only
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a:w01d0ccb.kasserver.com include:spf-de.emailsignatures365.com include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all mx a ?all
- c77b4q3geelr8us3jlakccs125
- MS=ms42501400
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