Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buhl-gruppe.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 05:02:49 UTC · ↺ Refresh
MX Hostnames
- d332877.b.ess.de.barracudanetworks.com
- d332877.a.ess.de.barracudanetworks.com
MX Priorities
- d332877.b.ess.de.barracudanetworks.com: 20
- d332877.a.ess.de.barracudanetworks.com: 10
A / AAAA Records
- 89.58.58.21 ↩ buhl-gruppe.de
Mail Server IPs
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2026032085 28800 7200 1209600 3600
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2026032085
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
third-dns.netcup.net
root-dns.netcup.net
second-dns.netcup.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:217.5.138.130 ip4:46.142.222.20 ip4:82.135.105.240 ip4:62.146.106.39 ip4:62.146.106.40 include:spfhard.crsend.com include:shops.shopify.com include:spf.protection.outlook.com include:bmcollab.de include:spf.ess.de.barracudanetworks.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- SPFv=spf1 mx ip4:217.5.138.130 ip4:46.142.222.20 ip4:82.135.105.240 ip4:62.146.106.39 ip4:62.146.106.40 include:spfhard.crsend.com include:shops.shopify.com include:spf.protection.outlook.com include:bmcollab.de include:spf.ess.de.barracudanetworks.com include:spf-de.emailsignatures365.com -all
- MS=ms45619139
- google-site-verification=0AD65aaTpd0rxvrkS_QTOujC0VM8-fjnfTKvqJ-5COk
- srdF15LHJEvHVUTuCcbVqGrl184wf1xEf+0z1BMwAQ4966HumS+eaLP9WM/K3mc5zxq78ZcYlkxU+2IgRU8CnA==
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