Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
deep-insight.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 18:52:48 UTC · ↺ Refresh
MX Hostnames
- d325225.a.ess.de.barracudanetworks.com
- d325225.b.ess.de.barracudanetworks.com
MX Priorities
- d325225.a.ess.de.barracudanetworks.com: 0
- d325225.b.ess.de.barracudanetworks.com: 10
A / AAAA Records
- 151.101.130.159 (no PTR)
Mail Server IPs
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
ns1.blacknight.com hostmaster.blacknight.com 1276182204 14400 7200 2419200 3600
Primary NS (mname)
ns1.blacknight.com
Admin Email (rname)
hostmaster@blacknight.com
Serial
1276182204
Refresh
14400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns2.blacknight.com
ns1.blacknight.com
SPF Record
✓ Strict (-all)
v=spf1 include:euro.confirmit.com include:spf.ess.de.barracudanetworks.com include:spf.protection.outlook.com ip4:3.65.158.69 ip4:3.66.141.142 ip4:46.101.42.161 mx ip4:195.162.89.188 ip4:216.34.99.12/28 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:83.138.165.68 ip4:212.100.250.11 ip4:83.138.165.69 ip4:212.100.250.18 ip4:212.100.250.19 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
5 records- i0vcgecgsu16ivgm7vdcp3750c
- MS=ms61768776
- SPFv=spf1 include:euro.confirmit.com include:spf.ess.de.barracudanetworks.com include:spf.protection.outlook.com ip4:3.65.158.69 ip4:3.66.141.142 ip4:46.101.42.161 mx ip4:195.162.89.188 ip4:216.34.99.12/28 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:83.138.165.68 ip4:212.100.250.11 ip4:83.138.165.69 ip4:212.100.250.18 ip4:212.100.250.19 -all
- MS=ms67338870
- aanmelder.nl-user=68945
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