Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lernstudio-barbarossa.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 09:44:13 UTC · ↺ Refresh
MX Hostnames
- lernstudiobarbarossa.in.tmes.trendmicro.eu
MX Priorities
- lernstudiobarbarossa.in.tmes.trendmicro.eu: 0
A / AAAA Records
- 185.76.237.185 (no PTR)
- 2a00:1c98:60:1400::1:1502:5efd (no PTR)
Mail Server IPs
- 18.185.115.145 ↩ in.tmes.trendmicro.eu
- 18.185.115.147 ↩ in.tmes.trendmicro.eu
- 18.185.115.146 ↩ in.tmes.trendmicro.eu
SOA Record
Raw SOA
ns73.domaincontrol.com dns.jomax.net 2025102100 28800 7200 604800 600
Primary NS (mname)
ns73.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025102100
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns74.domaincontrol.com
ns73.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.sendinblue.com include:spf.tmes.trendmicro.com include:spf.emailsignatures365.com include:trustpilotservice.com include:spf.protection.outlook.com ip4:149.72.231.231 ip4:149.72.58.118 ip4:24.134.209.169 ip4:34.141.88.213 ip4:172.246.33.42 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- sendinblue-code:359f305228c47c1a348e6b24f84f5634
- ahrefs-site-verification_46fa971146a74e8625189513e128aa833844397a84132117f74d30c179a22323
- google-site-verificationQzqSjyOHeHjqL7_vV76mZAwmx4XEFLIOu4rwKC03Mw
- google-site-verification=fRFfUINlgeh0OF29gUPCP-Z-9lNjdMc5uVU7Ojh5OcU
- hes=0efdc5d1e6544990e649a7c2328c6f27
- SPFv=spf1 a mx include:spf.sendinblue.com include:spf.tmes.trendmicro.com include:spf.emailsignatures365.com include:trustpilotservice.com include:spf.protection.outlook.com ip4:149.72.231.231 ip4:149.72.58.118 ip4:24.134.209.169 ip4:34.141.88.213 ip4:172.246.33.42 -all
- google-site-verification=WIddePZb5jRU7rQ71QYt3_6lWlNSUv4z49T1PBMO__8
- MS=ms36561571
- facebook-domain-verification=n3ucgogfh8knntlsnfpqkhxmcvdro8
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