Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ars-altmann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 21:12:37 UTC · ↺ Refresh
MX Hostnames
- ars.in.tmes.trendmicro.eu
MX Priorities
- ars.in.tmes.trendmicro.eu: 10
A / AAAA Records
- 185.175.196.104 (no PTR)
- 2a00:1c98:60:1141::c40e:65a2 (no PTR)
Mail Server IPs
- 18.185.115.146 ↩ in.tmes.trendmicro.eu
- 18.185.115.145 ↩ in.tmes.trendmicro.eu
- 18.185.115.147 ↩ in.tmes.trendmicro.eu
SOA Record
Raw SOA
ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-06.azure-dns.net
ns3-06.azure-dns.org
ns4-06.azure-dns.info
ns1-06.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 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
2 records- GPNlWCiOa2Y6kv1eyjMx1SzYtdv1NL8T
- SPFv=spf1 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com include:spf-de.emailsignatures365.com -all
Full email verification for ars-altmann.de
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