Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
extremus.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 16:20:09 UTC · ↺ Refresh
MX Hostnames
- extremus.in.tmes.trendmicro.eu
MX Priorities
- extremus.in.tmes.trendmicro.eu: 50
A / AAAA Records
- 92.205.251.92 (no PTR)
Mail Server IPs
- 18.185.115.145 ↩ in.tmes.trendmicro.eu
- 18.185.115.146 ↩ in.tmes.trendmicro.eu
- 18.185.115.147 ↩ in.tmes.trendmicro.eu
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2026022700 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns82.domaincontrol.com
ns81.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:spf.tmes.trendmicro.eu include:secureserver.net include:ispgateway.de ip4:213.168.74.170 ip4:213.168.74.173 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- MS=ms16703862
- SPFv=spf1 mx include:spf.protection.outlook.com include:spf.tmes.trendmicro.eu include:secureserver.net include:ispgateway.de ip4:213.168.74.170 ip4:213.168.74.173 -all
- duo_sso_verification=SpEBAjz20YAPIKfztUhe0xTSyCY4SuItlItrv8NjfUkxOyedrgHVoeFljuLFxm0s
- tmes=7df10a751b594010a6b8d41e315cbc03
Full email verification for extremus.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits