istec.de

Valid Email Server
Domain Lookup › istec.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
istec.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 12:26:33 UTC · ↺ Refresh

MX Hostnames

  • mx1.mtaroutes.com
  • mx4.mtaroutes.com
  • mx3.mtaroutes.com
  • mx2.mtaroutes.com

MX Priorities

  • mx3.mtaroutes.com: 30
  • mx2.mtaroutes.com: 20
  • mx1.mtaroutes.com: 10
  • mx4.mtaroutes.com: 40

A / AAAA Records

  • 185.233.55.99 ↩ shared-clump0174-web.agenturserver.it

Mail Server IPs

  • 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
  • 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
  • 2001:550:2:61::2fc:100 (no PTR)
  • 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
  • 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com

SOA Record

Raw SOA ns1.hosting.de status.istec.de 2026032702 86400 7200 2419200 900
Primary NS (mname)
ns1.hosting.de
Admin Email (rname)
status@istec.de
Serial
2026032702
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

ns3.hosting.de
ns1.hosting.de
ns2.hosting.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:213.144.10.50 include:spf.protection.outlook.com include:spf.mtaroutes.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

2 records
  • SPFv=spf1 ip4:213.144.10.50 include:spf.protection.outlook.com include:spf.mtaroutes.com -all
  • MS=ms59507034
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