isler-elektro.ch

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
isler-elektro.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 20:32:35 UTC · ↺ Refresh

MX Hostnames

  • islerelektro-ch01c.mail.protection.outlook.com

MX Priorities

  • islerelektro-ch01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.netzone.ch hostmaster.netzone.ch 2026031400 10800 3600 1209600 900
Primary NS (mname)
ns1.netzone.ch
Admin Email (rname)
hostmaster@netzone.ch
Serial
2026031400
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

ns3.netzone.ch
ns1.netzone.ch
ns2.netzone.ch

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:212.203.34.238 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;aspf=s;adkim=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)

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

1 record
  • SPFv=spf1 ip4:212.203.34.238 include:spf.protection.outlook.com ~all
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