altenburger.ch

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
altenburger.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-11 03:40:33 UTC · ↺ Refresh

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MX Hostnames

  • altenburger-ch.mail.protection.outlook.com

MX Priorities

  • altenburger-ch.mail.protection.outlook.com: 10

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
  • 52.101.181.156 ↩ mail-wa4pr05cu00104.inbound.protection.outlook.com
  • 52.101.185.24 ↩ mail-zrxpr07cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c967::a ↩ mail-cpjpr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-03.azure-dns.com azuredns-hostmaster.microsoft.com 2017121100 3600 300 2419200 300
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2017121100
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-03.azure-dns.org
ns4-03.azure-dns.info
ns1-03.azure-dns.com
ns2-03.azure-dns.net

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:194.209.49.215 ip4:194.209.49.216 a:mail.altenburger.ch include:_spf.psm.knowbe4.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ 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

5 records
  • _x0h5lm6l4f8pacq5orsctlr8ugihede
  • MS=ms74903063
  • SPFv=spf1 mx a ip4:194.209.49.215 ip4:194.209.49.216 a:mail.altenburger.ch include:_spf.psm.knowbe4.com include:spf.protection.outlook.com -all
  • CD949D82-4177-45C2-B4F7-62BB7B638F6E
  • google-site-verification=R3Z6JjV1WwtbaRmZuw6JXRAda1BUjVVwEA3vJfOBliI
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