is24.de

Valid Email Server
Domain Lookup › is24.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
is24.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-04 17:49:24 UTC · ↺ Refresh

MX Hostnames

  • is24-de.mail.protection.outlook.com

MX Priorities

  • is24-de.mail.protection.outlook.com: 5

A / AAAA Records

  • 18.238.55.64 ↩ server-18-238-55-64.jfk52.r.cloudfront.net
  • 18.238.55.106 ↩ server-18-238-55-106.jfk52.r.cloudfront.net
  • 18.238.55.63
  • 18.238.55.113

Mail Server IPs

  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com

SOA Record

Raw SOA ns-144.awsdns-18.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-144.awsdns-18.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-144.awsdns-18.com
ns-1991.awsdns-56.co.uk
ns-605.awsdns-11.net
ns-1287.awsdns-32.org

SPF Record

✓ Soft Fail (~all)
v=spf1 a:mxb.immobilienscout24.de a:mxm.immobilienscout24.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
  • MS=ms22133456
  • SPFv=spf1 a:mxb.immobilienscout24.de a:mxm.immobilienscout24.de include:spf.protection.outlook.com ~all
Full email verification for is24.de

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