csl-web.com

Valid Email Server
Domain Lookup › csl-web.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
csl-web.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 10:55:04 UTC · ↺ Refresh

MX Hostnames

  • cslweb-com0i.mail.eo.outlook.com
  • cslweb-com0i.mail.protection.outlook.com

MX Priorities

  • cslweb-com0i.mail.eo.outlook.com: 10
  • cslweb-com0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.26.5.130
  • 172.67.69.87
  • 104.26.4.130
  • 2606:4700:20::ac43:4557
  • 2606:4700:20::681a:582
  • 2606:4700:20::681a:482

Mail Server IPs

  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.3
  • 52.101.73.26
  • 2a01:111:f403:ca09::9
  • 2a01:111:f403:ca09::c
  • 2a01:111:f403:ca09::

SOA Record

Raw SOA fred.ns.cloudflare.com dns.cloudflare.com 2400736487 10000 2400 604800 1800
Primary NS (mname)
fred.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400736487
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

isla.ns.cloudflare.com
fred.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.mandrillapp.com include:infusionmail.com include:_spf.freshbooks.com include:spf.mtasv.net ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate 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

3 records
  • SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.mandrillapp.com include:infusionmail.com include:_spf.freshbooks.com include:spf.mtasv.net ~all
  • MS=ms61107991
  • twilio-domain-verification=535badaa4a2ec9a0863cde0586b9e33e
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