its.cr

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-20 21:10:12 UTC · ↺ Refresh

MX Hostnames

  • its-cr.mail.protection.outlook.com

MX Priorities

  • its-cr.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.18.35.143 (no PTR)
  • 172.64.152.113 (no PTR)
  • 2606:4700:4405::6812:238f
  • 2a06:98c1:310b::ac40:9871

Mail Server IPs

  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ivan.ns.cloudflare.com dns.cloudflare.com 2399428085 10000 2400 604800 1800
Primary NS (mname)
ivan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399428085
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ivan.ns.cloudflare.com
ulla.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:mxsspf.sendpulse.com include:_spf.atlassian.net include:mxsmtp.sendpulse.com include:_spf.psm.knowbe4.com include:spf.turbo-smtp.com +a +mx ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

10 records
  • 36h8gqmvqholca35oh3oret5dq
  • atlassian-domain-verification=HyPn0HB1IBoDOMW1nlT7czVj3AGOFvL3LX35Gvi/sW5vN4XYeV2wp/PZAf8yi5V2
  • atlassian-domain-verification=aQqQUDmRhXGaK4fJnCTN3hWL8Q184KaPcJSx7SRONPW3gyn9LjmsaIfB0LymdRgu
  • fkdm1mp3qkcasecbsqu748vobr
  • google-site-verification=K3YkOfkrFmxASECMPXWXr_RnHxVPs2T4Wam3JZif0RM
  • google-site-verification=f1dd-IMoMlZNbeAnydfJqHmkEkooH4NKvosbFFd8iEA
  • i3cf1b9224ebmhkb16nudlkhh2
  • krisp-domain-verification=hixu2s6u3qaBhXeK360JvTY197DvjdjT
  • ll943d566v2nsnv1p1uncjssuj
  • SPFv=spf1 include:spf.protection.outlook.com include:mxsspf.sendpulse.com include:_spf.atlassian.net include:mxsmtp.sendpulse.com include:_spf.psm.knowbe4.com include:spf.turbo-smtp.com +a +mx ~all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for its.cr

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits