collabre.co

Valid Email Server
Domain Lookup › collabre.co

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
collabre.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-18 13:55:17 UTC · ↺ Refresh

MX Hostnames

  • collabre-co.mail.protection.outlook.com

MX Priorities

  • collabre-co.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.185.159.144 (no PTR)
  • 198.185.159.145 (no PTR)
  • 198.49.23.144
  • 198.49.23.145

Mail Server IPs

  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com

SOA Record

Raw SOA bob.ns.cloudflare.com dns.cloudflare.com 2400246411 10000 2400 604800 1800
Primary NS (mname)
bob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400246411
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

bob.ns.cloudflare.com
raphaela.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com include:servers.mcsv.net include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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

3 records
  • google-site-verification=uAocag35YPXl3BqVLQyxJsf5EwZuThpFid5A3BrsVIU
  • SPFv=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com include:servers.mcsv.net include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all
  • google-site-verification=UGwenhYCzLLZNW-0BmPka_BJH9PNIdVQF1PqAvIzJHA
Full email verification for collabre.co

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