crescenthha.com

Valid Email Server
Domain Lookup › crescenthha.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
crescenthha.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 09:09:57 UTC · ↺ Refresh

MX Hostnames

  • mx1.biz.rr.com
  • mx2.biz.rr.com
  • crescenthha-com.mail.protection.outlook.com

MX Priorities

  • mx1.biz.rr.com: 10
  • mx2.biz.rr.com: 10
  • crescenthha-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 66.33.207.16

Mail Server IPs

  • 47.43.26.67 ↩ p-bc5-iedge-vip.rr.com.msg.pkvw.co.charter.net
  • 47.43.26.68 ↩ p-bc5-iedge-2-vip.rr.com.msg.pkvw.co.charter.net
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA melnicoff.ns.cloudflare.com dns.cloudflare.com 2398920333 10000 2400 604800 1800
Primary NS (mname)
melnicoff.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398920333
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

paityn.ns.cloudflare.com
melnicoff.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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