charcoalblue.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
charcoalblue.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-10-29 23:19:31 UTC · ↺ Refresh

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MX Hostnames

  • charcoalblue-com.mail.protection.outlook.com

MX Priorities

  • charcoalblue-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.186.64 (no PTR)
  • 104.21.76.32 (no PTR)
  • 2606:4700:3033::6815:4c20
  • 2606:4700:3031::ac43:ba40

Mail Server IPs

  • 52.101.73.155 ↩ mail-am7pr02cu00203.inbound.protection.outlook.com
  • 52.101.185.114 ↩ mail-zrxpr04cu00102.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.120 ↩ mail-am7pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::8 ↩ mail-miypr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::24 ↩ mail-am6pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::a ↩ mail-wa4pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::10 ↩ mail-matpr05cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA nia.ns.cloudflare.com dns.cloudflare.com 2416558342 10000 2400 604800 1800
Primary NS (mname)
nia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2416558342
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nitin.ns.cloudflare.com
nia.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:autotask.net include:mailgun.org include:_spf.intacct.com include:spf2.accessacloud.com include:148092672.spf01.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=reject;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=2419200
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

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
  • google-site-verification=bBpOA2RptDMNuaRggCK04-rjpEkKkgxMBiXoo4gUicU
  • SPFv=spf1 include:spf.protection.outlook.com include:autotask.net include:mailgun.org include:_spf.intacct.com include:spf2.accessacloud.com include:148092672.spf01.hubspotemail.net -all
  • MS=ms97363743
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