jbcm.com

Valid Email Server
Domain Lookup › jbcm.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
jbcm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 09:54:00 UTC · ↺ Refresh

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MX Hostnames

  • jbcm-com.mail.protection.outlook.com

MX Priorities

  • jbcm-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 213.229.186.232 (no PTR)

Mail Server IPs

  • 52.101.103.39 ↩ mail-miypr05cu00207.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.181.156 ↩ mail-wa4pr05cu00104.inbound.protection.outlook.com
  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::e ↩ mail-matpr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns0.es.colt.net eudnsmaster.colt.net 2026062900 43200 7200 604800 600
Primary NS (mname)
ns0.es.colt.net
Admin Email (rname)
eudnsmaster@colt.net
Serial
2026062900
Refresh
43200s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1.es.colt.net
ns0.es.colt.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:213.27.173.163 ip4:213.27.173.171 ip4:212.0.112.238 ip4:213.27.173.166 ip4:213.27.137.34 ip4:213.27.173.172 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

7 records
  • 88be6452g4vais58s7fpd7bjgk
  • MS=2935911C622343B888B5BC2F2988AA250B12CA27
  • uc8mjrh1c66892p37s8n5pnn22
  • MS=ms49676655
  • 2dp206sfpvfloaat5hk2ffjkgu
  • SPFv=spf1 ip4:213.27.173.163 ip4:213.27.173.171 ip4:212.0.112.238 ip4:213.27.173.166 ip4:213.27.137.34 ip4:213.27.173.172 include:spf.protection.outlook.com -all
  • google-site-verification=7clQ7YkW9ERYxtcMb3_3fzcE9oTiUomhEIlOE32PQJg
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