cosco-usa.com

Valid Email Server
Domain Lookup › cosco-usa.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cosco-usa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 19:30:16 UTC · ↺ Refresh

MX Hostnames

  • coscousa-com01c.mail.protection.outlook.com

MX Priorities

  • coscousa-com01c.mail.protection.outlook.com: 10

A / AAAA Records

  • 69.164.215.153 ↩ 69-164-215-153.ip.linodeusercontent.com

Mail Server IPs

  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA pdns09.domaincontrol.com dns.jomax.net 2026021900 28800 7200 604800 600
Primary NS (mname)
pdns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns2.cosco-usa.com
ns1.cosco-usa.com
pdns09.domaincontrol.com
pdns10.domaincontrol.com
ns3.cosco-usa.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:210.13.120.43 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

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

7 records
  • MS=ms70534506 TXT ( "v=spf1 include:spf.protection.outlook.com -all
  • ikgtbjr946coa6s2lu2lnrbs1l TXT ( "gllqimo5b4phm21763hil4cn9g
  • MS=ms70534506
  • SPFv=spf1 ip4:210.13.120.43 include:spf.protection.outlook.com -all
  • ikgtbjr946coa6s2lu2lnrbs1l
  • gllqimo5b4phm21763hil4cn9g
  • cisco-ci-domain-verification=405ab7de50a6debb675ec68884c86f422a94a7efae3eaafc73a542223a2ee4de
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