cotierra.com

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

Domain Overview

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

Checked via [email protected] · 2026-07-01 14:53:05 UTC · ↺ Refresh

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MX Hostnames

  • cotierra-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 99.83.190.102 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
  • 75.2.70.75 ↩ aacb0a264e514dd48.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
  • 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
  • 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
  • 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca3e::1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns77.domaincontrol.com dns.jomax.net 2024092001 28800 7200 604800 600
Primary NS (mname)
ns77.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024092001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns78.domaincontrol.com
ns77.domaincontrol.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

3 records
  • google-site-verification=Th3qfi6B1gL_Sz7wqLjJ4lfk0cb5e5CUHm5doHzsP2w
  • google-site-verification=rfvrkwXNRZKEwQi_b-E81JuPlO1yvX0KanN6SUTcMkM
  • SPFv=spf1 include:spf.protection.outlook.com -all
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