sierraairconditioning.com

Valid Email Server
Domain Lookup › sierraairconditioning.com

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
sierraairconditioning.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-19 10:17:19 UTC · ↺ Refresh

MX Hostnames

  • sierraair.in.tmes.trendmicro.com

MX Priorities

  • sierraair.in.tmes.trendmicro.com: 10

A / AAAA Records

  • 192.124.249.126 ↩ cloudproxy10126.sucuri.net

Mail Server IPs

  • 18.208.22.78 ↩ in.tmes.trendmicro.com
  • 18.208.22.77 ↩ in.tmes.trendmicro.com
  • 18.208.22.80 ↩ in.tmes.trendmicro.com
  • 18.208.22.79 ↩ in.tmes.trendmicro.com

SOA Record

Raw SOA ns21.domaincontrol.com dns.jomax.net 2026042001 28800 7200 604800 600
Primary NS (mname)
ns21.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026042001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns22.domaincontrol.com
ns21.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:24.120.252.146 ip4:24.120.246.138 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com -all
📊 DNS lookups: 2/10
✓ 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

6 records
  • MS=887E769D8E9BE963175F24415F32165E42BB0877
  • apple-domain-verification=UO6fEZcDIPuHqqrb
  • 8qq46p386dhh9k40b1ci91ku11
  • hes=f64067e1c0c18e29dee570c6deafb471
  • SPFv=spf1 ip4:24.120.252.146 ip4:24.120.246.138 include:spf.protection.outlook.com include:spf.tmes.trendmicro.com -all
  • f0csu4h3ave8l3mdhq9arajq3m
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