us-installations.com

Valid Email Server

Domain Overview

DNS: ✓ 10d ago Checker: ✓ 10d ago
us-installations.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-16 09:10:12 UTC · ↺ Refresh

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MX Hostnames

  • mx02.hornetsecurity.com
  • mx01.hornetsecurity.com
  • mx04.hornetsecurity.com
  • mx03.hornetsecurity.com

MX Priorities

  • mx01.hornetsecurity.com: 10
  • mx02.hornetsecurity.com: 10
  • mx03.hornetsecurity.com: 10
  • mx04.hornetsecurity.com: 10

A / AAAA Records

  • 172.67.75.119 (no PTR)
  • 104.26.4.119 (no PTR)
  • 104.26.5.119 (no PTR)
  • 2606:4700:20::681a:577 (no PTR)
  • 2606:4700:20::ac43:4b77 (no PTR)
  • 2606:4700:20::681a:477 (no PTR)

Mail Server IPs

  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com

SOA Record

Raw SOA elaine.ns.cloudflare.com dns.cloudflare.com 2414961971 10000 2400 604800 1800
Primary NS (mname)
elaine.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2414961971
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

elaine.ns.cloudflare.com
moura.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.azurecomm.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

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

9 records
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.azurecomm.net -all
  • vbgs8av4o740oq17lfli4sno7e
  • 29i2ja1fpdfd4hdbi2e31ak29h
  • 643qmaf4cjdf0j8o93fl8kshs6
  • MS=ms66398748
  • hosting
  • ms-domain-verification=9f03060c-63be-4e47-8d0e-b12072738ead
  • qt3648rlsf5qq5s3620odklr8o
  • tpoiunbmod1v8j007h64l9fd1v
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