altar-construction.com

Valid Email Server
Domain Lookup › altar-construction.com

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
altar-construction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-23 00:17:10 UTC · ↺ Refresh

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MX Hostnames

  • mx-cluster-ca-fallback.hornetsecurity.com
  • mx-cluster-ca01.hornetsecurity.com
  • mx-cluster-ca03.hornetsecurity.com
  • altarconstruction-com01c.mail.protection.outlook.com
  • mx-cluster-ca02.hornetsecurity.com

MX Priorities

  • mx-cluster-ca01.hornetsecurity.com: 10
  • mx-cluster-ca02.hornetsecurity.com: 20
  • mx-cluster-ca03.hornetsecurity.com: 30
  • mx-cluster-ca-fallback.hornetsecurity.com: 40
  • altarconstruction-com01c.mail.protection.outlook.com: 50

A / AAAA Records

  • 172.67.196.119
  • 104.21.36.155
  • 2606:4700:3036::6815:249b
  • 2606:4700:3031::ac43:c477

Mail Server IPs

  • 108.163.133.231 (no PTR)
  • 209.172.38.68 (no PTR)
  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::1

SOA Record

Raw SOA nolan.ns.cloudflare.com dns.cloudflare.com 2409040166 10000 2400 604800 1800
Primary NS (mname)
nolan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2409040166
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sreeni.ns.cloudflare.com
nolan.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:51.161.33.1 include:spf.hornetsecurity.com include:satelcom.qc.ca include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • SPFv=spf1 a mx ip4:51.161.33.1 include:spf.hornetsecurity.com include:satelcom.qc.ca include:spf.protection.outlook.com ~all
  • MS=ms55672035
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