ardcontracting.com

Valid Email Server
Domain Lookup › ardcontracting.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ardcontracting.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 18:50:19 UTC · ↺ Refresh

MX Hostnames

  • mx1-us.emailsecurity.app
  • mx2-us.emailsecurity.app

MX Priorities

  • mx2-us.emailsecurity.app: 10
  • mx1-us.emailsecurity.app: 0

A / AAAA Records

  • 170.187.156.227 ↩ mercury.infomedia.com

Mail Server IPs

  • 172.212.4.33 ↩ mx1-us.emailsecurity.app
  • 40.121.188.167 ↩ mx1-us.emailsecurity.app

SOA Record

Raw SOA ns43.domaincontrol.com dns.jomax.net 2026010601 28800 7200 604800 600
Primary NS (mname)
ns43.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026010601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns44.domaincontrol.com
ns43.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

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

4 records
  • MS=ms96349507
  • vqrkirbh2mtn0d0bmtsmqlu5u3
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • tmes=2c76447eac5a0e4b76a5c287955927c5
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