aoconstructionco.com

Valid Email Server
Domain Lookup › aoconstructionco.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
aoconstructionco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 08:41:49 UTC · ↺ Refresh

MX Hostnames

  • aoconstructionco-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 74.208.236.18 ↩ 74-208-236-18.elastic-ssl.ui-r.com
  • 2607:f1c0:100f:f000::200 ↩ 2607-f1c0-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1045.ui-dns.org hostmaster.1und1.com 2017060131 28800 7200 604800 600
Primary NS (mname)
ns1045.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060131
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1045.ui-dns.org
ns1040.ui-dns.com
ns1047.ui-dns.de
ns1040.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 ip4:97.76.56.2 +a mx include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

2 records
  • MS=ms32307014
  • SPFv=spf1 ip4:97.76.56.2 +a mx include:spf.protection.outlook.com -all
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