acsinc.org

Valid Email Server
Domain Lookup › acsinc.org

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
acsinc.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-18 20:07:12 UTC · ↺ Refresh

MX Hostnames

  • smtp.secureserver.net
  • mailstore1.secureserver.net

MX Priorities

  • smtp.secureserver.net: 10
  • mailstore1.secureserver.net: 0

A / AAAA Records

  • 74.208.236.220 ↩ 74-208-236-220.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

  • 216.69.141.113 ↩ osplibsmtp03-v01.prod.phx3.secureserver.net
  • 216.69.141.84 ↩ osplibsmtp02-v01.prod.phx3.secureserver.net
  • 216.69.141.71 ↩ osplibsmtp01-v01.prod.phx3.secureserver.net
  • 216.69.141.114 ↩ osplibsmtp03-v02.prod.phx3.secureserver.net
  • 216.69.141.78 ↩ osplibsmtp01-v02.prod.phx3.secureserver.net
  • 216.69.141.162 ↩ osplibsmtp02-v02.prod.phx3.secureserver.net

SOA Record

Raw SOA ns1045.ui-dns.com hostmaster.1und1.com 2017060117 28800 7200 604800 600
Primary NS (mname)
ns1045.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060117
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

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

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

2 records
  • D1019574
  • google-site-verification=7xlahWRRlBzdeEJhyBO-_5xxiHL984v36zVvbwIq094
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