scdot.org

Valid Email Server
Domain Lookup › scdot.org

Domain Overview

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

Checked via [email protected] · 2026-04-03 19:03:53 UTC · ↺ Refresh

MX Hostnames

  • mx1.hc2593-73.iphmx.com
  • mx2.hc2593-73.iphmx.com

MX Priorities

  • mx1.hc2593-73.iphmx.com: 10
  • mx2.hc2593-73.iphmx.com: 20

A / AAAA Records

  • 151.101.67.10 (no PTR)
  • 151.101.131.10 (no PTR)
  • 151.101.195.10 (no PTR)
  • 151.101.3.10 (no PTR)

Mail Server IPs

  • 216.71.145.19 ↩ esa2.hc2593-73.iphmx.com
  • 216.71.146.73 ↩ esa4.hc2593-73.iphmx.com
  • 216.71.145.17 ↩ esa1.hc2593-73.iphmx.com
  • 216.71.146.72 ↩ esa3.hc2593-73.iphmx.com

SOA Record

Raw SOA ns11.constellix.com dns.constellix.com 2015010187 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010187
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
ns21.constellix.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:167.89.67.200 ip4:216.71.145.17 ip4:216.71.146.72 ip4:216.71.146.73 ip4:216.71.145.19 ip4:4.152.136.78 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

✗ 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
  • MS=ms65945459
  • ZbxLvTiLlZFUEqrFVb86Y674rPEM9cc0+/pXLmgHYdowU+Z5Isr2c2MaiWcgZ5Qk9VF1+McxmEgmUTbFuVAo7A==
  • SPFv=spf1 ip4:167.89.67.200 ip4:216.71.145.17 ip4:216.71.146.72 ip4:216.71.146.73 ip4:216.71.145.19 ip4:4.152.136.78 include:spf.protection.outlook.com -all
  • docusign=b95c63a3-4628-49d5-8882-b0211f943dc0
  • apple-domain-verification=Xf3lYn2HttRm1gL9
  • duo_sso_verification=96JyXcKFUSXwH1I0TvLtmoZtJOTzR0oKozUIvyWTfgAf4Ruly3KVqtzI4S5f2fAZ
  • U291dGhjYXJvbGluYWRlcGFydG1lbnRvZnRyYW5zcG9ydGF0aW9u
  • atlassian-domain-verification=J3u6DdwhxWTkMiExCDUb1Z2KzqVFB1AgZz3jUNFqeUf/0BL2M1vSxU33ngeMygwF
  • autodesk-domain-verification=NPhhKBLRjMx6Wx2R_-2H
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