rrrdc.com

Valid Email Server
Domain Lookup › rrrdc.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rrrdc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 06:59:10 UTC · ↺ Refresh

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MX Hostnames

  • itdmail2.nd.gov
  • itdmail1.nd.gov

MX Priorities

  • itdmail2.nd.gov: 20
  • itdmail1.nd.gov: 10

A / AAAA Records

  • 165.234.159.46 (no PTR)

Mail Server IPs

  • 165.234.92.54 ↩ itdmail2.nd.gov
  • 165.234.92.53 ↩ itdmail1.nd.gov

SOA Record

Raw SOA ns2.ndnic.com itne.nd.gov 272033489 10800 3600 2592000 900
Primary NS (mname)
ns2.ndnic.com
Admin Email (rname)
itne@nd.gov
Serial
272033489
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s

Nameservers (NS)

ns3.ndnic.com
ns4.ndnic.com
ns2.ndnic.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:165.234.250.1/32 ip4:165.234.255.15/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

4 records
  • mb0q69oc1ulf5ao3vnk6s0m700
  • SPFv=spf1 a mx ip4:165.234.250.1/32 ip4:165.234.255.15/32 include:spf.protection.outlook.com -all
  • MS=ms91616749
  • knowbe4-site-verification=f72d55c76132e410514634ec3a36b278
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