nic.org

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
nic.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 16:02:08 UTC · ↺ Refresh

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MX Hostnames

  • us-smtp-inbound-2.mimecast.com
  • us-smtp-inbound-1.mimecast.com

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 0
  • us-smtp-inbound-1.mimecast.com: 0

A / AAAA Records

  • 141.193.213.10 (no PTR)
  • 141.193.213.11 (no PTR)

Mail Server IPs

  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1782747744 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1782747744
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns1.registrar-servers.com
dns2.registrar-servers.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:23.227.61.129 ip4:23.227.61.130 ip4:35.243.177.105 ip4:35.185.47.30 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:448110.spf06.hubspotemail.net include:_spf.mailgun.org include:_spf.eu.mailgun.org include:aspmx.pardot.com include:_spf.salesforce.com include:amazonses.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

7 records
  • asv=33cd7e2e2730e2297130ce981897fad3
  • google-site-verification=AXZxr8APImnV_xrDm5Aebvt3nVOM71s22e1E7OFh9jk
  • google-site-verification=s9Rgph_qNlNQlqlSTLJJIFwVXLYoRZXIws5ySJCD4iE
  • pardot972293=5dbf050da7f187418e42c86d4f4eeb8536f8cc9a1c76697a617c56e59eb0e04b
  • SPFv=spf1 ip4:23.227.61.129 ip4:23.227.61.130 ip4:35.243.177.105 ip4:35.185.47.30 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:448110.spf06.hubspotemail.net include:_spf.mailgun.org include:_spf.eu.mailgun.org include:aspmx.pardot.com include:_spf.salesforce.com include:amazonses.com -all
  • MS=ms59015007
  • 26v4rmb4j3182nkk3jbxcmnvrdcbqg3p
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