ultracompany.com

Valid Email Server
Domain Lookup › ultracompany.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ultracompany.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 14:27:17 UTC · ↺ Refresh

MX Hostnames

  • ultracompany-com.p10.mxthunder.com
  • ultracompany-com.p30.mxthunder.net
  • ultracompany-com.p40.mxthunder.net
  • ultracompany-com.p20.mxthunder.net

MX Priorities

  • ultracompany-com.p30.mxthunder.net: 30
  • ultracompany-com.p40.mxthunder.net: 40
  • ultracompany-com.p10.mxthunder.com: 10
  • ultracompany-com.p20.mxthunder.net: 20

A / AAAA Records

  • 172.67.200.200 (no PTR)
  • 104.21.44.146 (no PTR)
  • 2606:4700:3035::ac43:c8c8 (no PTR)
  • 2606:4700:3032::6815:2c92 (no PTR)

Mail Server IPs

  • 209.41.68.192 ↩ bolt105b.mxthunder.net
  • 216.172.106.52 ↩ bolt105a.mxthunder.net

SOA Record

Raw SOA amos.ns.cloudflare.com dns.cloudflare.com 2398999474 10000 2400 604800 1800
Primary NS (mname)
amos.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398999474
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sky.ns.cloudflare.com
amos.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com +a +mx +ip4:35.209.87.249 include:_spf.mailspamprotection.com include:spf.spamhero.com include:spf.mxthunder.com include:_spf.google.com include:20583664.spf04.hubspotemail.net ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected], mailto:[email protected]; pct=100; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], 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

3 records
  • google-site-verification=TBkYHVt_1Tk-Fw9OYJs_Ac8HZACz7Oux_EYUBbk7uBE
  • SPFv=spf1 include:spf.protection.outlook.com +a +mx +ip4:35.209.87.249 include:_spf.mailspamprotection.com include:spf.spamhero.com include:spf.mxthunder.com include:_spf.google.com include:20583664.spf04.hubspotemail.net ~all
  • MS=ms38209866
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