tsigroupinc.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
tsigroupinc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 06:58:22 UTC · ↺ Refresh

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MX Hostnames

  • mail04.rockwellcollins.com
  • mail01.rockwellcollins.com
  • mail09.rockwellcollins.com
  • mail06.rockwellcollins.com
  • mail05.rockwellcollins.com
  • mail07.rockwellcollins.com
  • mail08.rockwellcollins.com
  • mail10.rockwellcollins.com
  • cust46253-1.in.mailcontrol.com
  • mail02.rockwellcollins.com
  • cust46253-2.in.mailcontrol.com
  • mail11.rockwellcollins.com

MX Priorities

  • mail05.rockwellcollins.com: 5
  • mail06.rockwellcollins.com: 5
  • mail07.rockwellcollins.com: 5
  • mail08.rockwellcollins.com: 5
  • mail09.rockwellcollins.com: 5
  • mail10.rockwellcollins.com: 5
  • mail11.rockwellcollins.com: 5
  • cust46253-1.in.mailcontrol.com: 10
  • cust46253-2.in.mailcontrol.com: 10
  • mail01.rockwellcollins.com: 5
  • mail02.rockwellcollins.com: 5
  • mail04.rockwellcollins.com: 5

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 205.175.226.35 (no PTR)
  • 205.175.227.35 (no PTR)
  • 205.175.226.48 (no PTR)
  • 205.175.227.48 (no PTR)

SOA Record

Raw SOA pdns209.ultradns.com web.domainadmin\@collins.com 2018062604 28800 7200 604800 3600
Primary NS (mname)
pdns209.ultradns.com
Admin Email (rname)
web@domainadmin\@collins.com
Serial
2018062604
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

pdns209.ultradns.org
pdns209.ultradns.biz
pdns209.ultradns.com
pdns209.ultradns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:208.78.72.0/24 ip4:208.78.73.0/24 a:mxout.beaerospace.com ~ all
📊 DNS lookups: 1/10

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
  • spf v=spf1 ip4:205.175.225.0/24 ip4:205.175.226.0/23 ip4:131.198.0.0/16 ~all 120 min
  • SPFv=spf1 ip4:208.78.72.0/24 ip4:208.78.73.0/24 a:mxout.beaerospace.com ~ all
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