cn9sipoffice.com - robtex.com
cn9sipoffice.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778557431 | ||||||
Same first word
cn9sipoffice.com |
DNS History
14 records (11 active, 3 former)
●NShidden.leidos.com2026-04-16 → 2026-05-12 · 3 obs
● 2026-04-16 12:41:48
● 2026-05-12 03:53:12
●NSns1.leidos.com2026-04-16 → 2026-05-12 · 3 obs
● 2026-04-16 12:41:48
● 2026-05-12 03:53:12
○NSns1.lmco.com2015-08-13 → 2017-04-19 · 4 obs
● 2017-04-19 10:35:06
○ 2026-04-16 12:41:48
○ 2026-05-12 03:53:12
●NSns2.leidos.com2026-04-16 → 2026-05-12 · 3 obs
● 2026-04-16 12:41:48
● 2026-05-12 03:53:12
○NSns2.lmco.com2015-08-13 → 2017-04-19 · 4 obs
● 2017-04-19 10:35:06
○ 2026-04-16 12:41:48
○ 2026-05-12 03:53:12
●NSns3.leidos.com2026-04-16 → 2026-05-12 · 3 obs
● 2026-04-16 12:41:48
● 2026-05-12 03:53:12
○NSns3.lmco.com2015-08-13 → 2017-04-19 · 4 obs
● 2017-04-19 10:35:06
○ 2026-04-16 12:41:48
○ 2026-05-12 03:53:12
●A166.25.48.112015-08-13 → 2026-05-12 · 2 obs
● 2026-05-12 03:53:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net... | - |
| cn9sipoffice.com | ns1.leidos.com, ns2.leidos.com, ns3.leidos.com | 6 records |
✅ Authoritative Response
Server:205.153.240.4
NS records: ns1.leidos.com, ns2.leidos.com, ns3.leidos.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cn9sipoffice.com (unsigned zone)
⏱️ Timing
Total: 640ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 166.25.48.11 |
| NS | 3 | ns3.leidos.com, ns1.leidos.com... |
| MX | 6 | mailfi03.lmco.com (pri: 10), mailfi01.lmco.com (pri: 10)... |
| TXT | 1 | v=spf1 include:_newspf.leidos.com -all |
| SOA | 1 | hidden.leidos.com domains.leidos.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.leidos.com, ns1.leidos.com, ns2.leidos.com...)
Analysis
IP Addresses
cn9sipoffice.com points to a single IP number: 166.25.48.11.
Name Servers
cn9sipoffice.com is delegated to four name servers: hidden.leidos.com, ns1.leidos.com, ns2.leidos.com and ns3.leidos.com.
cn9sipoffice.com at least partially shares name servers with other domains, for instance kmep.us, net.leidos.com, qtcm.net, intranetquorum.com and leidos.community.
These name servers are commonly used with the name servers ns0.leidos.com.
Host names with two IP numbers:
Host ns1.leidos.com points to 2620:11c:80fc:3814::132 and 204.115.183.132.
Host ns2.leidos.com points to 2620:11c:80fc:3816::4 and 205.153.240.4.
Host ns3.leidos.com points to 2620:11c:88fc:1810::4 and 140.162.65.4.
Mail Servers
cn9sipoffice.com is handled by six mail servers: mailfi01.lmco.com, mailfi02.lmco.com, mailfi03.lmco.com, mailfi04.lmco.com, mailfi05.lmco.com and mailfi06.lmco.com.
cn9sipoffice.com shares mail servers with other domains at least partially, including evms08.us.lmco.com, gns-ext1a.lmco.com, toolscatalog.us.lmco.com, mail01.lmco.com and lockheedmartin.info.
Host names with one IP number:
- mailfi01.lmco.com maps to 192.30.247.9
- mailfi02.lmco.com maps to 192.30.247.10
- mailfi03.lmco.com maps to 192.30.247.11
- mailfi04.lmco.com maps to 192.35.35.9
- mailfi05.lmco.com maps to 192.35.35.10
- mailfi06.lmco.com maps to 192.35.35.11