lan.jrc.us - robtex.com
lan.jrc.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.16.2.36UNSPECIFIED160.0.0.0/3 | ||||||
| NS | authdns2.lan.jrc.us ⭐ ⚠️ Not in parent delegation | ||||||
| A | 208.90.144.77🇺🇸 JensenResearch208.90.144.0/24 | ||||||
| PTR | ns2.jensenresearch.net | ||||||
| NS | authdns1.lan.jrc.us ⚠️ Not in parent delegation | ||||||
| A | 208.90.144.76🇺🇸 JensenResearch208.90.144.0/24 | ||||||
| PTR | ns1.jensenresearch.com | ||||||
| MX | mail.jrc.lan ⭐ | ||||||
| MX | barracuda.lan.jrc.us(20) | ||||||
| A | 172.16.2.11UNSPECIFIED160.0.0.0/3 | ||||||
| SOA | authdns2.lan.jrc.usnoc@jensenresearch.com 2024-01-19 #1 | ||||||
jrc.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 68.183.129.98🇺🇸 DIGITALOCEAN68.183.128.0/20 DigitalOcean | ||||||
| NS | ns1.jrc.us ⭐ | ||||||
| NS | ns2.jrc.us | ||||||
| MX | hammer.jensenresearch.com ⭐ | ||||||
| MX | anvil.jensenresearch.com(70) | ||||||
| TXT | v=spf1 a:mail.jensenresearch.com/24 -all | ||||||
| SOA | ns1.jrc.usnoc@jensenresearch.com 2024-04-05 #1 | ||||||
Subdomains
authdns1.lan.jrc.us |
authdns2.lan.jrc.us |
barracuda.lan.jrc.us |
ntps22i.lan.jrc.us |
ntsrv04.lan.jrc.us |
ntps27i.lan.jrc.us |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSauthdns1.lan.jrc.us2015-08-09 → 2026-04-15 · 2 obs
● 2026-04-15 05:07:16
●NSauthdns2.lan.jrc.us2015-08-09 → 2026-04-15 · 2 obs
● 2026-04-15 05:07:16
●MXbarracuda.lan.jrc.us2015-08-09 → 2026-04-15 · 2 obs
● 2026-04-15 05:07:16
●A172.16.2.362015-08-09 → 2026-04-15 · 2 obs
● 2026-04-15 05:07:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | w.cctld.us, f.cctld.us, y.cctld.us, m.cctld.us... | - |
| jrc.us | ns1.jrc.us, svl-ans-01.inet.qwest.net, dca-ans-01.inet.qwest.net, ns2.jrc.us | 2 records |
✅ Authoritative Response
Server:208.90.144.76
NS records: ns1.jrc.us, svl-ans-01.inet.qwest.net, dca-ans-01.inet.qwest.net, ns2.jrc.us
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jrc.us (unsigned zone)
⏱️ Timing
Total: 134ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.16.2.36 |
| NS | 2 | authdns2.lan.jrc.us, authdns1.lan.jrc.us |
| MX | 2 | barracuda.lan.jrc.us (pri: 20), mail.jrc.lan (pri: 10) |
| SOA | 1 | authdns2.lan.jrc.us noc.jensenresearch.c |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns2.jrc.us, ns1.jrc.us)
Analysis
Hierarchy
lan.jrc.us is a parent of authdns1.lan.jrc.us, authdns2.lan.jrc.us, barracuda.lan.jrc.us, ntps22i.lan.jrc.us, ntsrv04.lan.jrc.us and a few other host names.
IP Addresses
lan.jrc.us points to a single IP: 172.16.2.36.
Name Servers
Two name servers authdns1.lan.jrc.us and authdns2.lan.jrc.us handle delegation for lan.jrc.us.
Host names with one IP number: The host name authdns1.lan.jrc.us points to 208.90.144.76 and the host name authdns2.lan.jrc.us points to 208.90.144.77.
Mail Servers
lan.jrc.us is handled by two mail servers: mail.jrc.lan and barracuda.lan.jrc.us.
Host names with a single IP:
barracuda.lan.jrc.us points to 172.16.2.11.