dubdemo.com - robtex.com
dubdemo.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.cisco.com ⭐ | ||||||
| A | 2001:420:1101:6::a🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns1.cisco.com | ||||||
| A | 72.163.5.201🇺🇸 ASNTTCISCO72.163.0.0/18 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns1.cisco.com | ||||||
| NS | ns2.cisco.com | ||||||
| A | 2001:420:2041:5000::a🇺🇸 ASNTTCISCO2001:420:2000::/35 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns2.cisco.com | ||||||
| A | 64.102.255.44🇺🇸 ASNTTCISCO64.102.0.0/16 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns2.cisco.com | ||||||
| NS | ns3.cisco.com | ||||||
| A | 2001:420:1201:7::a🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns3.cisco.com | ||||||
| A | 173.37.146.41🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns3.cisco.com | ||||||
| TXT | MS=ms41666972 | ||||||
| TXT | ciscocidomainverification=4b6c9d5f4887781a86cf6447d3f68976e3d89b87af70fb67749... | ||||||
| TXT | identrust_validate=/Jqv2m19OLzvzbBXn2CVBL7naSX1MiRTDXJqGPdkFMWt | ||||||
| SOA | ns1.cisco.compostmaster@cisco.com serial=4 | ||||||
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=1778408306 | ||||||
Same first word
dubdemo.com |
Similar names
DNS History
6 records (3 active, 3 former)
○NSedns-aln1-1-l2017-03-24 → 2017-03-24 · 4 obs
● 2017-03-24 15:48:26
○ 2026-05-03 12:32:30
○ 2026-05-10 10:32:42
○NSedns-aln1-1-l.cisco.com2015-07-16 → 2016-04-10 · 4 obs
● 2016-04-10 20:15:54
○ 2017-03-24 15:48:26
○ 2026-05-10 10:32:42
○MXesa.dubdemo.com2015-07-16 → 2017-03-24 · 4 obs
● 2017-03-24 15:48:26
○ 2026-05-03 12:32:30
○ 2026-05-10 10:32:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net... | - |
| dubdemo.com | ns1.cisco.com, ns2.cisco.com, ns3.cisco.com | 6 records |
✅ Authoritative Response
Server:173.37.146.41
NS records: ns1.cisco.com, ns2.cisco.com, ns3.cisco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dubdemo.com (unsigned zone)
⏱️ Timing
Total: 265ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.cisco.com, ns3.cisco.com... |
| TXT | 3 | ciscocidomainverification=4b6c9d5f488778, MS=ms41666972... |
| SOA | 1 | ns1.cisco.com postmaster.cisco.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)
Analysis
Name Servers
The delegation for dubdemo.com is handled by three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
dubdemo.com shares name servers with other domains at least partially, for example ciscotandberg.eu, unifiedcomputingsolutions.com, testcloudlockdev9sub.com, ciscocafe.biz and orative.biz.
Host names with two IPs:
ns1.cisco.com points to 2001:420:1101:6::a and 72.163.5.201
ns2.cisco.com points to 2001:420:2041:5000::a and 64.102.255.44
ns3.cisco.com points to 2001:420:1201:7::a and 173.37.146.41