twingosystems.com - robtex.com
twingosystems.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 | ||||||
| MX | rcdn-mx-01.cisco.com ⭐ | ||||||
| A | 2001:420:1101:7::48a3:166🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | rcdn-mx-01.cisco.com | ||||||
| A | 72.163.7.166🇺🇸 ASNTTCISCO72.163.7.0/24 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | rcdn-mx-01.cisco.com | ||||||
| MX | aer-mx-01.cisco.com(15) | ||||||
| A | 2001:420:4621::ad26:d496🇳🇱 ASNTTCISCO2001:420:4000::/36 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | aer-mx-01.cisco.com | ||||||
| A | 173.38.212.150🇳🇱 ASNTTCISCO173.38.128.0/17 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | aer-mx-01.cisco.com | ||||||
| MX | alln-mx-01.cisco.com(15) | ||||||
| A | 2001:420:1201:6::ad25:93e6🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | alln-mx-01.cisco.com | ||||||
| A | 173.37.147.230🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | alln-mx-01.cisco.com | ||||||
| SOA | ns1.cisco.compostmaster@cisco.com serial=11 | ||||||
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=1775408857 | ||||||
Same first word
twingosystems.com |
Similar names
DNS History
8 records (6 active, 2 former)
○NSedns-aln1-1-l.cisco.com2015-07-13 → 2016-06-08 · 4 obs
● 2016-06-08 04:00:30
○ 2017-06-29 09:10:42
○ 2026-04-05 17:19:56
○NSedns-rtp5-1-l2017-06-29 → 2017-06-29 · 4 obs
● 2017-06-29 09:10:42
○ 2026-03-27 15:30:04
○ 2026-04-05 17:19:56
●MXaer-mx-01.cisco.com2015-07-13 → 2026-04-05 · 2 obs
● 2026-04-05 17:19:56
●MXalln-mx-01.cisco.com2015-07-13 → 2026-04-05 · 2 obs
● 2026-04-05 17:19:56
●MXrcdn-mx-01.cisco.com2015-07-13 → 2026-04-05 · 2 obs
● 2026-04-05 17:19:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| twingosystems.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 twingosystems.com (unsigned zone)
⏱️ Timing
Total: 226ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.cisco.com, ns2.cisco.com... |
| MX | 3 | rcdn-mx-01.cisco.com (pri: 10), alln-mx-01.cisco.com (pri: 15)... |
| 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 twingosystems.com is handled by three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
twingosystems.com at least partially shares name servers with other domains, for instance datacentreethernet.biz, ciscostore.org, cliqr.com, cisco4me.com and netacad-research.net.
Two IP numbers per host:
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.
Mail Servers
twingosystems.com is handled by three mail servers: aer-mx-01.cisco.com, alln-mx-01.cisco.com and rcdn-mx-01.cisco.com.
twingosystems.com shares mail servers with other domains at least in part, for instance greenfieldnetworks.com, vcider.com, theflip.com, topspin.us and eu.mtghouse.com.
These mail servers are often used with mail1.dynamicsoft.com, mail.topspin.com, smtp.eu.mtghouse.com and smtp15.msoutlookonline.net.
Two IP numbers per host:
aer-mx-01.cisco.com points to 2001:420:4621::ad26:d496 and 173.38.212.150.
alln-mx-01.cisco.com points to 2001:420:1201:6::ad25:93e6 and 173.37.147.230.
rcdn-mx-01.cisco.com points to 2001:420:1101:7::48a3:166 and 72.163.7.166.