mysdn.com - dns.ninja
mysdn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:420:1101:1::b🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | redirect.cisco.com | ||||||
| A | 72.163.4.154🇺🇸 ASNTTCISCO72.163.4.0/24 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| 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 | ||||||
| SOA | ns1.cisco.compostmaster@cisco.com serial=5 | ||||||
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=1785727582 | ||||||
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
○NSedns-aln1-1-l2016-11-20 → 2017-06-27 · 5 obs
● 2016-11-20 17:53:46
● 2017-06-27 15:52:20
○ 2020-12-23 01:32:36
○ 2026-08-03 03:50:50
○NSedns-aln1-1-l.cisco.com2015-08-22 → 2016-08-13 · 4 obs
● 2016-08-13 12:36:36
○ 2016-11-20 17:53:46
○ 2026-08-03 03:50:50
●A2001:420:1101:1::b2015-08-22 → 2026-08-03 · 2 obs
● 2026-08-03 03:50:50
●A72.163.4.1542015-08-22 → 2026-08-03 · 2 obs
● 2026-08-03 03:50:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net... | - |
| mysdn.com | ns1.cisco.com, ns2.cisco.com, ns3.cisco.com | 6 records |
✅ Authoritative Response
Server:72.163.5.201
NS records: ns1.cisco.com, ns2.cisco.com, ns3.cisco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mysdn.com (unsigned zone)
⏱️ Timing
Total: 1186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.163.4.154 |
| AAAA | 1 | 2001:420:1101:1::b |
| NS | 3 | ns3.cisco.com, ns1.cisco.com... |
| 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
IP Addresses
mysdn.com directs to two IP numbers, 72.163.4.154 and 2001:420:1101:1::b
ciscosystems.nom.ag, cisco.com.mu, ciscosystems.net.vn plus two other host names have IP numbers in common with mysdn.com.
Name Servers
mysdn.com is served by three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
mysdn.com partially shares its NS delegation with several other domains, including xn--m8t158c.asia, archedrock.org, ciscodigitalcribs.com and two others.
The hostnames ns1.cisco.com, ns2.cisco.com and ns3.cisco.com each direct to two IP addresses — ns1.cisco.com to 72.163.5.201 and 2001:420:1101:6::a, ns2.cisco.com to 64.102.255.44 and 2001:420:2041:5000::a, and ns3.cisco.com to 173.37.146.41 and 2001:420:1201:7::a.