cisco.tw - robtex.com
cisco.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 72.163.4.154🇺🇸 ASNTTCISCO72.163.4.0/24 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | redirect.cisco.com | ||||||
| NS | ns1.markmonitor.com ⭐ | ||||||
| A | 2620:10a:80a8::1🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| A | 149.112.160.1🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| NS | ns2.markmonitor.com ⚠️ Not in parent delegation | ||||||
| A | 2001:67c:10b8::1🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net | ||||||
| PTR | ns2.markmonitor.com | ||||||
| A | 176.97.158.1🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net | ||||||
| PTR | ns2.markmonitor.com | ||||||
| NS | ns3.markmonitor.com | ||||||
| A | 2620:10a:80a9::1🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| A | 149.112.161.1🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| NS | ns4.markmonitor.com | ||||||
| A | 2001:67c:1bc::1🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast | ||||||
| PTR | ns1.markmonitor.com | ||||||
| A | 192.174.68.1🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net | ||||||
| NS | ns5.markmonitor.com | ||||||
| A | 2620:10a:80a8::2🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| A | 149.112.160.2🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| NS | ns6.markmonitor.com ⚠️ Not in parent delegation | ||||||
| A | 2001:67c:10b8::3🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net | ||||||
| PTR | ns6.markmonitor.com | ||||||
| A | 176.97.158.3🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net | ||||||
| PTR | ns6.markmonitor.com | ||||||
| NS | ns7.markmonitor.com ⚠️ Not in parent delegation | ||||||
| A | 2620:10a:80a9::2🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| A | 149.112.161.2🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada | ||||||
| TXT | identrust_validate=c7rvOXM0r5dvTnPggmlnPg4E58kXBOXfb8q3/gsVjYdY | ||||||
| SOA | ns1.markmonitor.comhostmaster@markmonitor.com 2025-01-10 #1 | ||||||
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw serial=2010997967 | ||||||
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSns1.markmonitor.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 03:47:34
●NSns2.markmonitor.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 03:47:34
●NSns3.markmonitor.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 03:47:34
●NSns4.markmonitor.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 03:47:34
●NSns5.markmonitor.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 03:47:34
●NSns6.markmonitor.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 03:47:34
●NSns7.markmonitor.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 03:47:34
●A72.163.4.1542026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 03:47:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| cisco.tw | ns4.markmonitor.com, ns3.markmonitor.com, ns1.markmonitor.com, ns5.markmonitor.com | - |
✅ Authoritative Response
Server:192.174.68.1
NS records: ns4.markmonitor.com, ns3.markmonitor.com, ns1.markmonitor.com, ns5.markmonitor.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cisco.tw (unsigned zone)
⏱️ Timing
Total: 1149ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.163.4.154 |
| NS | 7 | ns5.markmonitor.com, ns4.markmonitor.com... |
| TXT | 1 | identrust_validate=c7rvOXM0r5dvTnPggmlnP |
| SOA | 1 | ns1.markmonitor.com hostmaster.markmonit |
Analysis
IP Addresses
cisco.tw points to IP number: 72.163.4.154.
Other host names such as ciscowebex.cn, cisco.pro.pr, divitech.net, www.ciscoknowledgenetwork.com and ciscowebex.fr share IPs with cisco.tw.
Name Servers
cisco.tw is delegated to seven name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.
cisco.tw at least partially shares name servers with other domains, for instance c10nbase.club, sr16salesforce.com, rankuten.com, fit4ref.eu and paypalinsights.com.
Two IP numbers per host:
ns1.markmonitor.com points to: 2620:10a:80a8::1 and 149.112.160.1.
ns2.markmonitor.com points to: 2001:67c:10b8::1 and 176.97.158.1.
ns3.markmonitor.com points to: 2620:10a:80a9::1 and 149.112.161.1.
ns4.markmonitor.com points to: 2001:67c:1bc::1 and 192.174.68.1.
ns5.markmonitor.com points to: 2620:10a:80a8::2 and 149.112.160.2.
ns6.markmonitor.com points to: 2001:67c:10b8::3 and 176.97.158.3.
ns7.markmonitor.com points to: 2620:10a:80a9::2 and 149.112.161.2.