cisco.com.pt - robtex.com
cisco.com.pt
| 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 | ||||||
| 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 | ||||||
| PTR | ns1.markmonitor.com | ||||||
| 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 | ||||||
| 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 | ||||||
| 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 | ||||||
| SOA | ns1.markmonitor.comhostmaster@markmonitor.com 2019-01-18 #1 | ||||||
com.pt
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | DNS.PT Domain | ||||||
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
○NSa4.nstld.com2015-06-10 → 2017-11-25 · 4 obs
● 2017-11-25 17:03:44
○ 2026-03-31 14:07:54
○ 2026-04-02 09:48:00
○NSf4.nstld.com2015-06-10 → 2017-11-25 · 4 obs
● 2017-11-25 17:03:44
○ 2026-03-31 14:07:54
○ 2026-04-02 09:48:00
○NSg4.nstld.com2015-06-10 → 2017-11-25 · 4 obs
● 2017-11-25 17:03:44
○ 2026-03-31 14:07:54
○ 2026-04-02 09:48:00
○NSl4.nstld.com2015-06-10 → 2017-11-25 · 4 obs
● 2017-11-25 17:03:44
○ 2026-03-31 14:07:54
○ 2026-04-02 09:48:00
●NSns1.markmonitor.com2026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:07:54
● 2026-04-02 09:48:00
●NSns2.markmonitor.com2026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:07:54
● 2026-04-02 09:48:00
●NSns3.markmonitor.com2026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:07:54
● 2026-04-02 09:48:00
●NSns4.markmonitor.com2026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:07:54
● 2026-04-02 09:48:00
●NSns5.markmonitor.com2026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:07:54
● 2026-04-02 09:48:00
●NSns6.markmonitor.com2026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:07:54
● 2026-04-02 09:48:00
●NSns7.markmonitor.com2026-03-31 → 2026-04-02 · 3 obs
● 2026-03-31 14:07:54
● 2026-04-02 09:48:00
●A72.163.4.1542015-06-10 → 2026-04-02 · 2 obs
● 2026-04-02 09:48:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | h.dns.pt, c.dns.pt, g.dns.pt, a.dns.pt... | 18 records |
| cisco.com.pt | ns2.markmonitor.com, ns7.markmonitor.com, ns3.markmonitor.com, ns5.markmonitor.com... | - |
✅ Authoritative Response
Server:192.174.68.1
NS records: ns2.markmonitor.com, ns7.markmonitor.com, ns3.markmonitor.com, ns5.markmonitor.com, ns1.markmonitor.com, ns4.markmonitor.com, ns6.markmonitor.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cisco.com.pt (unsigned zone)
⏱️ Timing
Total: 652ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.163.4.154 |
| NS | 7 | ns1.markmonitor.com, ns2.markmonitor.com... |
| SOA | 1 | ns1.markmonitor.com hostmaster.markmonit |
📌 Glue Records Collected
Total: 18
In-bailiwick: 14 (h.dns.pt, g.dns.pt, e.dns.pt...)
Out-of-bailiwick: 4 (ns2.nic.fr, ns.dns.br, ns2.nic.fr...)
Analysis
IP Addresses
cisco.com.pt resolves to a single IP: 72.163.4.154.
Other host names, for instance cisco.co.gl, ciscosystems.na.it, ciscosystems.pg.it, ciscosystems.vv.it and ciscoconnect.com.au share IP numbers with cisco.com.pt.
Name Servers
cisco.com.pt 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.com.pt shares some name servers with other domains, for example costacrociere.name, doubletreedenver.com, paypalsmartpayments.info, splunkcloud.ie and clouhdfront.net.
Host names with two IP numbers:
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.