cisco.is - robtex.com
cisco.is
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.139.32🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | aeedc42b70c898c66.awsglobalaccelerator.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 | 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 | ||||||
| SOA | ns1.markmonitor.comhostmaster@markmonitor.com 2025-01-27 #4 | ||||||
is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.is ⭐ | ||||||
| NS | c.nic.is | ||||||
| NS | d.nic.is | ||||||
| NS | e.nic.is | ||||||
| NS | f.nic.is | ||||||
| SOA | a.nic.ishostmaster@isnic.is serial=1775068202 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.markmonitor.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 18:51:36
●NSns3.markmonitor.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 18:51:36
●A3.33.139.322026-03-31 → 2026-04-01 · 2 obs
● 2026-04-01 18:51:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | e.nic.is, c.nic.is, a.nic.is, d.nic.is... | 10 records |
| cisco.is | ns1.markmonitor.com, ns3.markmonitor.com | - |
✅ Authoritative Response
Server:149.112.160.1
NS records: ns1.markmonitor.com, ns3.markmonitor.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cisco.is (unsigned zone)
⏱️ Timing
Total: 1507ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.33.139.32 |
| NS | 2 | ns1.markmonitor.com, ns3.markmonitor.com |
| SOA | 1 | ns1.markmonitor.com hostmaster.markmonit |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (f.nic.is, e.nic.is, d.nic.is...)
Analysis
IP Addresses
cisco.is points to a single IP number: 3.33.139.32.
Other host names, for instance www.ck1.com, intercontinental.mobi, willistowerswatson.com.ua, amazon-glacier.com and zinch.dk share IP numbers with cisco.is.
Name Servers
cisco.is is delegated to two name servers: ns1.markmonitor.com and ns3.markmonitor.com.
cisco.is uses the same name server setup as other domains, for instance patreon.com.au, googlecheckout.ca, slrsales.com, surffaanatics.com and ciscosystems.ro.
cisco.is shares name servers with other domains at least partially, for instance nikeruns.com, aicpamail.org, ufcespanol.com, readingaloud.net and cohenandsonwealth.com.
These name servers are often used with ns2.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.
Host names with two IP numbers:
The host ns1.markmonitor.com points to 2620:10a:80a8::1 and 149.112.160.1.
The host ns3.markmonitor.com points to 2620:10a:80a9::1 and 149.112.161.1.