protocol.is - robtex.com
protocol.is
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=1772040602 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns1.cscdns.net2026-02-21 → 2026-03-18 · 2 obs
● 2026-03-18 17:28:22
●NSdns2.cscdns.net2026-02-21 → 2026-03-18 · 2 obs
● 2026-03-18 17:28:22
●MXcustmx.cscdns.net2026-02-21 → 2026-03-18 · 2 obs
● 2026-03-18 17:28:22
●A165.160.13.202026-02-21 → 2026-03-18 · 2 obs
● 2026-03-18 17:28:22
●A165.160.15.202026-02-21 → 2026-03-18 · 2 obs
● 2026-03-18 17:28:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | f.nic.is, a.nic.is, d.nic.is, c.nic.is... | 10 records |
| protocol.is | dns1.cscdns.net, dns2.cscdns.net | - |
✅ Authoritative Response
Server: 156.154.130.100
NS records: dns1.cscdns.net, dns2.cscdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for protocol.is (unsigned zone)
⏱️ Timing
Total: 1310ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 165.160.15.20, 165.160.13.20 |
| NS | 2 | dns1.cscdns.net, dns2.cscdns.net |
| MX | 1 | custmx.cscdns.net (pri: 10) |
| SOA | 1 | dns1.cscdns.net hostmaster.cscdns.net |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (f.nic.is, e.nic.is, d.nic.is...)
Analysis
IP Addresses
protocol.is has two IP numbers: 165.160.13.20 and 165.160.15.20.
Other host names, for instance s8b2.berkline.net, xn--rhrteig-n2a.de, squids.co.uk, truistcreditcardpay.biz and wd-black.com share IP numbers with protocol.is.
Name Servers
protocol.is's delegation uses two name servers: dns1.cscdns.net and dns2.cscdns.net.
protocol.is uses the same name server setup as other domains, such as marcuscertificatesofdeposit.com, ypplumbers.com, realwhitepages.biz, grabplatform.net.cn and allianz-travel.co.it.
protocol.is at least partially shares name servers with other domains, for instance bankofamericajob.com, mclaren.careers, mario.se and sweddbank.com.
Host names with two IPs:
dns1.cscdns.net points to 2610:a1:1022::100 and 156.154.130.100
dns2.cscdns.net points to 2610:a1:1023::100 and 156.154.131.100
Mail Servers
A single mail server handles protocol.is, custmx.cscdns.net.
protocol.is shares the same mail server setup as other domains, for instance bathroomangels.net, 5and10below.org, truistatm.biz, fras-air.com and artistnationlive.com.
protocol.is shares some mail servers with other domains, at least in part; for example dssmith-packaging.ee and opel.co.
Host name custmx.cscdns.net resolves to a single IP: 198.58.121.58.