chapter21.co.uk - robtex.com
chapter21.co.uk
co.uk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.nic.uk ⭐ ⚠️ Not in parent delegation | ||||||
| NS | dns2.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | dns3.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | dns4.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsa.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsb.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsc.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsd.nic.uk ⚠️ Not in parent delegation | ||||||
| SOA | dns1.nic.ukhostmaster@nominet.org.uk serial=1776273857 | ||||||
rank #14731 in the tld
WOT: SAFE (74/100)
Same first word
chapter21.co.uk |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns19.domaincontrol.com2026-03-06 → 2026-04-15 · 2 obs
● 2026-04-15 17:53:28
●NSns20.domaincontrol.com2026-03-06 → 2026-04-15 · 2 obs
● 2026-04-15 17:53:28
●MXchapter21-co-uk.mail.protection.outlook.com2026-03-06 → 2026-04-15 · 2 obs
● 2026-04-15 17:53:28
○A109.235.74.1582015-08-19 → 2015-08-19 · 3 obs
○ 2015-11-21 11:40:00
○ 2026-04-15 17:53:28
●A13.248.243.52026-03-06 → 2026-04-15 · 3 obs
● 2026-03-06 13:44:44
● 2026-04-15 17:53:28
●A76.223.105.2302026-03-06 → 2026-04-15 · 3 obs
● 2026-03-06 13:44:44
● 2026-04-15 17:53:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk... | - |
| chapter21.co.uk | ns19.domaincontrol.com, ns20.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.109.10
NS records: ns19.domaincontrol.com, ns20.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chapter21.co.uk (unsigned zone)
⏱️ Timing
Total: 195ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns19.domaincontrol.com, ns20.domaincontrol.com |
| MX | 1 | chapter21-co-uk.mail.protection.outlook. |
| TXT | 2 | NETORG19349076.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns19.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
chapter21.co.uk resolves to two IPs: 13.248.243.5 and 76.223.105.230.
other host names for instance kleu.studio, yac.asia, nabbvsuc.com, liquidfied.com and icomradio.co.uk share IP numbers with chapter21.co.uk.
Name Servers
chapter21.co.uk is delegated to two name servers: ns19.domaincontrol.com and ns20.domaincontrol.com.
chapter21.co.uk shares the same name server setup as other domains, for example ollt.com, salonrealty.org, doge7casino.com, foxlearningcenters.com and mcbmx.com.
Host names with two IP numbers:
ns19.domaincontrol.com points to 2603:5:21d0::a and 97.74.109.10
ns20.domaincontrol.com points to 2603:5:22d0::a and 173.201.77.10
Mail Servers
chapter21.co.uk is handled by a single mail server, chapter21-co-uk.mail.protection.outlook.com.
Host name chapter21-co-uk.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.1, 52.101.89.2, 52.101.99.0 and 52.101.99.2.