jonmasters.org.uk - robtex.com
jonmasters.org.uk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.jonmasters.org ⭐ ⚠️ Not in zone NS records | ||||||
| A | 173.255.233.168🇺🇸 AKAMAI-LINODE-AP173.255.224.0/20 Akamai Technologies | ||||||
| PTR | edison.jonmasters.org | ||||||
| NS | dmesg.printk.net ⚠️ Not in zone NS records | ||||||
| A | 212.13.197.101🇬🇧 JUMP212.13.192.0/19 | ||||||
| PTR | dmesg.printk.net | ||||||
| MX | mx1.jonmasters.org ⭐ | ||||||
| A | 173.255.233.168🇺🇸 AKAMAI-LINODE-AP173.255.224.0/20 Akamai Technologies | ||||||
| PTR | edison.jonmasters.org | ||||||
| MX | mx2.jonmasters.org(20) | ||||||
| A | 173.255.233.168🇺🇸 AKAMAI-LINODE-AP173.255.224.0/20 Akamai Technologies | ||||||
| PTR | edison.jonmasters.org | ||||||
| MX | mx3.jonmasters.org(30) | ||||||
| A | 212.13.197.101🇬🇧 JUMP212.13.192.0/19 | ||||||
| PTR | dmesg.printk.net | ||||||
| MX | mx4.jonmasters.org(40) | ||||||
| A | 173.255.233.168🇺🇸 AKAMAI-LINODE-AP173.255.224.0/20 Akamai Technologies | ||||||
| PTR | edison.jonmasters.org | ||||||
| MX | mx5.jonmasters.org(100) | ||||||
| A | 173.255.233.168🇺🇸 AKAMAI-LINODE-AP173.255.224.0/20 Akamai Technologies | ||||||
| PTR | edison.jonmasters.org | ||||||
| SOA | ns.jonmasters.orgjcm@jonmasters.org 2011-01-28 #0 | ||||||
org.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=1778657375 | ||||||
rank #30818 in the tld
WOT: SAFE (71/100)
Same first word
jonmasters.org.uk |
jonmasters.org |
Similar names
DNS History
8 records (7 active, 1 former)
●NSdmesg.printk.net2015-08-06 → 2026-05-13 · 2 obs
● 2026-05-13 07:37:32
●NSns.jonmasters.org2015-08-06 → 2026-05-13 · 2 obs
● 2026-05-13 07:37:32
●MXmx1.jonmasters.org2015-08-06 → 2026-05-13 · 6 obs
● 2018-12-16 03:29:00
○ 2026-03-21 01:18:58
○ 2026-03-27 06:01:36
● 2026-04-10 23:29:42
● 2026-05-13 07:37:32
●MXmx2.jonmasters.org2015-08-06 → 2026-05-13 · 6 obs
● 2018-12-16 03:29:00
○ 2026-03-21 01:18:58
○ 2026-03-27 06:01:36
● 2026-04-10 23:29:42
● 2026-05-13 07:37:32
●MXmx3.jonmasters.org2015-08-06 → 2026-05-13 · 6 obs
● 2018-12-16 03:29:00
○ 2026-03-21 01:18:58
○ 2026-03-27 06:01:36
● 2026-04-10 23:29:42
● 2026-05-13 07:37:32
●MXmx4.jonmasters.org2015-08-06 → 2026-05-13 · 6 obs
● 2018-12-16 03:29:00
○ 2026-03-21 01:18:58
○ 2026-03-27 06:01:36
● 2026-04-10 23:29:42
● 2026-05-13 07:37:32
●MXmx5.jonmasters.org2015-08-06 → 2026-05-13 · 6 obs
● 2018-12-16 03:29:00
○ 2026-03-21 01:18:58
○ 2026-03-27 06:01:36
● 2026-04-10 23:29:42
● 2026-05-13 07:37:32
○A212.13.197.1012015-08-06 → 2026-03-27 · 4 obs
● 2026-03-27 06:01:36
○ 2026-04-10 23:29:42
○ 2026-05-13 07:37:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | dns1.nic.uk, nsd.nic.uk, nsa.nic.uk, dns3.nic.uk... | - |
| jonmasters.org.uk | ns.jonmasters.org, dmesg.printk.net | - |
✅ Authoritative Response
Server:212.13.197.101
NS records: ns.jonmasters.org, dmesg.printk.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jonmasters.org.uk (unsigned zone)
⏱️ Timing
Total: 426ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.13.197.101 |
| NS | 2 | dmesg.printk.net, ns.jonmasters.org |
| MX | 5 | mx5.jonmasters.org (pri: 100), mx1.jonmasters.org (pri: 10)... |
| SOA | 1 | ns.jonmasters.org jcm.jonmasters.org |
Analysis
Name Servers
jonmasters.org.uk is delegated to two name servers dmesg.printk.net and ns.jonmasters.org.
jonmasters.org.uk uses the same name server setup as other domains, such as kerneldrivers.org, driverbackports.org and stabledesktop.org.
jonmasters.org.uk at least partially shares name servers with other domains, for instance jonmasters.org.
these name servers are often used together with b.ns.buddyns.com, c.ns.buddyns.com, d.ns.buddyns.com and g.ns.buddyns.com.
Host names with one IP number:
dmesg.printk.net points to 212.13.197.101
ns.jonmasters.org points to 173.255.233.168
Mail Servers
jonmasters.org.uk is handled by five mail servers: mx1.jonmasters.org, mx2.jonmasters.org, mx3.jonmasters.org, mx4.jonmasters.org and mx5.jonmasters.org.
jonmasters.org.uk shares some mail servers with other domains, at least partially, for example driverbackports.org and sparkonarm.com.
Hostnames with a single IP:
mx1.jonmasters.org points to: 173.255.233.168.
mx2.jonmasters.org points to: 173.255.233.168.
mx3.jonmasters.org points to: 212.13.197.101.
mx4.jonmasters.org points to: 173.255.233.168.
mx5.jonmasters.org points to: 173.255.233.168.
Hostnames that point to 173.255.233.168: mx1.jonmasters.org, mx2.jonmasters.org, mx4.jonmasters.org and mx5.jonmasters.org.