hdos.org.uk - robtex.com
hdos.org.uk
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=1776045177 | ||||||
rank #800302 globally
rank #32337 in the tld
WOT: SAFE (71/100)
Previously MX for
hdos.org.uk |
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
○NSns.uk-dns.net2015-07-01 → 2016-02-11 · 4 obs
● 2016-02-11 08:25:20
○ 2016-07-11 20:20:22
○ 2026-04-13 03:10:36
●NSns1.krystal.co.uk2016-07-11 → 2026-04-13 · 3 obs
● 2016-07-11 20:20:22
● 2026-04-13 03:10:36
●NSns1.krystal.uk2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 00:49:52
● 2026-04-13 03:10:36
●NSns2.krystal.co.uk2016-07-11 → 2026-04-13 · 3 obs
● 2016-07-11 20:20:22
● 2026-04-13 03:10:36
●NSns2.krystal.uk2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 00:49:52
● 2026-04-13 03:10:36
○NSns2.uk-dns.net2015-07-01 → 2016-02-11 · 4 obs
● 2016-02-11 08:25:20
○ 2016-07-11 20:20:22
○ 2026-04-13 03:10:36
○MXhdos.org.uk2015-07-01 → 2016-02-11 · 4 obs
● 2016-02-11 08:25:20
○ 2016-07-11 20:20:22
○ 2026-04-13 03:10:36
○MXmx1.krystal.co.uk2016-07-11 → 2017-03-26 · 5 obs
● 2016-07-11 20:20:22
● 2017-03-26 20:36:28
○ 2026-03-27 00:49:52
○ 2026-04-13 03:10:36
●MXmx1.krystal.uk2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 00:49:52
● 2026-04-13 03:10:36
○MXmx2.krystal.co.uk2016-07-11 → 2017-03-26 · 5 obs
● 2016-07-11 20:20:22
● 2017-03-26 20:36:28
○ 2026-03-27 00:49:52
○ 2026-04-13 03:10:36
●MXmx2.krystal.uk2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 00:49:52
● 2026-04-13 03:10:36
●A185.194.90.72026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 00:49:52
● 2026-04-13 03:10:36
○A31.210.31.2172015-07-01 → 2016-02-11 · 4 obs
● 2016-02-11 08:25:20
○ 2016-07-11 20:20:22
○ 2026-04-13 03:10:36
○A77.72.0.662016-07-11 → 2017-03-26 · 5 obs
● 2016-07-11 20:20:22
● 2017-03-26 20:36:28
○ 2026-03-27 00:49:52
○ 2026-04-13 03:10:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | nsb.nic.uk, nsc.nic.uk, dns4.nic.uk, dns3.nic.uk... | - |
| hdos.org.uk | ns2.krystal.co.uk, ns1.krystal.co.uk | - |
✅ Authoritative Response
Server:139.162.230.184
NS records: ns2.krystal.co.uk, ns1.krystal.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hdos.org.uk (unsigned zone)
⏱️ Timing
Total: 636ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.194.90.7 |
| NS | 2 | ns1.krystal.uk, ns2.krystal.uk |
| MX | 2 | mx1.krystal.uk (pri: 10), mx2.krystal.uk (pri: 20) |
| TXT | 2 | google-site-verification=Nls50AKHgScaNvt, v=spf1 ip4:185.194.90.7 include:relay.k. |
| SOA | 1 | ns1.krystal.uk admin.k-validator-trunks- |
Analysis
IP Addresses
hdos.org.uk points to a single IP number: 185.194.90.7.
other host names for instance fibreoptions.net, millbrookvillagehall.co.uk, www.clothes-make-the-man.com, elementhealthcare.co.uk and gregorysleather.ltd.uk share IP numbers with hdos.org.uk.
Name Servers
hdos.org.uk is delegated to four name servers: ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.
hdos.org.uk at least partially shares name servers with other domains, for instance dan-dare.net, playbook.cz, andcarpentry.co.uk, schrodingers-cat.co.uk and odessastag.com.
These name servers are commonly used with ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk, ns1.uksrv.co.uk, ns2.uksrv.co.uk, ns1.krystal.io and ns2.krystal.io.
Host names with a single IP:
ns1.krystal.uk points to: 77.72.0.11
ns2.krystal.uk points to: 139.162.230.184
ns1.krystal.co.uk points to: 77.72.0.11
ns2.krystal.co.uk points to: 139.162.230.184
Host names pointing to 77.72.0.11: ns1.krystal.uk, ns1.krystal.co.uk
Host names pointing to 139.162.230.184: ns2.krystal.uk, ns2.krystal.co.uk
Mail Servers
hdos.org.uk is handled by two mail servers: mx1.krystal.uk and mx2.krystal.uk.
hdos.org.uk shares the same mail server setup as other domains, for instance ck-media.co.uk, skydivingexperiences.co.uk, pameladeans.com, dnathan.com and v-strom.co.uk.
hdos.org.uk shares at least partially some mail servers with other domains, for instance hfs-clinics.co.uk, shearmanagement.com and progressa.co.uk.
Host names with two IP numbers:
mx1.krystal.uk points to 185.53.56.44 and 185.53.56.46
mx2.krystal.uk points to 185.53.56.45 and 185.53.56.47