mudsa.org.uk - robtex.com
mudsa.org.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.194.90.12🇬🇧 KRYSTAL185.194.88.0/22 | ||||||
| PTR | whis-lon.krystal.uk | ||||||
| NS | ns1.krystal.uk ⭐ ⚠️ Not in parent delegation | ||||||
| A | 77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | ns1.krystal.uk | ||||||
| NS | ns1.krystal.co.uk ⚠️ Not in zone NS records | ||||||
| A | 77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | ns1.krystal.uk | ||||||
| NS | ns2.krystal.co.uk ⚠️ Not in zone NS records | ||||||
| A | 139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies | ||||||
| PTR | ns2.krystal.uk | ||||||
| NS | ns2.krystal.uk ⚠️ Not in parent delegation | ||||||
| A | 139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies | ||||||
| PTR | ns2.krystal.uk | ||||||
| MX | mx1.krystal.uk ⭐ | ||||||
| A | 185.53.56.44🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx1.strikemail.co.uk | ||||||
| A | 185.53.56.46🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx1.strikemail.co.uk | ||||||
| MX | mx2.krystal.uk(20) | ||||||
| A | 185.53.56.45🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx2.strikemail.co.uk | ||||||
| A | 185.53.56.47🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx2.strikemail.co.uk | ||||||
| TXT | v=spf1 ip4:185.194.90.12 include:relay.k.io mx a ?all | ||||||
| SOA | ns1.krystal.ukadmin@k-validator-whis-lon.krystal.uk 2026-02-25 #1 | ||||||
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=1776091786 | ||||||
rank #32337 in the tld
WOT: SAFE (71/100)
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
●NSns1.krystal.co.uk2018-08-22 → 2026-04-13 · 2 obs
● 2026-04-13 15:00:30
●NSns1.krystal.uk2026-03-06 → 2026-04-13 · 3 obs
● 2026-03-06 06:34:14
● 2026-04-13 15:00:30
●NSns2.krystal.co.uk2018-08-22 → 2026-04-13 · 2 obs
● 2026-04-13 15:00:30
●NSns2.krystal.uk2026-03-06 → 2026-04-13 · 3 obs
● 2026-03-06 06:34:14
● 2026-04-13 15:00:30
○MXmx1.krystal.co.uk2018-08-22 → 2018-08-22 · 3 obs
○ 2026-03-06 06:34:14
○ 2026-04-13 15:00:30
●MXmx1.krystal.uk2026-03-06 → 2026-04-13 · 3 obs
● 2026-03-06 06:34:14
● 2026-04-13 15:00:30
○MXmx2.krystal.co.uk2018-08-22 → 2018-08-22 · 3 obs
○ 2026-03-06 06:34:14
○ 2026-04-13 15:00:30
●MXmx2.krystal.uk2026-03-06 → 2026-04-13 · 3 obs
● 2026-03-06 06:34:14
● 2026-04-13 15:00:30
●A185.194.90.122026-03-06 → 2026-04-13 · 3 obs
● 2026-03-06 06:34:14
● 2026-04-13 15:00:30
○A77.72.0.2262018-08-22 → 2018-08-22 · 3 obs
○ 2026-03-06 06:34:14
○ 2026-04-13 15:00:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | dns1.nic.uk, nsb.nic.uk, nsa.nic.uk, nsd.nic.uk... | - |
| mudsa.org.uk | ns1.krystal.co.uk, ns2.krystal.co.uk | - |
✅ Authoritative Response
Server:139.162.230.184
NS records: ns1.krystal.co.uk, ns2.krystal.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mudsa.org.uk (unsigned zone)
⏱️ Timing
Total: 743ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.194.90.12 |
| NS | 2 | ns1.krystal.uk, ns2.krystal.uk |
| MX | 2 | mx2.krystal.uk (pri: 20), mx1.krystal.uk (pri: 10) |
| TXT | 1 | v=spf1 ip4:185.194.90.12 include:relay.k |
| SOA | 1 | ns1.krystal.uk admin.k-validator-whis-lo |
Analysis
IP Addresses
mudsa.org.uk points to a single IP number: 185.194.90.12.
Other host names, for instance preserved-railways.co.uk, ajswift.net, hssf.org.uk, applicationstream.co.uk and fleetinstalls.net share IP numbers with mudsa.org.uk.
Name Servers
mudsa.org.uk is delegated to four name servers: ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.
mudsa.org.uk at least partially shares name servers with other domains, for instance neeb.co.uk, nexusstem.co.uk, kiconnections.com, adazanditoncouture.com and rosemounttaverns.com.
these name servers are often used with ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.krystal.io, ns2.krystal.io, ns3.krystal.io, ns4.krystal.io, ns1.cloudhosting.co.uk and ns2.cloudhosting.co.uk.
Host names with one IP number:
Host name ns1.krystal.uk points to: 77.72.0.11
Host name ns2.krystal.uk points to: 139.162.230.184
Host name ns1.krystal.co.uk points to: 77.72.0.11
Host name ns2.krystal.co.uk points to: 139.162.230.184
Host names pointing to 77.72.0.11: ns1.krystal.uk and ns1.krystal.co.uk
Host names pointing to 139.162.230.184: ns2.krystal.uk and ns2.krystal.co.uk
Mail Servers
mudsa.org.uk is handled by two mail servers: mx1.krystal.uk and mx2.krystal.uk.
mudsa.org.uk uses the same mail server configuration as other domains, such as takethepebble.com, thespasurgery.co.uk, boot-it.org.uk, harveytofton.co.uk and eflbooks.org.
mudsa.org.uk shares some mail servers with other domains at least partially, for example shortbrothersaviationpioneers.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.