cssuk.org - dns.ninja
cssuk.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.162.198.197🇩🇪 LEASEWEB-DE-FRA-10178.162.192.0/18 | ||||||
| PTR | opal5.opalstack.com | ||||||
| NS | ns2.de.opalstack.com ⭐ | ||||||
| A | 139.162.223.59🇬🇧 AKAMAI-LINODE-AP139.162.192.0/19 Akamai Technologies | ||||||
| PTR | ns2.de.opalstack.com | ||||||
| NS | ns1.de.opalstack.com | ||||||
| A | 139.162.174.250🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies | ||||||
| PTR | ns1.de.opalstack.com | ||||||
| NS | ns3.de.opalstack.com | ||||||
| A | 139.162.190.189🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies | ||||||
| PTR | ns3.de.opalstack.com | ||||||
| MX | mx1.de.opalstack.com ⭐ | ||||||
| A | 2a01:7e01:e001:856::1🇩🇪 AKAMAI-LINODE-AP2a01:7e01::/32 Akamai Technologies | ||||||
| PTR | mx1.de.opalstack.com | ||||||
| A | 139.162.189.90🇩🇪 AKAMAI-LINODE-AP139.162.160.0/19 Akamai Technologies | ||||||
| PTR | mx1.de.opalstack.com | ||||||
| MX | mx2.de.opalstack.com ⭐ | ||||||
| A | 178.162.221.165🇩🇪 LEASEWEB-DE-FRA-10178.162.192.0/18 | ||||||
| PTR | mx2.de.opalstack.com | ||||||
| TXT | v=spf1 include:spf.opalstack.com ~all | ||||||
| SOA | ns2.de.opalstack.comhostmaster@cssuk.org 2026-06-13 #3 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1781460399 | ||||||
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSns1.de.opalstack.com2026-03-08 → 2026-06-14 · 3 obs
● 2026-03-08 02:31:22
● 2026-06-14 18:30:58
○NSns1.justhost.com2015-08-14 → 2015-10-26 · 4 obs
● 2015-10-26 19:16:44
○ 2016-01-23 11:28:42
○ 2026-06-14 18:30:58
●NSns2.de.opalstack.com2026-03-08 → 2026-06-14 · 3 obs
● 2026-03-08 02:31:22
● 2026-06-14 18:30:58
○NSns2.justhost.com2015-08-14 → 2015-10-26 · 4 obs
● 2015-10-26 19:16:44
○ 2016-01-23 11:28:42
○ 2026-06-14 18:30:58
●NSns3.de.opalstack.com2026-03-08 → 2026-06-14 · 3 obs
● 2026-03-08 02:31:22
● 2026-06-14 18:30:58
○MXmail.cssuk.org2015-08-14 → 2015-10-26 · 4 obs
● 2015-10-26 19:16:44
○ 2016-01-23 11:28:42
○ 2026-06-14 18:30:58
●MXmx1.de.opalstack.com2026-03-08 → 2026-06-14 · 3 obs
● 2026-03-08 02:31:22
● 2026-06-14 18:30:58
●MXmx2.de.opalstack.com2026-03-08 → 2026-06-14 · 3 obs
● 2026-03-08 02:31:22
● 2026-06-14 18:30:58
○A173.254.28.192015-08-14 → 2015-10-26 · 4 obs
● 2015-10-26 19:16:44
○ 2016-01-23 11:28:42
○ 2026-06-14 18:30:58
●A178.162.198.1972026-03-08 → 2026-06-14 · 3 obs
● 2026-03-08 02:31:22
● 2026-06-14 18:30:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| cssuk.org | ns3.de.opalstack.com, ns2.de.opalstack.com, ns1.de.opalstack.com | - |
✅ Authoritative Response
Server:139.162.223.59
NS records: ns3.de.opalstack.com, ns2.de.opalstack.com, ns1.de.opalstack.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cssuk.org (unsigned zone)
⏱️ Timing
Total: 3497ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.162.198.197 |
| NS | 3 | ns1.de.opalstack.com, ns2.de.opalstack.com... |
| MX | 2 | mx2.de.opalstack.com (pri: 10), mx1.de.opalstack.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.opalstack.com ~all |
| SOA | 1 | ns2.de.opalstack.com hostmaster.cssuk.or |
Analysis
IP Addresses
cssuk.org directs to one IP number, which is 178.162.198.197.
Among the host names that share IP numbers with cssuk.org are django-entwickler.at, www.binart.eu, cobo.net and two others.
Name Servers
DNS for cssuk.org is handled by three authoritative name servers: ns1.de.opalstack.com, ns2.de.opalstack.com and ns3.de.opalstack.com.
cssuk.org shares at least some of its name servers with other domains, including gingergeeks.co.uk, ntprops.com, drububu.com and two others.
These name servers are frequently seen alongside ns1.us.opalstack.com, ns2.us.opalstack.com, ns3.us.opalstack.com and 3 other name servers.
ns1.de.opalstack.com, ns2.de.opalstack.com and ns3.de.opalstack.com all have one IP address each — ns1.de.opalstack.com directs to 139.162.174.250, ns2.de.opalstack.com directs to 139.162.223.59 and ns3.de.opalstack.com directs to 139.162.190.189.
Mail Servers
The MX records for cssuk.org point to two mail servers: mx1.de.opalstack.com and mx2.de.opalstack.com.
cssuk.org has the same mail server arrangement as a number of other domains, for example karpick.com, 99agile.com, kentdanielsson.com and two more.
cssuk.org shares at least some of its mail servers with other domains, such as copadata.es and lacura.es.
Hosts with two IP numbers each:
mx1.de.opalstack.com has two IP addresses: 139.162.189.90 and 2a01:7e01:e001:856::1.
Hosts that resolve to one IP address:
mx2.de.opalstack.com directs to 178.162.221.165.