rcuk.org - robtex.com
rcuk.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.250.239.241🇬🇧 WHG-LON192.250.239.0/24 | ||||||
| PTR | s1234.lon1.mysecurecloudhost.com | ||||||
| NS | ns1.mseed.uk ⭐ | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.mseed.uk | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.mseed.uk | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.mseed.uk | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | rcuk.org ⭐ | ||||||
| A | 192.250.239.241🇬🇧 WHG-LON192.250.239.0/24 | ||||||
| PTR | s1234.lon1.mysecurecloudhost.com | ||||||
| TXT | v=spf1 +a +mx +ip4:192.250.239.241 include:spf.mysecurecloudhost.com ~all | ||||||
| SOA | ns1.mseed.ukmseeduk@email.mustardseed.uk 2026-07-02 #0 | ||||||
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=1785057721 | ||||||
MX for
rcuk.org |
Same first word
rcuk.org |
rcuk.biz |
rcuk.co |
rcuk.ac.uk |
rcuk.eu |
rcuk.com |
rcuk.co.uk |
rcuk.net |
rcuk.cn |
rcuk.pro |
rcuk.de |
rcuk.mobi |
rcuk.us |
rcuk.uk |
Similar names
DNS History
15 records (6 active, 9 former)
○NSns0.unlimited.uk.net2018-11-14 → 2018-11-14 · 4 obs
● 2018-11-14 22:52:58
○ 2026-07-01 15:41:40
○ 2026-07-26 09:41:08
●NSns1.mseed.uk2026-07-01 → 2026-07-26 · 3 obs
● 2026-07-01 15:41:40
● 2026-07-26 09:41:08
○NSns1.unlimited.uk.net2018-11-14 → 2018-11-14 · 4 obs
● 2018-11-14 22:52:58
○ 2026-07-01 15:41:40
○ 2026-07-26 09:41:08
●NSns2.mseed.uk2026-07-01 → 2026-07-26 · 3 obs
● 2026-07-01 15:41:40
● 2026-07-26 09:41:08
●NSns3.mseed.uk2026-07-01 → 2026-07-26 · 3 obs
● 2026-07-01 15:41:40
● 2026-07-26 09:41:08
○NSns33.1and1.co.uk2015-07-19 → 2017-01-16 · 4 obs
● 2017-01-16 12:48:54
○ 2018-11-14 22:52:58
○ 2026-07-26 09:41:08
○NSns34.1and1.co.uk2015-07-19 → 2017-01-16 · 4 obs
● 2017-01-16 12:48:54
○ 2018-11-14 22:52:58
○ 2026-07-26 09:41:08
●NSns4.mseed.uk2026-07-01 → 2026-07-26 · 3 obs
● 2026-07-01 15:41:40
● 2026-07-26 09:41:08
○MXmx00.1and1.co.uk2015-07-19 → 2017-01-16 · 4 obs
● 2017-01-16 12:48:54
○ 2018-11-14 22:52:58
○ 2026-07-26 09:41:08
○MXmx01.1and1.co.uk2015-07-19 → 2017-01-16 · 4 obs
● 2017-01-16 12:48:54
○ 2018-11-14 22:52:58
○ 2026-07-26 09:41:08
●MXrcuk.org2018-11-14 → 2026-07-26 · 3 obs
● 2018-11-14 22:52:58
● 2026-07-26 09:41:08
○A149.255.59.122018-11-14 → 2018-11-14 · 4 obs
● 2018-11-14 22:52:58
○ 2026-07-01 15:41:40
○ 2026-07-26 09:41:08
●A192.250.239.2412026-07-01 → 2026-07-26 · 3 obs
● 2026-07-01 15:41:40
● 2026-07-26 09:41:08
○A217.160.223.1012016-05-04 → 2017-01-16 · 5 obs
● 2016-05-04 02:57:54
● 2017-01-16 12:48:54
○ 2018-11-14 22:52:58
○ 2026-07-26 09:41:08
○A82.165.80.2142015-07-19 → 2016-02-07 · 4 obs
● 2016-02-07 05:35:10
○ 2016-05-04 02:57:54
○ 2026-07-26 09:41:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| rcuk.org | ns4.mseed.uk, ns1.mseed.uk, ns2.mseed.uk, ns3.mseed.uk | - |
✅ Authoritative Response
Server:99.83.147.209
NS records: ns4.mseed.uk, ns1.mseed.uk, ns2.mseed.uk, ns3.mseed.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rcuk.org (unsigned zone)
⏱️ Timing
Total: 846ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.250.239.241 |
| NS | 4 | ns4.mseed.uk, ns1.mseed.uk... |
| MX | 1 | rcuk.org (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:192.250.239.241 inclu |
| SOA | 1 | ns1.mseed.uk mseeduk.email.mustardseed.u |
Analysis
Mail Server Role
rcuk.org serves as a mail server for rcuk.org.
IP Addresses
rcuk.org has exactly one IP address — 192.250.239.241.
bbcsaving.com.np, mail.mr-fixit-4u.com, mr-fixit-4u.com plus two other host names have IP numbers in common with rcuk.org.
Name Servers
Four name servers handle the delegation for rcuk.org: ns1.mseed.uk, ns2.mseed.uk, ns3.mseed.uk and ns4.mseed.uk.
rcuk.org shares at least some of its name servers with other domains, such as northfieldaccountancy.com.
These name servers tend to appear in combination with the name servers ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com and ns4.mysecurecloudhost.com.
Four host names, each with one IP address: ns1.mseed.uk has 13.248.158.180, ns2.mseed.uk has 75.2.118.134, ns3.mseed.uk has 76.223.26.245 and ns4.mseed.uk has 99.83.147.209.
Mail Servers
rcuk.org uses exactly one mail server, which is rcuk.org.
rcuk.org resolves to a single IP number: 192.250.239.241.