closedusernetworks.com - robtex.com
closedusernetworks.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.155.0.146 | ||||||
| PTR | basekit-lb1.uk.uk2group.com | ||||||
| NS | ultra101.uk2.net ⭐ | ||||||
| A | 213.155.0.223 | ||||||
| PTR | dns1.uk.chimera.uk2group.com | ||||||
| NS | ultra102.uk2.net | ||||||
| A | 213.155.0.226 | ||||||
| PTR | dns3.uk.chimera.uk2group.com | ||||||
| MX | mail.closedusernetworks.com ⭐ | ||||||
| TXT | v=spf1 a ip4:92.60.99.111 include:closedusernetworks.com include:technocrat... | ||||||
| SOA | ultra101.uk2.nethostmaster@closedusernetworks@com 2015-06-10 #7 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784170147 | ||||||
Subdomains
mail.closedusernetworks.com |
hostmaster.closedusernetworks.com |
Same first word
closedusernetworks.com |
DNS History
14 records (4 active, 10 former)
○MXalt1.aspmx.l.google.com2015-06-27 → 2016-03-03 · 4 obs
● 2016-03-03 13:05:22
○ 2016-06-20 06:01:18
○ 2026-07-16 03:12:32
○MXalt2.aspmx.l.google.com2015-06-27 → 2016-03-03 · 4 obs
● 2016-03-03 13:05:22
○ 2016-06-20 06:01:18
○ 2026-07-16 03:12:32
○MXalt3.aspmx.l.google.com2015-06-27 → 2016-03-03 · 4 obs
● 2016-03-03 13:05:22
○ 2016-06-20 06:01:18
○ 2026-07-16 03:12:32
○MXalt4.aspmx.l.google.com2015-06-27 → 2016-03-03 · 4 obs
● 2016-03-03 13:05:22
○ 2016-06-20 06:01:18
○ 2026-07-16 03:12:32
○MXaspmx.l.google.com2015-06-27 → 2016-03-03 · 4 obs
● 2016-03-03 13:05:22
○ 2016-06-20 06:01:18
○ 2026-07-16 03:12:32
●MXmail.closedusernetworks.com2026-04-11 → 2026-07-16 · 3 obs
● 2026-04-11 02:19:54
● 2026-07-16 03:12:32
○MXwww.closedusernetworks.com2016-06-20 → 2018-08-29 · 5 obs
● 2016-06-20 06:01:18
● 2018-08-29 17:28:58
○ 2026-04-11 02:19:54
○ 2026-07-16 03:12:32
○A176.67.160.82015-06-27 → 2026-04-11 · 7 obs
● 2016-03-03 13:05:22
○ 2016-06-20 06:01:18
○ 2018-08-29 17:28:58
● 2026-04-11 02:19:54
○ 2026-07-04 10:31:42
○ 2026-07-16 03:12:32
●A213.155.0.1462026-07-04 → 2026-07-16 · 3 obs
● 2026-07-04 10:31:42
● 2026-07-16 03:12:32
○A83.170.100.1022016-06-20 → 2017-02-12 · 5 obs
● 2016-06-20 06:01:18
● 2017-02-12 10:22:08
○ 2018-08-29 17:28:58
○ 2026-07-16 03:12:32
○A83.170.100.1032017-02-12 → 2017-02-12 · 4 obs
● 2017-02-12 10:22:08
○ 2018-08-29 17:28:58
○ 2026-07-16 03:12:32
○A88.202.224.802018-08-29 → 2018-08-29 · 4 obs
● 2018-08-29 17:28:58
○ 2026-04-11 02:19:54
○ 2026-07-16 03:12:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net... | - |
| closedusernetworks.com | ultra101.uk2.net, ultra102.uk2.net | - |
✅ Authoritative Response
Server:213.155.0.226
NS records: ultra101.uk2.net, ultra102.uk2.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for closedusernetworks.com (unsigned zone)
⏱️ Timing
Total: 411ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.155.0.146 |
| NS | 2 | ultra101.uk2.net, ultra102.uk2.net |
| MX | 1 | mail.closedusernetworks.com (pri: 10) |
| TXT | 1 | v=spf1 a ip4:92.60.99.111 include:close |
| SOA | 1 | ultra101.uk2.net hostmaster@closeduserne |
Analysis
Hierarchy
closedusernetworks.com serves as the parent of mail.closedusernetworks.com and hostmaster.closedusernetworks.com.
IP Addresses
closedusernetworks.com has exactly one IP address — 213.155.0.146.
wiltstechnology.com, tek-serve.co.uk, chemicalanalysis.co.uk plus two other host names have IP numbers in common with closedusernetworks.com.
Name Servers
closedusernetworks.com has two authoritative name servers — ultra101.uk2.net and ultra102.uk2.net.
The name server configuration of closedusernetworks.com is shared with other domains, for instance neatby.org, ccringcraft.com, clavernet.net and two others.
The name servers of closedusernetworks.com overlap at least partially with those of other domains — among them haddocks.com, headscan.co.uk, claimsmag.co.uk and two more.
These name servers commonly co-occur with the name servers dns2.uk2.net, dns1.uk2.net, dns3.uk2.net and uk2net.com.
Both ultra101.uk2.net and ultra102.uk2.net have a single IP address each — ultra101.uk2.net resolves to 213.155.0.223 while ultra102.uk2.net resolves to 213.155.0.226.
Mail Servers
closedusernetworks.com uses one mail server — mail.closedusernetworks.com.