squarewave.co.uk - robtex.com
squarewave.co.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 82.71.106.126🇬🇧 ZEN-AS82.71.0.0/16 Zen Internet Ltd | ||||||
| PTR | 82-71-106-126.dsl.in-addr.zen.co.uk | ||||||
| NS | ns0.zen.co.uk ⭐ | ||||||
| A | 2a02:8010:7:1::53🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd | ||||||
| PTR | ns0.zen.co.uk | ||||||
| A | 212.23.8.1🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd | ||||||
| PTR | ns0.zen.co.uk | ||||||
| NS | ns1.zen.co.uk | ||||||
| A | 2a02:8010:2:8::53🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd | ||||||
| PTR | ns1.zen.co.uk | ||||||
| A | 212.23.3.1🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd | ||||||
| PTR | ns1.zen.co.uk | ||||||
| MX | mail2.squarewave.co.uk ⭐ | ||||||
| MX | mail.c9133427.myzen.co.uk(4) | ||||||
| A | 82.71.204.31🇬🇧 ZEN-AS82.71.0.0/16 Zen Internet Ltd | ||||||
| PTR | shcp19.hosting.zen.net.uk | ||||||
| MX | mail.squarewave.co.uk(5) | ||||||
| A | 82.71.106.126🇬🇧 ZEN-AS82.71.0.0/16 Zen Internet Ltd | ||||||
| PTR | 82-71-106-126.dsl.in-addr.zen.co.uk | ||||||
| TXT | v=spf1 a:squarewave.co.uk +ip4:82.71.204.31 +ip4:82.71.106.126 ~all | ||||||
| SOA | ns0.zen.co.uknetman@zen.co.uk 2016-10-29 #12 | ||||||
co.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=1785460971 | ||||||
rank #3502 in the tld
WOT: SAFE (74/100)
Subdomains
Same first word
DNS History
21 records (6 active, 15 former)
○NSa.ns.ns247.net2015-06-15 → 2016-04-17 · 5 obs
● 2015-06-15 01:07:24
● 2016-04-17 00:17:36
○ 2017-01-01 14:58:38
○ 2026-07-31 02:15:24
○NSb.ns.ns247.net2015-06-15 → 2016-04-17 · 5 obs
● 2015-06-15 01:07:24
● 2016-04-17 00:17:36
○ 2017-01-01 14:58:38
○ 2026-07-31 02:15:24
○NSc.ns.ns247.net2015-06-15 → 2016-04-17 · 5 obs
● 2015-06-15 01:07:24
● 2016-04-17 00:17:36
○ 2017-01-01 14:58:38
○ 2026-07-31 02:15:24
○NSd.ns.ns247.net2015-06-15 → 2016-04-17 · 5 obs
● 2015-06-15 01:07:24
● 2016-04-17 00:17:36
○ 2017-01-01 14:58:38
○ 2026-07-31 02:15:24
○NSdns0.nildram.co.uk2007-08-18 → 2007-08-18 · 3 obs
○ 2015-06-15 01:07:24
○ 2026-07-31 02:15:24
○NSdns0.nildram.com2007-08-18 → 2007-08-18 · 3 obs
○ 2015-06-15 01:07:24
○ 2026-07-31 02:15:24
○NSdns1.nildram.co.uk2007-08-18 → 2007-08-18 · 3 obs
○ 2015-06-15 01:07:24
○ 2026-07-31 02:15:24
○NSdns1.nildram.com2007-08-18 → 2007-08-18 · 3 obs
○ 2015-06-15 01:07:24
○ 2026-07-31 02:15:24
●NSns0.zen.co.uk2017-01-01 → 2026-07-31 · 3 obs
● 2017-01-01 14:58:38
● 2026-07-31 02:15:24
●NSns1.zen.co.uk2017-01-01 → 2026-07-31 · 3 obs
● 2017-01-01 14:58:38
● 2026-07-31 02:15:24
○NSunamuno.zen.co.uk2017-01-01 → 2017-01-01 · 4 obs
● 2017-01-01 14:58:38
○ 2017-11-12 23:13:16
○ 2026-07-31 02:15:24
○MXa.mx.nildram.net2007-08-18 → 2007-08-18 · 3 obs
○ 2015-06-15 01:07:24
○ 2026-07-31 02:15:24
○MXb.mx.nildram.net2007-08-18 → 2007-08-18 · 3 obs
○ 2015-06-15 01:07:24
○ 2026-07-31 02:15:24
●MXmail.c9133427.myzen.co.uk2026-07-03 → 2026-07-31 · 3 obs
● 2026-07-03 20:47:12
● 2026-07-31 02:15:24
●MXmail.squarewave.co.uk2015-06-15 → 2026-07-31 · 3 obs
● 2015-06-15 01:07:24
● 2026-07-31 02:15:24
●MXmail2.squarewave.co.uk2026-03-21 → 2026-07-31 · 3 obs
● 2026-03-21 13:16:54
● 2026-07-31 02:15:24
○MXmailcluster.zen.co.uk2017-11-12 → 2017-11-12 · 4 obs
● 2017-11-12 23:13:16
○ 2026-03-21 13:16:54
○ 2026-07-31 02:15:24
○A217.64.121.12015-06-15 → 2016-04-17 · 5 obs
● 2015-06-15 01:07:24
● 2016-04-17 00:17:36
○ 2017-01-01 14:58:38
○ 2026-07-31 02:15:24
○A81.6.239.1052007-08-18 → 2007-08-18 · 3 obs
○ 2015-06-15 01:07:24
○ 2026-07-31 02:15:24
○A82.69.165.2542017-01-01 → 2017-11-12 · 5 obs
● 2017-01-01 14:58:38
● 2017-11-12 23:13:16
○ 2026-07-31 02:15:22
○ 2026-07-31 02:15:24
●A82.71.106.1262026-07-31 → 2026-07-31 · 3 obs
● 2026-07-31 02:15:22
● 2026-07-31 02:15:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk... | - |
| squarewave.co.uk | ns0.zen.co.uk, ns1.zen.co.uk | 2 records |
✅ Authoritative Response
Server:212.23.3.1
NS records: ns0.zen.co.uk, ns1.zen.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for squarewave.co.uk (unsigned zone)
⏱️ Timing
Total: 604ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.71.106.126 |
| NS | 2 | ns0.zen.co.uk, ns1.zen.co.uk |
| MX | 3 | mail.c9133427.myzen.co.uk (pri: 4), mail2.squarewave.co.uk (pri: 5)... |
| TXT | 1 | v=spf1 a:squarewave.co.uk +ip4:82.71.20 |
| SOA | 1 | ns0.zen.co.uk netman.zen.co.uk |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns0.zen.co.uk, ns1.zen.co.uk)
Analysis
Hierarchy
squarewave.co.uk is the parent domain of mail2.squarewave.co.uk, www.squarewave.co.uk and mail.squarewave.co.uk.
IP Addresses
squarewave.co.uk has exactly one IP address — 82.71.106.126.
Name Servers
The NS records for squarewave.co.uk delegate to ns0.zen.co.uk and ns1.zen.co.uk.
The name server configuration of squarewave.co.uk is shared with other domains, for instance 53.98.88.in-addr.arpa, 168.104.77.in-addr.arpa, intrasec.co.uk and two others.
ns0.zen.co.uk resolves to 212.23.8.1 and 2a02:8010:7:1::53. Likewise, ns1.zen.co.uk resolves to 212.23.3.1 and 2a02:8010:2:8::53 — two IP addresses apiece.
Mail Servers
squarewave.co.uk is handled by three mail servers: mail2.squarewave.co.uk, mail.squarewave.co.uk and mail.c9133427.myzen.co.uk.
mail.squarewave.co.uk and mail.c9133427.myzen.co.uk each resolve to one IP number: mail.squarewave.co.uk points to 82.71.106.126 and mail.c9133427.myzen.co.uk points to 82.71.204.31.