sgsystems.co.uk - robtex.com
sgsystems.co.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 77.72.2.94🇬🇧 KRYSTAL77.72.2.0/24 | ||||||
| PTR | herring-lon.krystal.uk | ||||||
| NS | ns1.krystal.uk ⭐ | ||||||
| A | 77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | ns1.krystal.uk | ||||||
| NS | ns2.krystal.uk | ||||||
| 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 ip4:77.72.1.29 ip4:77.72.2.94 include:relay.k.io a mx ~all | ||||||
| SOA | ns1.krystal.ukadmin@demo.herring-lon.krystal.uk 2026-02-23 #1 | ||||||
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=1776159473 | ||||||
rank #13168 in the tld
WOT: SAFE (74/100)
Previously MX for
sgsystems.co.uk |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSns1.exactinternet.co.uk2015-05-13 → 2017-04-04 · 4 obs
● 2017-04-04 19:30:26
○ 2026-02-18 12:15:50
○ 2026-04-14 09:53:56
●NSns1.krystal.uk2026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 12:15:50
● 2026-04-14 09:53:56
○NSns2.exactinternet.co.uk2015-05-13 → 2017-04-04 · 4 obs
● 2017-04-04 19:30:26
○ 2026-02-18 12:15:50
○ 2026-04-14 09:53:56
●NSns2.krystal.uk2026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 12:15:50
● 2026-04-14 09:53:56
○MXhostedmail.enableit.org.uk2015-05-13 → 2017-04-04 · 4 obs
● 2017-04-04 19:30:26
○ 2026-02-18 12:15:50
○ 2026-04-14 09:53:56
●MXmx1.krystal.uk2026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 12:15:50
● 2026-04-14 09:53:56
●MXmx2.krystal.uk2026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 12:15:50
● 2026-04-14 09:53:56
○MXsgsystems.co.uk2015-05-13 → 2017-04-04 · 4 obs
● 2017-04-04 19:30:26
○ 2026-02-18 12:15:50
○ 2026-04-14 09:53:56
●A77.72.2.942026-02-18 → 2026-04-14 · 3 obs
● 2026-02-18 12:15:50
● 2026-04-14 09:53:56
○A95.154.208.302015-05-13 → 2017-04-04 · 4 obs
● 2017-04-04 19:30:26
○ 2026-02-18 12:15:50
○ 2026-04-14 09:53:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | dns1.nic.uk, nsb.nic.uk, dns3.nic.uk, nsc.nic.uk... | - |
| sgsystems.co.uk | ns1.krystal.uk, ns2.krystal.uk | - |
✅ Authoritative Response
Server:77.72.0.11
NS records: ns1.krystal.uk, ns2.krystal.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sgsystems.co.uk (unsigned zone)
⏱️ Timing
Total: 559ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.72.2.94 |
| NS | 2 | ns2.krystal.uk, ns1.krystal.uk |
| MX | 2 | mx2.krystal.uk (pri: 20), mx1.krystal.uk (pri: 10) |
| TXT | 1 | v=spf1 ip4:77.72.1.29 ip4:77.72.2.94 inc |
| SOA | 1 | ns1.krystal.uk admin.demo.herring-lon.kr |
Analysis
IP Addresses
sgsystems.co.uk resolves to a single IP address: 77.72.2.94.
Other host names including hgcodedwelding.com, this-is-cool.co.uk, asesrj.org.br, mail.laura-sparrow.com and www.woodstockco.com share IP numbers with sgsystems.co.uk.
Name Servers
sgsystems.co.uk's delegation uses two name servers, ns1.krystal.uk and ns2.krystal.uk.
sgsystems.co.uk shares the same name server setup as other domains, for example sladedesign.uk, nrgconsulting.org, jiffey.com, betfarm.co.uk and bookerlandscapes.com.
sgsystems.co.uk at least partially shares name servers with other domains, including axiomise.com, irenovateltd.co.uk, lifeforcemindfulness.com, gbrw.com and edharrison.co.uk.
These name servers are typically used together with the name servers ns1.krystal.co.uk, ns2.krystal.co.uk, ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk, ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.krystal.io, ns2.krystal.io, ns3.krystal.io and ns4.krystal.io.
Host names with a single IP:
ns1.krystal.uk points to 77.72.0.11.
ns2.krystal.uk points to 139.162.230.184.
Mail Servers
sgsystems.co.uk is handled by two mail servers: mx1.krystal.uk and mx2.krystal.uk.
sgsystems.co.uk shares its mail server setup with other domains, including boboncomputers.co.uk, ukcinemas.org.uk, timdi.co.uk, terryphillips.org.uk and cuv.org.uk.
sgsystems.co.uk shares some mail servers with other domains, at least partially, for instance keithstaxis.co.uk.
Host names with two IPs:
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