`computer-surgery.net`

DNSSEC	⚠️ Not signed
A	77.72.2.134^{🇬🇧 KRYSTAL77.72.2.0/24}
		PTR	`p134.lon.krystal.io`
NS	`ns1.krystal.uk` ⭐ ⚠️ Not in parent delegation
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns1.krystal.co.uk` ⚠️ Not in zone NS records
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns2.krystal.co.uk` ⚠️ Not in zone NS records
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
NS	`ns2.krystal.uk` ⚠️ Not in parent delegation
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
MX	`mx1.krystal.io` ⭐
		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.io`⁽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 ip4:185.194.90.10 ip4:77.72.2.134 a mx ip4:77.72.0.162 include:relay.k...`
SOA	`ns1.krystal.uk`admin@demo.p134.lon.krystal.io 2026-07-25 #1

`net`

	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.net`nstld@verisign-grs.com serial=1784958017

Subdomains

www.computer-surgery.net

Same first word

computer-surgery.co.uk

computer-surgery.net

DNS History

10 records (7 active, 3 former)

●NSns1.krystal.co.uk2015-08-07 → 2026-07-25 · 2 obs

● 2015-08-07 12:46:46
● 2026-07-25 05:55:48

●NSns1.krystal.uk2026-06-08 → 2026-07-25 · 3 obs

○ 2015-08-07 12:46:46
● 2026-06-08 11:17:46
● 2026-07-25 05:55:48

●NSns2.krystal.co.uk2015-08-07 → 2026-07-25 · 2 obs

● 2015-08-07 12:46:46
● 2026-07-25 05:55:48

●NSns2.krystal.uk2026-06-08 → 2026-07-25 · 3 obs

○ 2015-08-07 12:46:46
● 2026-06-08 11:17:46
● 2026-07-25 05:55:48

○MXmx1.krystal.co.uk2015-08-07 → 2017-02-13 · 4 obs

● 2015-08-07 12:46:46
● 2017-02-13 14:01:40
○ 2026-06-08 11:17:46
○ 2026-07-25 05:55:48

●MXmx1.krystal.io2026-06-08 → 2026-07-25 · 3 obs

○ 2017-02-13 14:01:40
● 2026-06-08 11:17:46
● 2026-07-25 05:55:48

○MXmx2.krystal.co.uk2015-08-07 → 2017-02-13 · 4 obs

● 2015-08-07 12:46:46
● 2017-02-13 14:01:40
○ 2026-06-08 11:17:46
○ 2026-07-25 05:55:48

●MXmx2.krystal.io2026-06-08 → 2026-07-25 · 3 obs

○ 2017-02-13 14:01:40
● 2026-06-08 11:17:46
● 2026-07-25 05:55:48

○A77.72.0.1622015-08-07 → 2017-02-13 · 4 obs

● 2015-08-07 12:46:46
● 2017-02-13 14:01:40
○ 2026-06-08 11:17:46
○ 2026-07-25 05:55:48

●A77.72.2.1342026-06-08 → 2026-07-25 · 3 obs

○ 2017-02-13 14:01:40
● 2026-06-08 11:17:46
● 2026-07-25 05:55:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
computer-surgery.net	ns1.krystal.co.uk, ns2.krystal.co.uk	-

✅ Authoritative Response

Server:139.162.230.184

NS records: ns1.krystal.co.uk, ns2.krystal.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computer-surgery.net (unsigned zone)

⏱️ Timing

Total: 524ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.2.134`
NS	2	`ns2.krystal.uk, ns1.krystal.uk`
MX	2	`mx1.krystal.io (pri: 10), mx2.krystal.io (pri: 20)`
TXT	1	`v=spf1 ip4:185.194.90.10 ip4:77.72.2.134`
SOA	1	`ns1.krystal.uk admin.demo.p134.lon.kryst`

Analysis

Hierarchy

computer-surgery.net serves as the parent of www.computer-surgery.net.

IP Addresses

computer-surgery.net resolves to one IP address: 77.72.2.134.

hub74.com, thisisvida.co.uk, georgebakerracing.com and two other host names share IP numbers with computer-surgery.net.

Name Servers

The authoritative name servers for computer-surgery.net are ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.

computer-surgery.net has at least partial name server overlap with other domains, such as villaruya.com, create-enable.com, firstaidmedicalservices.co.uk and two others.

ns1.cloudhosting.uk, ns2.cloudhosting.uk and ns1.krystal.io — plus 7 other name servers — are commonly paired with these name servers.

Four host names, each with a single IP address: ns1.krystal.uk → 77.72.0.11, ns2.krystal.uk → 139.162.230.184, ns1.krystal.co.uk → 77.72.0.11 and ns2.krystal.co.uk → 139.162.230.184.

The host names ns1.krystal.uk and ns1.krystal.co.uk both resolve to 77.72.0.11 IP addresses.

The host names ns2.krystal.uk and ns2.krystal.co.uk both resolve to 139.162.230.184 IP addresses.

Mail Servers

Mail for computer-surgery.net is handled by two mail servers — mx1.krystal.io and mx2.krystal.io.

computer-surgery.net uses an identical mail server configuration to several other domains — among them panelsbysofia.com, devantech.co.uk, globalaviationresource.com and two more.

The mail servers of computer-surgery.net are at least partially shared with other domains, including studylanguage.com.

Both mx1.krystal.io and mx2.krystal.io have two IP addresses each. mx1.krystal.io resolves to 185.53.56.44 and 185.53.56.46; mx2.krystal.io resolves to 185.53.56.45 and 185.53.56.47.

computer-surgery.net - robtex.com