`master-tech.co.uk`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4636^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:dc6e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.54^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.110^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rob.ns.cloudflare.com`
		A	108.162.193.140^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	172.64.33.140^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	173.245.59.140^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
NS	`sandy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0db^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sandy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20db^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sandy.ns.cloudflare.com`
		A	108.162.192.219^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
		A	172.64.32.219^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
		A	173.245.58.219^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sandy.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=qyPzPQGNVFlGU-zA-62TI2698NdlxOwXSp0oOsmlzac`
TXT	`v=spf1 mx a ip4:176.56.62.4 include:amazonses.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.70.54, 172.67.220.110
		IPv6 hints	2606:4700:3033::6815:4636, 2606:4700:3035::ac43:dc6e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com
SOA	`rob.ns.cloudflare.com`dns@cloudflare.com serial=2410317875

`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
	TXT	`#Timestamp: 1786156200`
	SOA	`dns1.nic.uk`hostmaster@nominet.org.uk serial=1786156298

rank #119394 globally
rank #3565 in the tld
WOT: SAFE (74/100)

Same first word

master-tech.com

master-tech.de

master-tech.biz

master-tech.ro

master-tech.co.uk

master-tech.net

master-tech.com.tw

master-tech.com.au

master-tech.pl

master-tech.gr

Similar names

DNS History

22 records (11 active, 11 former)

○NSprimary-dns.co.uk2015-05-01 → 2017-01-20 · 4 obs

● 2015-05-01 18:01:06
● 2017-01-20 09:52:44
○ 2019-03-06 23:35:08
○ 2026-08-08 02:32:10

●NSrob.ns.cloudflare.com2019-03-06 → 2026-08-08 · 3 obs

○ 2017-01-20 09:52:44
● 2019-03-06 23:35:08
● 2026-08-08 02:32:10

●NSsandy.ns.cloudflare.com2019-03-06 → 2026-08-08 · 3 obs

○ 2017-01-20 09:52:44
● 2019-03-06 23:35:08
● 2026-08-08 02:32:10

○NSsecondary-dns.co.uk2015-05-01 → 2017-01-20 · 4 obs

● 2015-05-01 18:01:06
● 2017-01-20 09:52:44
○ 2019-03-06 23:35:08
○ 2026-08-08 02:32:10

●MXalt1.aspmx.l.google.com2026-05-15 → 2026-08-08 · 3 obs

○ 2019-03-06 23:35:08
● 2026-05-15 00:32:42
● 2026-08-08 02:32:10

●MXalt2.aspmx.l.google.com2026-05-15 → 2026-08-08 · 3 obs

○ 2019-03-06 23:35:08
● 2026-05-15 00:32:42
● 2026-08-08 02:32:10

●MXalt3.aspmx.l.google.com2026-05-15 → 2026-08-08 · 3 obs

○ 2019-03-06 23:35:08
● 2026-05-15 00:32:42
● 2026-08-08 02:32:10

●MXalt4.aspmx.l.google.com2026-05-15 → 2026-08-08 · 3 obs

○ 2019-03-06 23:35:08
● 2026-05-15 00:32:42
● 2026-08-08 02:32:10

●MXaspmx.l.google.com2026-05-15 → 2026-08-08 · 3 obs

○ 2019-03-06 23:35:08
● 2026-05-15 00:32:42
● 2026-08-08 02:32:10

○MXc.secondary-mx.uk2015-05-01 → 2019-03-06 · 4 obs

● 2015-05-01 18:01:06
● 2019-03-06 23:35:08
○ 2026-05-15 00:32:42
○ 2026-08-08 02:32:10

○MXtertiary-mx.co.uk2015-05-01 → 2019-03-06 · 4 obs

● 2015-05-01 18:01:06
● 2019-03-06 23:35:08
○ 2026-05-15 00:32:42
○ 2026-08-08 02:32:10

●A104.21.70.542026-05-15 → 2026-08-08 · 3 obs

○ 2019-03-06 23:35:08
● 2026-05-15 00:32:42
● 2026-08-08 02:32:10

○A104.24.126.142019-03-06 → 2019-03-06 · 4 obs

○ 2017-01-20 09:52:44
● 2019-03-06 23:35:08
○ 2026-05-15 00:32:42
○ 2026-08-08 02:32:10

○A104.24.127.142019-03-06 → 2019-03-06 · 4 obs

○ 2017-01-20 09:52:44
● 2019-03-06 23:35:08
○ 2026-05-15 00:32:42
○ 2026-08-08 02:32:10

●A172.67.220.1102026-05-15 → 2026-08-08 · 3 obs

○ 2019-03-06 23:35:08
● 2026-05-15 00:32:42
● 2026-08-08 02:32:10

○A2606:4700:30::6818:7e0e2019-03-06 → 2019-03-06 · 4 obs

○ 2017-01-20 09:52:44
● 2019-03-06 23:35:08
○ 2026-05-15 00:32:42
○ 2026-08-08 02:32:10

○A2606:4700:30::6818:7f0e2019-03-06 → 2019-03-06 · 4 obs

○ 2017-01-20 09:52:44
● 2019-03-06 23:35:08
○ 2026-05-15 00:32:42
○ 2026-08-08 02:32:10

●A2606:4700:3033::6815:46362026-06-22 → 2026-08-08 · 3 obs

○ 2026-05-15 00:32:42
● 2026-06-22 18:29:30
● 2026-08-08 02:32:10

●A2606:4700:3035::ac43:dc6e2026-06-22 → 2026-08-08 · 3 obs

○ 2026-05-15 00:32:42
● 2026-06-22 18:29:30
● 2026-08-08 02:32:10

○A2606:4700:3037::6815:46362026-05-15 → 2026-05-15 · 4 obs

○ 2019-03-06 23:35:08
● 2026-05-15 00:32:42
○ 2026-06-22 18:29:30
○ 2026-08-08 02:32:10

○A2606:4700:3037::ac43:dc6e2026-05-15 → 2026-05-15 · 4 obs

○ 2019-03-06 23:35:08
● 2026-05-15 00:32:42
○ 2026-06-22 18:29:30
○ 2026-08-08 02:32:10

○A81.187.30.812015-05-01 → 2017-01-20 · 4 obs

● 2015-05-01 18:01:06
● 2017-01-20 09:52:44
○ 2019-03-06 23:35:08
○ 2026-08-08 02:32:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	dns2.nic.uk, nsb.nic.uk, dns4.nic.uk, nsd.nic.uk...	-
master-tech.co.uk	rob.ns.cloudflare.com, sandy.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.140

NS records: rob.ns.cloudflare.com, sandy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for master-tech.co.uk (unsigned zone)

⏱️ Timing

Total: 562ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.70.54, 172.67.220.110`
AAAA	2	`2606:4700:3033::6815:4636, 2606:4700:3035::ac43:dc6e`
NS	2	`rob.ns.cloudflare.com, sandy.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=qyPzPQGNVFlGU-z, v=spf1 mx a ip4:176.56.62.4 include:amaz`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rob.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

master-tech.co.uk has four IP addresses: 104.21.70.54, 172.67.220.110, 2606:4700:3033::6815:4636 and 2606:4700:3035::ac43:dc6e.

houyh.com, stayluxora-apartments.com, climatechangecapital.com and two other host names share IP numbers with master-tech.co.uk.

Name Servers

master-tech.co.uk has two authoritative name servers — rob.ns.cloudflare.com and sandy.ns.cloudflare.com.

master-tech.co.uk uses the same name servers as several other domains — among them bootunes.com, supereye.org, autowelt.mk and two more.

master-tech.co.uk partially shares its NS delegation with several other domains, including ivigames.com, seqmag.com, google-top.com and two others.

These name servers are regularly seen alongside jerry.ns.cloudflare.com and lady.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

rob.ns.cloudflare.com points to 108.162.193.140, 172.64.33.140, 173.245.59.140 and 3 other IP addresses.

sandy.ns.cloudflare.com points to 108.162.192.219, 172.64.32.219, 173.245.58.219 and 3 other IP addresses.

Mail Servers

Mail for master-tech.co.uk is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

master-tech.co.uk has at least partial mail server overlap with other domains such as railswest.net, sparkleandshinejanitorial.com, transtex.ro and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to 172.253.63.27 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1b.