`mackayarchitects.com`

DNSSEC	⚠️ Not signed
A	82.71.205.12^{🇬🇧 ZEN-AS82.71.0.0/16 Zen Internet Ltd}
		PTR	`shcp16.hosting.zen.net.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	`mailcluster.zen.co.uk` ⭐
		A	212.23.3.121^{🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd}
			PTR	`bastion02.mail.zen.net.uk`
		A	212.23.6.67^{🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd}
			PTR	`bastion04.mail.zen.net.uk`
TXT	`v=spf1 +mx +a +ip4:82.71.205.12 ~all`
TXT	`v=spf1 include:_cphspf.zen.co.uk ~all`
SOA	`ns0.zen.co.uk`netman@zen.co.uk 2016-01-08 #27

`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.net`nstld@verisign-grs.com serial=1774578782

Same first word

mackayarchitects.com

DNS History

5 records (4 active, 1 former)

●NSns0.zen.co.uk2016-01-22 → 2026-03-27 · 2 obs

● 2016-01-22 11:00:28
● 2026-03-27 02:40:52

●NSns1.zen.co.uk2016-01-22 → 2026-03-27 · 2 obs

● 2016-01-22 11:00:28
● 2026-03-27 02:40:52

○NSunamuno.zen.co.uk2016-01-22 → 2017-05-14 · 4 obs

● 2016-01-22 11:00:28
● 2017-05-14 04:40:26
○ 2026-03-27 02:40:46
○ 2026-03-27 02:40:52

●MXmailcluster.zen.co.uk2016-01-22 → 2026-03-27 · 2 obs

● 2016-01-22 11:00:28
● 2026-03-27 02:40:52

●A82.71.205.122016-01-22 → 2026-03-27 · 2 obs

● 2016-01-22 11:00:28
● 2026-03-27 02:40:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mackayarchitects.com	ns0.zen.co.uk, ns1.zen.co.uk	-

✅ 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 mackayarchitects.com (unsigned zone)

⏱️ Timing

Total: 680ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`82.71.205.12`
NS	2	`ns1.zen.co.uk, ns0.zen.co.uk`
MX	1	`mailcluster.zen.co.uk (pri: 10)`
TXT	2	`v=spf1 include:_cphspf.zen.co.uk ~all, v=spf1 +mx +a +ip4:82.71.205.12 ~all`
SOA	1	`ns0.zen.co.uk netman.zen.co.uk`

Analysis

IP Addresses

mackayarchitects.com points to a single IP: 82.71.205.12.

Other host names, for instance www.littleprincesskingdom.com, tonyroesolicitors.com, promoco.biz, nlynx.co.uk and mail.mailcomp.com share IP numbers with mackayarchitects.com.

Name Servers

Two name servers ns0.zen.co.uk and ns1.zen.co.uk handle delegation for mackayarchitects.com.

mackayarchitects.com uses the same name server setup as other domains, for example larsen-traps.co.uk, 172.155.217.in-addr.arpa, stmarysce.rochdale.sch.uk, lewisinman.com and speedflextrainingsystem.co.uk.

mackayarchitects.com partially shares name servers with other domains, such as jolomo.com and bedmatters.co.uk.

these name servers are commonly used with the name servers unamuno.zen.co.uk.

Host names with two IP numbers:

ns0.zen.co.uk points to: 2a02:8010:7:1::53 and 212.23.8.1

ns1.zen.co.uk points to: 2a02:8010:2:8::53 and 212.23.3.1

Mail Servers

mackayarchitects.com is handled by a single mail server, mailcluster.zen.co.uk.

mackayarchitects.com has the same mail server setup as other domains, including thesmales.co.uk, g4nzg.info, liquidsmooth.com, dentex.co.uk and basesound.co.uk.

mackayarchitects.com shares some mail servers with other domains, at least partially, such as crossleys.net, adaptimmunetherapeutics.eu, firefly-villas.com, thriveots.com and archilane.com.

These mail servers are often used together with liljefors.synology.me and mail.crossleys.net.

Host mailcluster.zen.co.uk resolves to two IPs: 212.23.3.121 and 212.23.6.67.

mackayarchitects.com - robtex.com