`tuiuk.com`

DNSSEC	⚠️ Not signed
A	2a00:18e0:5:2:7577:4e4d:413b:f507^{🇩🇪 Amazon2a00:18e0:5::/48 EC2 Prefix}
		PTR	`relay.mail-forwarder.io`
A	2a00:18e0:5:3:dfe2:c743:85aa:61bc^{🇩🇪 Amazon2a00:18e0:5::/48 EC2 Prefix}
A	5.22.145.16^{🇩🇪 Amazon5.22.145.0/24}
A	5.22.145.121^{🇩🇪 Amazon5.22.145.0/24}
NS	`ns01.brandshelter.com` ⭐
		A	2a04:2b00:14cc::15^{🇬🇧 RCODEZERO-ANYCAST-SEC1-TLD2a04:2b00:14cc::/48}
			PTR	`ns15.i.centralnic-dns.com`
		A	193.227.117.15^{🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24}
NS	`ns02.brandshelter.net`
		A	2a04:2b00:14dd::16^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14dd::/48}
			PTR	`ns16.j.centralnic-dns.com`
		A	194.50.187.16^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24}
MX	`tuiuk-com.mail.protection.outlook.com` ⭐
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
TXT	`MS=ms91997094`
TXT	`rs6n1w8kdy1x9661xyqc535wz7fqv85b`
TXT	`kss2h7v4jxhmvxz380sjbd862gyyjgxw`
TXT	`v=spf1 -all`
TXT	`b7m0g31hcv8p510029sv49nmwcg9k1xf`
TXT	`0zrtny8m94ghmcj0pmhfqkcgs8z2c96s`
TXT	`GDqBk9kQiD4UT5y/revYwU9yjl9APKmStAFzwEB/aiK2eFtfr9RSOlMLU3T0tj8OHSpJv5hedmop7...`
TXT	`_s65p2gfwndyyt2hpo07e21td3z7w9wb`
TXT	`k8m9p3tjwkrnpwj06mzxkj81k60k2mzw`
SOA	`ns01.brandshelter.com`tech@brandshelter.com 2025-03-10 #0

`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=1771291435

Subdomains

citrix.tuiuk.com

cs.tuiuk.com

www.tuiuk.com

Same first word

tuiuk.com

Similar names

tukui.jp

tuiku.com.cn

uukit.com

kutui.cn

ukitu.com

utuki.co.jp

ikutu.com

utiku.io

utiku.com

tukui.co.jp

ukitu.net

uktui.com

tuuki.com

ituku.com

kuitu.fi

kiuut.com

tikuu.com

tukui.org

kuuti.de

utiku.net

utiku.org.nz

tuuki.ca

tuiku.com

tiuku.com

tuiku.net

kuuti.com

utuki.com

kuitu.com

DNS History

17 records (7 active, 10 former)

●NSns01.brandshelter.com2026-02-17 → 2026-03-13 · 3 obs

○ 2017-10-14 00:20:04
● 2026-02-17 10:40:02
● 2026-03-13 13:55:58

●NSns02.brandshelter.net2026-02-17 → 2026-03-13 · 3 obs

○ 2017-10-14 00:20:04
● 2026-02-17 10:40:02
● 2026-03-13 13:55:58

○NSns1.domaindiscount24.net2015-08-10 → 2017-10-14 · 4 obs

● 2015-08-10 07:20:38
● 2017-10-14 00:20:04
○ 2026-02-17 10:40:02
○ 2026-03-13 13:55:58

○NSns2.domaindiscount24.net2015-08-10 → 2017-10-14 · 4 obs

● 2015-08-10 07:20:38
● 2017-10-14 00:20:04
○ 2026-02-17 10:40:02
○ 2026-03-13 13:55:58

○NSns3.domaindiscount24.net2015-08-10 → 2017-10-14 · 4 obs

● 2015-08-10 07:20:38
● 2017-10-14 00:20:04
○ 2026-02-17 10:40:02
○ 2026-03-13 13:55:58

○MXcust1886-1.in.mailcontrol.com2015-08-10 → 2017-10-14 · 4 obs

● 2015-08-10 07:20:38
● 2017-10-14 00:20:04
○ 2026-02-17 10:40:02
○ 2026-03-13 13:55:58

○MXcust1886-2.in.mailcontrol.com2015-08-10 → 2017-10-14 · 4 obs

● 2015-08-10 07:20:38
● 2017-10-14 00:20:04
○ 2026-02-17 10:40:02
○ 2026-03-13 13:55:58

○MXcust1886-3.in.mailcontrol.com2015-08-10 → 2017-10-14 · 4 obs

● 2015-08-10 07:20:38
● 2017-10-14 00:20:04
○ 2026-02-17 10:40:02
○ 2026-03-13 13:55:58

●MXtuiuk-com.mail.protection.outlook.com2026-02-17 → 2026-03-13 · 3 obs

○ 2017-10-14 00:20:04
● 2026-02-17 10:40:02
● 2026-03-13 13:55:58

○A109.234.109.202015-08-10 → 2016-03-21 · 4 obs

● 2015-08-10 07:20:38
● 2016-03-21 18:30:24
○ 2016-04-23 17:45:28
○ 2026-03-13 13:55:58

○A109.234.109.212015-08-10 → 2016-03-21 · 4 obs

● 2015-08-10 07:20:38
● 2016-03-21 18:30:24
○ 2016-04-23 17:45:28
○ 2026-03-13 13:55:58

○A213.128.138.2362015-08-10 → 2016-03-21 · 4 obs

● 2015-08-10 07:20:38
● 2016-03-21 18:30:24
○ 2016-04-23 17:45:28
○ 2026-03-13 13:55:58

●A2a00:18e0:5:2:7577:4e4d:413b:f5072026-02-17 → 2026-03-13 · 3 obs

○ 2017-10-14 00:20:04
● 2026-02-17 10:40:02
● 2026-03-13 13:55:58

●A2a00:18e0:5:3:dfe2:c743:85aa:61bc2026-02-17 → 2026-03-13 · 3 obs

○ 2017-10-14 00:20:04
● 2026-02-17 10:40:02
● 2026-03-13 13:55:58

●A5.22.145.1212026-02-17 → 2026-03-13 · 3 obs

○ 2017-10-14 00:20:04
● 2026-02-17 10:40:02
● 2026-03-13 13:55:58

●A5.22.145.162026-02-17 → 2026-03-13 · 3 obs

○ 2017-10-14 00:20:04
● 2026-02-17 10:40:02
● 2026-03-13 13:55:58

○A51.254.41.572016-04-23 → 2017-10-14 · 5 obs

○ 2016-03-21 18:30:24
● 2016-04-23 17:45:28
● 2017-10-14 00:20:04
○ 2026-02-17 10:40:02
○ 2026-03-13 13:55:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tuiuk.com	ns01.brandshelter.com, ns02.brandshelter.net	2 records

✅ Authoritative Response

Server: 193.227.117.15

NS records: ns01.brandshelter.com, ns02.brandshelter.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tuiuk.com (unsigned zone)

⏱️ Timing

Total: 805ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`5.22.145.121, 5.22.145.16`
AAAA	2	`2a00:18e0:5:2:7577:4e4d:413b:f507, 2a00:18e0:5:3:dfe2:c743:85aa:61bc`
NS	2	`ns02.brandshelter.net, ns01.brandshelter.com`
MX	1	`tuiuk-com.mail.protection.outlook.com (p`
TXT	9	`MS=ms91997094, rs6n1w8kdy1x9661xyqc535wz7fqv85b...`
SOA	1	`ns01.brandshelter.com tech.brandshelter.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns01.brandshelter.com, ns01.brandshelter.com)

Analysis

Hierarchy

tuiuk.com is a parent of citrix.tuiuk.com, cs.tuiuk.com and www.tuiuk.com.

IP Addresses

tuiuk.com maps to four IP numbers: 2a00:18e0:5:2:7577:4e4d:413b:f507, 2a00:18e0:5:3:dfe2:c743:85aa:61bc, 5.22.145.16 and 5.22.145.121.

Other host names, for instance millet.eu, softwareag.lt, vandijk.ca, policezone.com and dragongame.com share IP numbers with tuiuk.com.

Name Servers

Two name servers ns01.brandshelter.com and ns02.brandshelter.net are delegated to tuiuk.com.

tuiuk.com uses the same name server configuration as other domains, such as slavutich.ua, zalandoperformance.in, zelando.jp, calando-key.mobi and pvf.nl.

tuiuk.com at least partially shares name servers with other domains such as dhl-consulting.com, versandinfo.com, dhl.name, risinghope.nl and hl-executive.com.

these name servers are commonly used alongside the name servers ns.deutschepost.de, ppd00021.deutschepost.de, ns1.domaindiscount24.net, ns2.domaindiscount24.net and ns3.domaindiscount24.net.

Host names with two IPs:

ns01.brandshelter.com points to 2a04:2b00:14cc::15 and 193.227.117.15.

ns02.brandshelter.net points to 2a04:2b00:14dd::16 and 194.50.187.16.

Mail Servers

tuiuk.com is handled by a single mail server, tuiuk-com.mail.protection.outlook.com.

tuiuk-com.mail.protection.outlook.com resolves to four IPs: 52.101.68.0, 52.101.68.21, 52.101.68.36 and 52.101.73.12.

tuiuk.com - robtex.com

tuiuk.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`tuiuk.com`

`com`