`att.org.uk`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:de^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:1de^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4a3f^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.0.222^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.1.222^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.74.63^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`isabel.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2668^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c268^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isabel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2268^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isabel.ns.cloudflare.com`
		A	108.162.194.104^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	162.159.38.104^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
		A	172.64.34.104^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isabel.ns.cloudflare.com`
NS	`marvin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cfb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marvin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3fb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marvin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23fb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marvin.ns.cloudflare.com`
		A	108.162.195.251^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marvin.ns.cloudflare.com`
		A	162.159.44.251^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marvin.ns.cloudflare.com`
		A	172.64.35.251^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marvin.ns.cloudflare.com`
MX	`eu-smtp-inbound-1.mimecast.com` ⭐
		A	91.220.42.201^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.211^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.241^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.201^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.211^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.241^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
MX	`eu-smtp-inbound-2.mimecast.com` ⭐
		A	91.220.42.201^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.211^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	91.220.42.241^{🇬🇧 MIMECAST-UK91.220.42.0/24 MIMECAST-NET2}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.201^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.211^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
		A	195.130.217.241^{🇬🇧 MIMECAST-UK195.130.217.0/24}
			PTR	`eu-smtp-inbound-1.mimecast.com`
			PTR	`eu-smtp-inbound-2.mimecast.com`
TXT	`DZC=BqWH8Zb3`
TXT	`jN1CawTBGLk57rAqpyBC6MTxVcu0KvvqLTgmOGiK0u17vgywihwgZSeWycBgRgeHeEKW4mZg/UaU/...`
TXT	`v=spf1 a ip4:185.13.110.160/24 include:eu._netblocks.mimecast.com include:spf...`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.26.0.222, 104.26.1.222, 172.67.74.63
		IPv6	2606:4700:20::681a:de, 2606:4700:20::681a:1de, 2606:4700:20::ac43:4a3f
SOA	`isabel.ns.cloudflare.com`dns@cloudflare.com serial=2399500918

`org.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.uk`hostmaster@nominet.org.uk serial=1773546100

rank #383470 globally
rank #21816 in the tld
WOT: SAFE (63/100)
rank #923933 globally
rank #34383 in the tld
WOT: SAFE (71/100)

Subdomains

www.att.org.uk

testeducation.att.org.uk

Same first word

att.co.th

att.uz

att.buzz

att.com.pe

att.com.tw

att.com.pt

att.si

att.fr

att.ba

att.net.cm

att.bet

att.bz

att.com.hr

att.org.il

att.su

att.mx

att.om

att.expert

att.es

att.org.nz

att.s3.amazonaws.com

att.im

att.cn

att.com.br

att.ie

att.ca

att.direct

att.gob.bo

att.ne.jp

att.qa

att.github.io

att.co.il

att.la

att.co.uk

att.kr

att.hr

att.info

att.com.cm

att.nl

att.jp

att.hu

att.ch

att.com.mx

att.lt

att.com.cn

att.com.tr

att.net.nz

att.ru

att.co.nz

att.com.pr

att.tm

att.be

att.fan

att.ge

att.tw

att.dev

att.gov.tn

att.org.uk

att.mobi

att.bg

att.company

att.co.in

att.ai

att.et

att.se

att.video

att.net.mx

att.cr

att.net

att.dk

att.com

att.ma

att.business

att.us

att.cc

att.co

att.com.ar

att.tel

att.jobs

att.pr

att.me

att.com.ua

att.sa

att.net.co

att.org

att.cl

att.my

att.io

att.pl

att.ee

att.fi

att.tv

att.gd

att.ps

att.ua

att.com.co

att.by

att.cz

att.social

att.digital

att.lu

att.sk

att.it

att.cm

att.eu

att.no

att.at

att.square7.de

att.biz

att.kiev.ua

att.co.at

att.ae

att.com.sa

att.cloud

att.co.kr

Similar names

tat.cc

tta.eu

tta.gr

tat.ch

tta.solutions

tta.gov.tw

tat.ru

tta.clothing

tat.uk

tta.com.tr

tta.com.es

tat.fr

tat.jp

tta.co.nz

tat.or.th

tat.mobi

tat.co.at

tat.dev

tta.net

tat.mn

tta.it

tat.es

tta.or.at

tat.tw

tta.pl

tat.rent

tta.info

tat.sc.gov.br

tat.org.nz

tat.ba

tta.gob.ni

tat.edu.mx

tat.ae

tta.de

tta.am

tta.dk

tat.plus

tat.sh

tta.se

tta.co.il

tat.ua

tat.gov.mv

tta.li

tta.net.au

tat.at

tat.go.ug

tta.co.ke

tta.lv

tat.vn

tta.ru

tta.me

DNS History

25 records (10 active, 15 former)

●NSisabel.ns.cloudflare.com2026-02-19 → 2026-03-20 · 3 obs

○ 2021-07-02 17:09:54
● 2026-02-19 03:22:18
● 2026-03-20 18:43:24

●NSmarvin.ns.cloudflare.com2026-02-19 → 2026-03-20 · 3 obs

○ 2021-07-02 17:09:54
● 2026-02-19 03:22:18
● 2026-03-20 18:43:24

○NSns0.wizards.co.uk2015-08-03 → 2018-01-13 · 4 obs

● 2015-08-03 11:03:38
● 2018-01-13 22:41:50
○ 2021-07-02 17:09:54
○ 2026-03-20 18:43:24

○NSns1.hostinguk.net2021-07-02 → 2021-07-02 · 4 obs

○ 2018-01-13 22:41:50
● 2021-07-02 17:09:54
○ 2026-02-19 03:22:18
○ 2026-03-20 18:43:24

○NSns1.wizards.co.uk2015-08-03 → 2018-01-13 · 4 obs

● 2015-08-03 11:03:38
● 2018-01-13 22:41:50
○ 2021-07-02 17:09:54
○ 2026-03-20 18:43:24

○NSns2.hostinguk.net2021-07-02 → 2021-07-02 · 4 obs

○ 2018-01-13 22:41:50
● 2021-07-02 17:09:54
○ 2026-02-19 03:22:18
○ 2026-03-20 18:43:24

○NSns2.wizards.co.uk2015-08-03 → 2018-01-13 · 4 obs

● 2015-08-03 11:03:38
● 2018-01-13 22:41:50
○ 2021-07-02 17:09:54
○ 2026-03-20 18:43:24

○NSns3.hostinguk.net2021-07-02 → 2021-07-02 · 4 obs

○ 2018-01-13 22:41:50
● 2021-07-02 17:09:54
○ 2026-02-19 03:22:18
○ 2026-03-20 18:43:24

●MXeu-smtp-inbound-1.mimecast.com2015-08-03 → 2026-03-20 · 2 obs

● 2015-08-03 11:03:38
● 2026-03-20 18:43:24

●MXeu-smtp-inbound-2.mimecast.com2015-08-03 → 2026-03-20 · 2 obs

● 2015-08-03 11:03:38
● 2026-03-20 18:43:24

○MXms28827893.msv1.invalid.outlook.com2015-08-03 → 2018-01-13 · 4 obs

● 2015-08-03 11:03:38
● 2018-01-13 22:41:50
○ 2021-07-02 17:09:54
○ 2026-03-20 18:43:24

●A104.26.0.2222026-02-19 → 2026-03-20 · 3 obs

○ 2021-07-02 17:09:54
● 2026-02-19 03:22:18
● 2026-03-20 18:43:24

●A104.26.1.2222026-02-19 → 2026-03-20 · 3 obs

○ 2021-07-02 17:09:54
● 2026-02-19 03:22:18
● 2026-03-20 18:43:24

○A161.47.19.362016-05-19 → 2018-01-13 · 5 obs

○ 2016-02-14 14:58:18
● 2016-05-19 06:47:52
● 2018-01-13 22:41:50
○ 2021-07-02 17:09:54
○ 2026-03-20 18:43:24

●A172.67.74.632026-02-19 → 2026-03-20 · 3 obs

○ 2021-07-02 17:09:54
● 2026-02-19 03:22:18
● 2026-03-20 18:43:24

○A193.195.220.192015-08-03 → 2015-11-12 · 4 obs

● 2015-08-03 11:03:38
● 2015-11-12 20:00:20
○ 2016-02-04 06:52:30
○ 2026-03-20 18:43:24

○A193.237.224.602016-02-04 → 2016-02-14 · 5 obs

○ 2015-11-12 20:00:20
● 2016-02-04 06:52:30
● 2016-02-14 14:58:18
○ 2016-05-19 06:47:52
○ 2026-03-20 18:43:24

○A2001:4801:7901:0:c5ce:526c:0:1a2016-02-04 → 2016-02-14 · 5 obs

○ 2015-11-12 20:00:20
● 2016-02-04 06:52:30
● 2016-02-14 14:58:18
○ 2016-05-19 06:47:52
○ 2026-03-20 18:43:24

○A2001:4801:7905:100:aff8:a2d8:0:d242016-05-19 → 2018-01-13 · 5 obs

○ 2016-02-14 14:58:18
● 2016-05-19 06:47:52
● 2018-01-13 22:41:50
○ 2021-07-02 17:09:54
○ 2026-03-20 18:43:24

○A23.185.0.32021-07-02 → 2021-07-02 · 4 obs

○ 2018-01-13 22:41:50
● 2021-07-02 17:09:54
○ 2026-02-19 03:22:18
○ 2026-03-20 18:43:24

●A2606:4700:20::681a:1de2026-02-19 → 2026-03-20 · 3 obs

○ 2021-07-02 17:09:54
● 2026-02-19 03:22:18
● 2026-03-20 18:43:24

●A2606:4700:20::681a:de2026-02-19 → 2026-03-20 · 3 obs

○ 2021-07-02 17:09:54
● 2026-02-19 03:22:18
● 2026-03-20 18:43:24

●A2606:4700:20::ac43:4a3f2026-02-19 → 2026-03-20 · 3 obs

○ 2021-07-02 17:09:54
● 2026-02-19 03:22:18
● 2026-03-20 18:43:24

○A2620:12a:8000::32021-07-02 → 2021-07-02 · 4 obs

○ 2018-01-13 22:41:50
● 2021-07-02 17:09:54
○ 2026-02-19 03:22:18
○ 2026-03-20 18:43:24

○A2620:12a:8001::32021-07-02 → 2021-07-02 · 4 obs

○ 2018-01-13 22:41:50
● 2021-07-02 17:09:54
○ 2026-02-19 03:22:18
○ 2026-03-20 18:43:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
att.org.uk	marvin.ns.cloudflare.com, isabel.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.35.251

NS records: marvin.ns.cloudflare.com, isabel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for att.org.uk (unsigned zone)

⏱️ Timing

Total: 462ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.1.222, 172.67.74.63...`
AAAA	3	`2606:4700:20::681a:1de, 2606:4700:20::ac43:4a3f...`
NS	2	`isabel.ns.cloudflare.com, marvin.ns.cloudflare.com`
MX	2	`eu-smtp-inbound-1.mimecast.com (pri: 10), eu-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	3	`DZC=BqWH8Zb3, jN1CawTBGLk57rAqpyBC6MTxVcu0KvvqLTgmOGiK...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`isabel.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

att.org.uk is a parent of www.att.org.uk and testeducation.att.org.uk.

IP Addresses

att.org.uk maps to six IPs: 2606:4700:20::681a:de, 2606:4700:20::681a:1de, 2606:4700:20::ac43:4a3f, 104.26.0.222, 104.26.1.222 and 172.67.74.63.

Other host names, for instance freshlysqueezedsamples.com, mx1.hilldrup.com, uds.rezayat.net, jobs.rezayat.net and theaustralianfoodshop.com share IP numbers with att.org.uk.

Name Servers

att.org.uk's delegation uses two name servers: isabel.ns.cloudflare.com and marvin.ns.cloudflare.com.

att.org.uk uses the same name server setup as other domains, such as paysdevillers-tourisme.be, wj8.org, taxadvisermagazine.com, litrg.org.uk and group-isource.com.

att.org.uk at least partially shares name servers with other domains, including myrushrewards.com, youngasian(0x706f726e)tube.net, hurtnewyork.com, jongeri.us and suprasfootwearsca.com.

These name servers are commonly used together with the name servers bruce.ns.cloudflare.com, serena.ns.cloudflare.com, joyce.ns.cloudflare.com and cullen.ns.cloudflare.com.

Host names with six IP numbers:

isabel.ns.cloudflare.com points to 2606:4700:50::a29f:2668, 2803:f800:50::6ca2:c268, 2a06:98c1:50::ac40:2268, 108.162.194.104, 162.159.38.104 and 172.64.34.104.

marvin.ns.cloudflare.com points to 2606:4700:58::a29f:2cfb, 2803:f800:50::6ca2:c3fb, 2a06:98c1:50::ac40:23fb, 108.162.195.251, 162.159.44.251 and 172.64.35.251.

Mail Servers

att.org.uk is served by two mail servers eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

att.org.uk shares the same mail server setup as other domains, for instance secure.forgerock.com, thgstudios.com, snowdonandbridge.co.uk, hbs-online.com and tmf-brasil.com.

att.org.uk shares at least some mail servers with other domains, for example finerva.com, co.perenco.com, genuscap.com, agriapet.co.uk and emaar-india.com.

Host names with six IP numbers:

eu-smtp-inbound-1.mimecast.com points to: 91.220.42.201, 91.220.42.211, 91.220.42.241, 195.130.217.201, 195.130.217.211 and 195.130.217.241.

eu-smtp-inbound-2.mimecast.com points to: 91.220.42.201, 91.220.42.211, 91.220.42.241, 195.130.217.201, 195.130.217.211 and 195.130.217.241.

Host names that point to each IP:

91.220.42.201 is pointed to by: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

91.220.42.211 is pointed to by: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

91.220.42.241 is pointed to by: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

195.130.217.201 is pointed to by: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

195.130.217.211 is pointed to by: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

195.130.217.241 is pointed to by: eu-smtp-inbound-1.mimecast.com and eu-smtp-inbound-2.mimecast.com.

att.org.uk - robtex.com

att.org.uk

org.uk

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`att.org.uk`

`org.uk`