`src.ac.uk`

DNSSEC	⚠️ Not signed
A	94.237.57.177^{🇫🇮 UPCLOUD94.237.48.0/20 -UK-LON1-NET}
		PTR	`94-237-57-177.uk-lon1.upcloud.host`
NS	`ns11.ja.net` ⭐
		A	2001:630:1:8::244:0^{🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
			PTR	`ns11.ja.net`
		A	195.195.131.244^{🇬🇧 JANET195.194.0.0/15 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
NS	`ns10.ja.net`
		A	2001:630:0:42::53^{🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
			PTR	`ns10.ja.net`
		A	128.86.8.53^{🇬🇧 JANET128.86.0.0/16 Aggregated Route JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
			PTR	`ns10.ja.net`
NS	`ns12.ja.net`
		A	2001:630:1:129::250^{🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
			PTR	`ns12.ja.net`
		A	194.83.56.250^{🇬🇧 JANET194.80.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
MX	`src-ac-uk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
TXT	`adobe-idp-site-verification=74e425be0f8271315cc44fde3fd442806a46012fd4ef24707...`
TXT	`sophos-domain-verification=fed2f9e536dbf4d9aac742ee88d1a70bd4c602cc7d6a31d704...`
TXT	`google-site-verification: YiFNc-zqZr2asOmo-zyFGvtBTdvxvywf798ZGyFDfng`
TXT	`c3TH0vXOp4vXJjxR3hSUC5BETWfSMFQ1DfWrZLHXz5OSA==`
TXT	`MS=ms80971632`
TXT	`QuoVadis=5c37fa6c-9452-4383-85d8-ca1714297640`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`b1/6hy/Je1NB/kOLXs3cdYagF9Q5Nf0o7Xw1ox1u/c3TH0vXOp4vXJjxR3hSUC5BETWfSMFQ1DfWr...`
TXT	`_jvs0fdmjkjuhi8qgdguycgpad2ak8ci`
TXT	`75053d52-2cc0-4d68-bc97-0e1cf3f529dc.100718`
TXT	`apple-domain-verification=B7pnA1WL1ODXQNqn`
SOA	`ns11.ja.net`hostmaster@ns11.ja.net 2014-09-12 #91

`ac.uk`

	DNSSEC	⚠️ Not signed
	NS	`ns0.ja.net` ⭐
	NS	`auth03.ns.uu.net`
	NS	`dns-3.dfn.de`
	NS	`ns1.surfnet.nl`
	NS	`ns2.ja.net`
	NS	`ns3.ja.net`
	NS	`ns4.ja.net`
	SOA	`ns0.ja.net`operations@ja.net 2026-05-07 #60

rank #823488 globally
rank #35160 in the tld
WOT: SAFE (79/100)

Subdomains

www.src.ac.uk

idp.src.ac.uk

Same first word

src.k12.ok.us

src.com.au

src.im

src.fr

src.wtf

src.fi

src.fm

src.cn

src.net.br

src.builders

src.kiev.ua

src.id

src.com.pl

src.gov.iq

src.co.kr

src.name

src.a.se

src.az

src.in

src.es

src.ru

src.tips

src.hu

src.ie

src.li

src.nu

src.co.jp

src.ge

src.mx

src.co.at

src.lt

src.com.vn

src.show

src.com.pk

src.at

src.org.ua

src.in.ua

src.ca

src.sa

src.com.do

src.org

src.pt

src.com.mk

src.net

src.brussels

src.co

src.ac.uk

src.re

src.com.ru

src.fyi

src.or.jp

src.cx

src.us.com

src.com.sa

src.org.uk

src.no

src.tv

src.us

src.sk

src.myds.me

src.be

src.lv

src.kz

src.info

src.am

src.rs

src.co.nz

src.zip

src.run

src.agency

src.ac.th

src.la

src.mo

src.cz

src.org.zw

src.center

src.cc.il.us

src.nl

src.cl

src.plus

src.is

src.edu

src.company

src.zone

src.si

src.sh

src.events

src.cat

src.by

src.su

src.de

src.se

src.go.ke

src.moe

src.one

src.jp

src.org.sg

src.gov.sc

src.me

src.bz

src.sk.ca

src.com

src.pl

src.vc

src.com.sg

src.jpn.org

src.cnt.br

src.s3.amazonaws.com

src.click

src.pm

src.town

src.io.vn

src.tech

src.jp.net

src.so

src.hamburg

src.cool

src.church

src.com.cn

src.care

src.com.ve

src.ch

src.eu

src.com.tr

src.cm

Similar names

rsc.nl

csr.pl

rsc.li

rsc.no

rsc.com

csr.co.rs

crs.ru

csr.jp

csr.sh

csr.co.th

csr.org.pl

crs.bg

scr.at

rsc.cz

crs.uz

rcs.nu

rcs.ge

scr.my

rsc.co.tz

rsc.io

scr.nl

crs.co.in

rcs.gov.rw

rcs.ro

crs.si

csr.ru

crs.bike

rsc.ph

rsc.fi

rsc.az

crs.ws

rsc.org.tr

csr.co

csr.estate

scr.gov.iq

csr.de

crs

crs.co.za

scr.com.au

csr.me

csr.com.pk

rsc.be

scr.xyz

csr.net.au

scr.me

scr.ch

rsc.org.my

rcs.ch

csr.gov.uk

rcs.co.in

scr.be

crs.com.my

crs.as

rcs.org.my

rcs.nl

crs.support

crs.by

rsc.cx

crs.ie

crs.com.au

scr.com.pl

rcs.net

crs.go.ke

csr.gov.in

csr.com.tr

csr.events

csr.ir

crs.in

scr.no

scr.lt

rsc.im

crs.am

scr.se

rcs.lt

rcs.co.il

crs.gov

crs.edu.hk

scr.pl

rcs.ac.uk

crs.nl

scr.ae

rcs.se

csr.es

crs.wtf

rsc.co.bw

rsc.vic.edu.au

csr.co.uk

rcs.cloud

rcs.k12.in.us

rcs.asia

csr.fm

rsc.com.br

rcs.ac.jp

rcs.gr

rsc.biz

rcs.kiev.ua

scr.org.br

scr.ph

csr.co.id

csr.vn

rsc.gr

csr.net

csr.org

DNS History

7 records (5 active, 2 former)

●NSns10.ja.net2015-08-25 → 2026-05-09 · 2 obs

● 2015-08-25 07:35:44
● 2026-05-09 07:38:36

●NSns11.ja.net2015-08-25 → 2026-05-09 · 2 obs

● 2015-08-25 07:35:44
● 2026-05-09 07:38:36

●NSns12.ja.net2026-03-02 → 2026-05-09 · 3 obs

○ 2019-09-09 20:55:58
● 2026-03-02 08:33:24
● 2026-05-09 07:38:36

○NSns3.ja.net2015-08-25 → 2019-09-09 · 4 obs

● 2015-08-25 07:35:44
● 2019-09-09 20:55:58
○ 2026-03-02 08:33:24
○ 2026-05-09 07:38:36

○MXmail.messaging.microsoft.com2015-08-25 → 2019-09-09 · 4 obs

● 2015-08-25 07:35:44
● 2019-09-09 20:55:58
○ 2026-03-02 08:33:24
○ 2026-05-09 07:38:36

●MXsrc-ac-uk.mail.protection.outlook.com2015-08-25 → 2026-05-09 · 2 obs

● 2015-08-25 07:35:44
● 2026-05-09 07:38:36

●A94.237.57.1772026-03-02 → 2026-05-09 · 2 obs

● 2026-03-02 08:33:24
● 2026-05-09 07:38:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	dns1.nic.uk, dns3.nic.uk, nsc.nic.uk, nsa.nic.uk...	-
ac.uk	ns0.ja.net, ns1.surfnet.nl, ns2.ja.net, ns3.ja.net...	-
src.ac.uk	ns11.ja.net, ns10.ja.net, ns12.ja.net	-

✅ Authoritative Response

Server:194.83.56.250

NS records: ns11.ja.net, ns10.ja.net, ns12.ja.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for src.ac.uk (unsigned zone)

⏱️ Timing

Total: 1300ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.237.57.177`
NS	3	`ns11.ja.net, ns12.ja.net...`
MX	1	`src-ac-uk.mail.protection.outlook.com (p`
TXT	11	`c3TH0vXOp4vXJjxR3hSUC5BETWfSMFQ1DfWrZLHX, apple-domain-verification=B7pnA1WL1ODXQN...`
SOA	1	`ns11.ja.net hostmaster.ns11.ja.net`

Analysis

Hierarchy

src.ac.uk is the parent of www.src.ac.uk and idp.src.ac.uk.

IP Addresses

src.ac.uk resolves to a single IP: 94.237.57.177.

Other host names, for instance, www.src.ac.uk and 94-237-57-177.uk-lon1.upcloud.host share IP numbers with src.ac.uk.

Name Servers

src.ac.uk delegates to three name servers: ns10.ja.net, ns11.ja.net and ns12.ja.net.

src.ac.uk shares some name servers with other domains, for example buckinghamshire.ac.uk, 146.243.219.212.in-addr.arpa, st-lawrence.shropshire.sch.uk, coventrycollege.ac.uk and fordbridge.solihull.sch.uk.

These name servers are commonly used alongside xns1.hillingdon.gov.uk, xns2.hillingdon.gov.uk, xns3.hillingdon.gov.uk and ns3.ja.net.

Host names with two IP numbers:

ns10.ja.net: 2001:630:0:42::53 and 128.86.8.53

ns11.ja.net: 2001:630:1:8::244:0 and 195.195.131.244

ns12.ja.net: 2001:630:1:129::250 and 194.83.56.250

Mail Servers

src.ac.uk is handled by a single mail server, src-ac-uk.mail.protection.outlook.com.

Host src-ac-uk.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::6, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::b, 52.101.68.0, 52.101.68.10, 52.101.73.11 and 52.101.73.19.

src.ac.uk - robtex.com

src.ac.uk

ac.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

`src.ac.uk`

`ac.uk`