`rwcmd.ac.uk`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
		PTR	`ip-76-76-21-21.defastlink.net`
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	`vm2.vs1.ans.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	`rwcmd-ac-uk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.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:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
TXT	`sophos-domain-verification=e1443e0b9fc5030c69cd23eb957aa4491f7fcf128da481fc44...`
TXT	`apple-domain-verification=U9zoCXjTmnLQj3UK`
TXT	`MS=ms35464295`
TXT	`ZOOM_verify_FwSvCEnwRqiu2IEExwjqqw`
TXT	`A0kRIoXDgMo2Ff4oSX3KgFD/HonKDu8sZDftSDL9BOMvdJkDeoK7uayYwSgPWZNcCsHxzWf2CxP/m...`
TXT	`v=spf1 mx ip4:194.82.127.10 ip4:95.172.90.160/27 ip4:31.186.254.128/28 ip4:5....`
TXT	`QuoVadis=355a3634-80f0-450c-9168-c0a7974c1518`
TXT	`04A7C720-66FE-4858-B441-D71D84E53D68`
TXT	`adobe-idp-site-verification=02769bd726e2ae6600bb062d759eb6630a6fe9f312736adc2...`
TXT	`sophos-domain-verification=7b35b01bb7e9a792ec480d111ddee87c1616276f`
SOA	`ns11.ja.net`hostmaster@ns11.ja.net 2018-09-30 #20

`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 2026-02-25 #60

rank #205946 globally
rank #13149 in the tld
WOT: SAFE (61/100)
📈 Tranco rank: #687,281
WOT: SAFE (79/100)

Up

ezproxy.rwcmd.ac.uk

hub.rwcmd.ac.uk

blog.rwcmd.ac.uk

exchange-cas1.rwcmd.ac.uk

Same first word

rwcmd.ac.uk

Similar names

wmrcd.org

mcrwd.com

mrcwd.org

wdrcm.de

cdmwr.com

rcwmd.com

crmdw.com

wmdcr.net

wmdcr.com

mrcdw.com

dwcrm.com

DNS History

8 records (5 active, 3 former)

●NSns10.ja.net2015-08-14 → 2026-02-25 · 2 obs

● 2015-08-14 10:30:22
● 2026-02-25 19:03:34

●NSns11.ja.net2015-08-14 → 2026-02-25 · 2 obs

● 2015-08-14 10:30:22
● 2026-02-25 19:03:34

●NSns12.ja.net2019-07-06 → 2026-02-25 · 3 obs

○ 2017-08-07 09:19:20
● 2019-07-06 09:07:32
● 2026-02-25 19:03:34

○NSns3.ja.net2015-08-14 → 2017-08-07 · 4 obs

● 2015-08-14 10:30:22
● 2017-08-07 09:19:20
○ 2019-07-06 09:07:32
○ 2026-02-25 19:03:34

○MXaries.rwcmd.ac.uk2015-08-14 → 2019-10-17 · 4 obs

● 2015-08-14 10:30:22
● 2019-10-17 12:11:04
○ 2026-02-15 16:52:58
○ 2026-02-25 19:03:34

●MXrwcmd-ac-uk.mail.protection.outlook.com2026-02-15 → 2026-02-25 · 3 obs

○ 2019-10-17 12:11:04
● 2026-02-15 16:52:58
● 2026-02-25 19:03:34

○A194.82.127.22015-08-14 → 2019-10-17 · 4 obs

● 2015-08-14 10:30:22
● 2019-10-17 12:11:04
○ 2026-02-15 16:52:58
○ 2026-02-25 19:03:34

●A76.76.21.212026-02-15 → 2026-02-25 · 3 obs

○ 2019-10-17 12:11:04
● 2026-02-15 16:52:58
● 2026-02-25 19:03:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
rwcmd.ac.uk	ns11.ja.net, ns12.ja.net, ns10.ja.net	-

✅ Authoritative Response

Server: 195.195.131.244

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 292ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	3	`ns12.ja.net, ns11.ja.net...`
MX	1	`rwcmd-ac-uk.mail.protection.outlook.com`
TXT	10	`A0kRIoXDgMo2Ff4oSX3KgFD/HonKDu8sZDftSDL9, 04A7C720-66FE-4858-B441-D71D84E53D68...`
SOA	1	`ns11.ja.net hostmaster.ns11.ja.net`

AI analysis

rwcmd.ac.uk is a parent of ezproxy.rwcmd.ac.uk, hub.rwcmd.ac.uk, blog.rwcmd.ac.uk and exchange-cas1.rwcmd.ac.uk.

rwcmd.ac.uk points to a single IP: 76.76.21.21.

Other host names, for instance plantsucculents.com, nplusone.co, 146.se, tentativeruling.com and flexicon.uk.com share IP numbers with rwcmd.ac.uk.

rwcmd.ac.uk is delegated to three name servers: ns10.ja.net, ns11.ja.net and ns12.ja.net.

rwcmd.ac.uk partially shares name servers with other domains; examples include allsaints-jun.derbyshire.sch.uk, livhope.ac.uk, solihullcommunityhousing.org.uk, wyton.cambs.sch.uk and st-paulscofe-pri.e-sussex.sch.uk.

Host names with two IP numbers:

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

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

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

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

Hostname rwcmd-ac-uk.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::20, 52.101.68.0, 52.101.68.39, 52.101.73.2 and 52.101.73.28.

rwcmd.ac.uk - robtex.com

rwcmd.ac.uk

ac.uk

Up