`ja.net`

DNSSEC	⚠️ Not signed
A	13.248.198.253^{🇺🇸 Amazon13.248.192.0/20}
		PTR	`a74853cf3e2329da5.awsglobalaccelerator.com`
NS	`ns0.ja.net` ⭐
		A	2001:630:0:8::14^{🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
			PTR	`ns0.ja.net`
		A	2001:630:0:9::14^{🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
			PTR	`ns0.ja.net`
		A	128.86.1.20^{🇬🇧 JANET128.86.0.0/16 Aggregated Route JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
			PTR	`ns0.ja.net`
		A	193.63.94.20^{🇬🇧 JANET193.60.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
NS	`ns1.ja.net`
		A	2001:630:0:44::e2^{🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
		A	194.81.227.226^{🇬🇧 JANET194.80.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
			PTR	`ns1.ja.net`
NS	`ns1.surfnet.nl` ⚠️ Not in parent delegation
		A	2001:610:1:800a:192:87:106:101^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns1.surfnet.nl`
		A	192.87.106.101^{🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV}
			PTR	`ns1.surfnet.nl`
NS	`ns2.ja.net`
		A	2001:630:0:45::11^{🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
			PTR	`ns2.ja.net`
		A	193.63.105.17^{🇬🇧 JANET193.60.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
NS	`ns4.ja.net`
		A	2001:630:0:47::42^{🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
			PTR	`ns4.ja.net`
		A	193.62.157.66^{🇬🇧 JANET193.60.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom}
MX	`ja-net.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.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:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`FE284491-5366-4864-905A-898C1536FD52`
TXT	`0ed1fe018a5f16ad671414493381b1e9731be2a8fd`
TXT	`qgGjGKnZVnsZ002FhX3d4J2qgOJ09+/vjp87MQ3NNn2q1eGsgtLu7FB6xpDJWOIjIPzjCFmm1S+3b...`
TXT	`80D335A0-2641-4B57-8026-4EB4BA9C653D`
TXT	`MS=ms87936225`
TXT	`QuoVadis=078716b1-e307-4c52-97c8-70a87500e813`
TXT	`MS=ms0ed1fe018a6da7ce5daf4d4021b70d7ef61e9aefa4`
TXT	`v=spf1 include:mxrelay.jisc.ac.uk include:spf.mailjet.com include:spf.protect...`
SOA	`ns0.ja.net`operations@ja.net 2026-03-13 #0

`net`

	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=1771291465

rank #190346 globally
rank #5142 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #11,276

Subdomains

manckh-isr1.ja.net

sybil.ja.net

ntp3.ja.net

jvcsbook.ja.net

squid.ja.net

mancwh-ssw2.ja.net

mancwh-ssw1.ja.net

sapper.ja.net

roaming.ja.net

clio.ja.net

harwat-rbr1.ja.net

swinco-ssw1.ja.net

minos.ja.net

manckh-emh1.ja.net

ns11.ja.net

danton.ja.net

temp7.ja.net

lond-cam4.ja.net

manckh-ata1.ja.net

gordons.ja.net

doris.ja.net

manckh-oar1.ja.net

taunsc-oar1.ja.net

nosc3.ja.net

rancid.ja.net

dotty-c.ja.net

ns2.ja.net

ns4.ja.net

aldess-oar1.ja.net

son.ja.net

temp4.ja.net

londhx-sbr1.ja.net

emh3.ja.net

emh.ja.net

covevm-oar1.ja.net

jvcs.ja.net

larry.ja.net

blacbt-rbr1.ja.net

collins.ja.net

readss-oar1.ja.net

moriarty.ja.net

londtp-omr1.ja.net

ntp4.ja.net

leedlu-rbr2.ja.net

moe.ja.net

mercator.ja.net

dev.ja.net

mail-abuse.ja.net

cove-oar1.ja.net

ns0.ja.net

exetue-rbr1.ja.net

londtn-omg1.ja.net

deloitte.ja.net

odie.ja.net

harwat-oar1.ja.net

telf-oar1.ja.net

unclean.ja.net

ns3.ja.net

manc-ban2.ja.net

bathub-rbr1.ja.net

londsh-rbr1.ja.net

altogether.ja.net

curly.ja.net

gimp.ja.net

lg.ja.net

leyton-orient.ja.net

alice.ja.net

calliope.ja.net

belfnl-oar1.ja.net

webfiltering.ja.net

csirt.ja.net

harw-ssr2.ja.net

mavis.ja.net

temp3.ja.net

glasss-ari1.ja.net

ntp1.ja.net

ipv6.ja.net

dolly.ja.net

www.ja.net

lond-isr3.ja.net

pearl.ja.net

lone-groover.ja.net

ntp0-p.ja.net

lan-gw1.ja.net

nosc2.ja.net

bathbc-rbr1.ja.net

londtn-isr1.ja.net

aber-ban2.ja.net

robespierre.ja.net

roaming0.ja.net

scully.ja.net

manc-oar1.ja.net

temp2.ja.net

ils.ja.net

netsight3.ja.net

shovel.ja.net

manckh-ban1.ja.net

ns1.ja.net

temp6.ja.net

monarch.ja.net

Same first word

ja.lv

ja.cat

ja.by

ja.al.gov.br

ja.sk

ja.network

ja.jx.cn

ja.fyi

ja.deals

ja.be

ja.ca

ja.com

ja.archi

ja.or.at

ja.team

ja.cz

ja.lc

ja.ms.kr

ja.do

ja.fit

ja.bz

ja.ru

ja.org.ar

ja.co

ja.md

ja.su

ja.gd

ja.ly

ja.nu

ja.diamonds

ja.com.br

ja.ag

ja.vu

ja.gs

ja.org

ja.ro

ja.org.sg

ja.net

ja.cn

ja.dm

ja.com.tw

ja.wtf

ja.tc

ja.de

ja.solar

ja.hu

ja.fo

ja.ee

ja.business

ja.ws

ja.cl

ja.gov.cn

ja.plus

ja.vc

ja.tv

ja.se

ja.am

ja.kz

ja.pl

ja.cc

ja.spb.ru

ja.lt

ja.nl

ja.com.sg

ja.jewelry

ja.edu.sg

ja.ae

ja.co.uk

ja.pe

ja.com.au

ja.hn

ja.com.ua

ja.is

ja.edu.pl

ja.biz

ja.com.cn

ja.info.pl

ja.dk

ja.no

ja.edu.kg

Similar names

aj.tel

aj.coach

aj.vg

aj.ru

aj.co.kr

aj.co.id

aj.cz

aj.dnsalias.net

aj.sa

aj.uni5.net

aj.parts

aj.com.my

aj.biz

aj.net.pl

aj.engineering

aj.be

aj.net.ua

aj.money

aj.de

aj.com

aj.cx

aj.net.cn

aj.co

aj.ax

aj.cq.cn

aj.is

aj.gob.bo

aj.tc

aj.cn

aj.media

aj.org

aj.lc

aj.fyi

aj.sh.cn

aj.plus

aj.cm

aj.gs

aj.pl

aj.org.cn

aj.net

aj.al

aj.ma

aj.audio

aj.lv

aj.tv

aj.wtf

aj.nl

aj.cl

aj.com.ua

aj.com.py

aj.com.cn

aj.com.vn

aj.ac.ir

aj.sk

aj.hu

aj.no

aj.amsterdam

aj.se

aj.ee

aj.lt

aj.com.jo

aj.am

aj.ca

aj.sg

aj.kz

aj.dk

aj.partners

aj.business

aj.by

DNS History

11 records (7 active, 4 former)

●NSns0.ja.net2015-09-01 → 2026-03-13 · 3 obs

○ 2008-03-03 20:39:48
● 2015-09-01 19:42:20
● 2026-03-13 19:14:46

●NSns1.ja.net2015-09-01 → 2026-03-13 · 3 obs

○ 2008-03-03 20:39:48
● 2015-09-01 19:42:20
● 2026-03-13 19:14:46

●NSns1.surfnet.nl2015-09-01 → 2026-03-13 · 3 obs

○ 2008-03-03 20:39:48
● 2015-09-01 19:42:20
● 2026-03-13 19:14:46

●NSns2.ja.net2015-09-01 → 2026-03-13 · 3 obs

○ 2008-03-03 20:39:48
● 2015-09-01 19:42:20
● 2026-03-13 19:14:46

●NSns4.ja.net2015-09-01 → 2026-03-13 · 3 obs

○ 2008-03-03 20:39:48
● 2015-09-01 19:42:20
● 2026-03-13 19:14:46

○MXemail.ja.net2015-09-01 → 2021-11-12 · 5 obs

○ 2008-03-03 20:39:48
● 2015-09-01 19:42:20
● 2021-11-12 10:29:30
○ 2026-02-14 16:50:36
○ 2026-03-13 19:14:46

○MXemail2.ja.net2016-05-16 → 2021-11-12 · 5 obs

○ 2016-05-03 20:00:30
● 2016-05-16 00:42:34
● 2021-11-12 10:29:30
○ 2026-02-14 16:50:36
○ 2026-03-13 19:14:46

●MXja-net.mail.protection.outlook.com2026-02-14 → 2026-03-13 · 3 obs

○ 2021-11-12 10:29:30
● 2026-02-14 16:50:36
● 2026-03-13 19:14:46

○MXkryten.ja.net2015-09-01 → 2016-05-03 · 5 obs

○ 2008-03-03 20:39:48
● 2015-09-01 19:42:20
● 2016-05-03 20:00:30
○ 2016-05-16 00:42:34
○ 2026-03-13 19:14:46

○MXsun.mhs-relay.ac.uk2015-09-01 → 2016-05-03 · 5 obs

○ 2008-03-03 20:39:48
● 2015-09-01 19:42:20
● 2016-05-03 20:00:30
○ 2016-05-16 00:42:34
○ 2026-03-13 19:14:46

●A13.248.198.2532020-12-25 → 2026-03-13 · 2 obs

● 2020-12-25 18:39:02
● 2026-03-13 19:14:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	g.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
ja.net	ns0.ja.net, ns1.surfnet.nl, ns1.ja.net, ns2.ja.net...	10 records

✅ Authoritative Response

Server: 193.63.105.17

NS records: ns0.ja.net, ns1.surfnet.nl, ns1.ja.net, ns2.ja.net, ns4.ja.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ja.net (unsigned zone)

⏱️ Timing

Total: 772ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.248.198.253`
NS	5	`ns2.ja.net, ns4.ja.net...`
MX	1	`ja-net.mail.protection.outlook.com (pri:`
TXT	8	`80D335A0-2641-4B57-8026-4EB4BA9C653D, MS=ms0ed1fe018a6da7ce5daf4d4021b70d7ef61...`
SOA	1	`ns0.ja.net operations.ja.net`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (ns0.ja.net, ns0.ja.net, ns0.ja.net...)

Analysis

Hierarchy

ja.net is the parent of manckh-isr1.ja.net, sybil.ja.net, ntp3.ja.net, jvcsbook.ja.net, squid.ja.net and hundreds of other host names.

IP Addresses

ja.net points to a single IP number: 13.248.198.253.

Other host names, for instance a74853cf3e2329da5.awsglobalaccelerator.com, share IP numbers with ja.net.

Name Servers

ja.net is delegated to five name servers: ns0.ja.net, ns1.ja.net, ns2.ja.net, ns4.ja.net and ns1.surfnet.nl.

ja.net at least partially shares name servers with other domains, for instance scri.ac.uk, srss.brad.ac.uk, 221.53.143.in-addr.arpa, dbng.nl and boekdelers.nl.

These name servers are often used together with the name servers ns3.ja.net, ns2.surfnet.nl, ns1.zurich.surf.net, ns3.surfnet.nl, dns0.brad.ac.uk, dns1.brad.ac.uk, blox1.cen.brad.ac.uk, ns1.bolton365.net, ns2.bolton365.net and ns0.londonmet.ac.uk.

Host names with four IP numbers: The host name ns0.ja.net points to 2001:630:0:8::14, 2001:630:0:9::14, 128.86.1.20 and 193.63.94.20.

Host names with two IP numbers: The host name ns1.ja.net points to 2001:630:0:44::e2 and 194.81.227.226. The host name ns2.ja.net points to 2001:630:0:45::11 and 193.63.105.17. The host name ns4.ja.net points to 2001:630:0:47::42 and 193.62.157.66. The host name ns1.surfnet.nl points to 2001:610:1:800a:192:87:106:101 and 192.87.106.101.

Mail Servers

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

Host name ja-net.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::d, 2a01:111:f403:ca04::e, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::3, 52.101.68.16, 52.101.68.18, 52.101.68.27 and 52.101.73.26.

ja.net - robtex.com

ja.net

net

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

`ja.net`

`net`