caltech.co.uk - robtex.com

caltech.co.uk

DNSSEC⚠️ Not signed
A51.142.10.189🇬🇧 Microsoft51.140.0.0/14
NSnash.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bd1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnash.ns.cloudflare.com
A2803:f800:50::6ca2:c1d1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnash.ns.cloudflare.com
A2a06:98c1:50::ac40:21d1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnash.ns.cloudflare.com
A108.162.193.209🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.33.209🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.59.209🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSpam.ns.cloudflare.com
A2606:4700:50::adf5:3a8a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A2803:f800:50::6ca2:c08a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpam.ns.cloudflare.com
A2a06:98c1:50::ac40:208a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpam.ns.cloudflare.com
A108.162.192.138🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A172.64.32.138🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A173.245.58.138🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
MXsynergytechnology-co-uk.inbound.emailservice.io ⭐
A3.223.82.138🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-223-82-138.compute-1.amazonaws.com
A18.204.58.103🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix
PTRec2-18-204-58-103.compute-1.amazonaws.com
A44.216.32.179🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-216-32-179.compute-1.amazonaws.com
MXsynergytechnology-co-uk.inbound.emailservice.cc(20)
A3.223.82.138🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-223-82-138.compute-1.amazonaws.com
A18.204.58.103🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix
PTRec2-18-204-58-103.compute-1.amazonaws.com
A44.216.32.179🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-216-32-179.compute-1.amazonaws.com
MXsynergytechnology-co-uk.inbound.emailservice.co(30)
A3.223.82.138🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-223-82-138.compute-1.amazonaws.com
A18.204.58.103🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix
PTRec2-18-204-58-103.compute-1.amazonaws.com
A44.216.32.179🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-216-32-179.compute-1.amazonaws.com
TXTMS=ms26149950
TXTd365mktkey=4x6bx3co4k1j50wdwpa3qy7kb
TXTgoogle-site-verification=m0SKFZOCpb4zuHgb2SCSTbH2QVuUuY-CsWPelvf3Ouw
TXTv=spf1 include:spf.protection.outlook.com include:spf.us.emailservice.io -all
SOAnash.ns.cloudflare.comdns@cloudflare.com serial=2410507132

co.uk

DNSSEC⚠️ Not signed
NSdns1.nic.uk ⭐ ⚠️ Not in parent delegation
NSdns2.nic.uk ⚠️ Not in parent delegation
NSdns3.nic.uk ⚠️ Not in parent delegation
NSdns4.nic.uk ⚠️ Not in parent delegation
NSnsa.nic.uk ⚠️ Not in parent delegation
NSnsb.nic.uk ⚠️ Not in parent delegation
NSnsc.nic.uk ⚠️ Not in parent delegation
NSnsd.nic.uk ⚠️ Not in parent delegation
SOAdns1.nic.ukhostmaster@nominet.org.uk serial=1785365274
WOT: SAFE (45/100)
rank #119196 globally
rank #3470 in the tld
WOT: SAFE (74/100)

Previously MX for

caltech.co.uk

Same first word

caltech.ie
caltech.co.th
caltech.bank
caltech.co
caltech.be
caltech.pl
caltech.edu
caltech.fr
caltech.email
caltech.co.uk
caltech.com.my
caltech.online
caltech.es
caltech.ru
caltech.sa.com
caltech.college
caltech.com
caltech.io
caltech.info
caltech.ai
caltech.mobi
caltech.dk
caltech.ca
caltech.de
caltech.nl
caltech.africa
caltech.us
caltech.net
caltech.org
caltech.co.nz
caltech.com.br
caltech.biz
caltech.cn
caltech.eu
caltech.eng.br
caltech.com.tw
caltech.hu
caltech.se

Similar names

lactech.com
lecchat.com
theaccl.com
lecatch.com
acltech.co.in
alctech.com
lcatech.com
cltahec.org
clatech.com
clatech.ch
acltech.ca
thelcca.org
acltech.com
clechat.com
chaletc.com
chaltec.de
aceclht.com
telchac.com
thecalc.org
thelacc.com
lactech.ca
techlca.com
catchle.com
clatech.co.th
clachet.com
thelacc.org
lcatech.net
cltahec.com
chaltec.com

DNS History

17 records (6 active, 11 former)

2008201020122014201620182020202220242026NSnash.ns.cloudflare.compam.ns.cloudflare.comns.hosteurope.comns1.keith(0x636f636b)erham.comns2.hosteurope.comns2.keith(0x636f636b)erham.comMXsynergytechnology-co-uk.inbound.emailservice.ccsynergytechnology-co-uk.inbound.emailservice.cosynergytechnology-co-uk.inbound.emailservice.ioadsl.caltechit.comcaltech-co-uk.mail.eo.outlook.comcaltech.co.ukA51.142.10.189173.254.28.109194.106.222.199194.106.222.25475.126.28.131
●NSnash.ns.cloudflare.com2026-05-29 → 2026-07-29 · 3 obs
○ 2017-06-05 17:07:00
● 2026-05-29 09:31:04
● 2026-07-29 22:56:24
○NSns.hosteurope.com2015-08-21 → 2017-06-05 · 5 obs
○ 2007-08-22 15:59:10
● 2015-08-21 11:05:28
● 2017-06-05 17:07:00
○ 2026-05-29 09:31:04
○ 2026-07-29 22:56:24
○NSns1.keith(0x636f636b)erham.com2007-08-22 → 2007-08-22 · 3 obs
● 2007-08-22 15:59:10
○ 2015-08-21 11:05:28
○ 2026-07-29 22:56:24
○NSns2.hosteurope.com2015-08-21 → 2017-06-05 · 5 obs
○ 2007-08-22 15:59:10
● 2015-08-21 11:05:28
● 2017-06-05 17:07:00
○ 2026-05-29 09:31:04
○ 2026-07-29 22:56:24
○NSns2.keith(0x636f636b)erham.com2007-08-22 → 2007-08-22 · 3 obs
● 2007-08-22 15:59:10
○ 2015-08-21 11:05:28
○ 2026-07-29 22:56:24
●NSpam.ns.cloudflare.com2026-05-29 → 2026-07-29 · 3 obs
○ 2017-06-05 17:07:00
● 2026-05-29 09:31:04
● 2026-07-29 22:56:24
○MXadsl.caltechit.com2007-08-22 → 2007-08-22 · 3 obs
● 2007-08-22 15:59:10
○ 2015-08-21 11:05:28
○ 2026-07-29 22:56:24
○MXcaltech-co-uk.mail.eo.outlook.com2015-08-21 → 2017-06-05 · 5 obs
○ 2007-08-22 15:59:10
● 2015-08-21 11:05:28
● 2017-06-05 17:07:00
○ 2026-05-29 09:31:04
○ 2026-07-29 22:56:24
○MXcaltech.co.uk2007-08-22 → 2007-08-22 · 3 obs
● 2007-08-22 15:59:10
○ 2015-08-21 11:05:28
○ 2026-07-29 22:56:24
●MXsynergytechnology-co-uk.inbound.emailservice.cc2026-05-29 → 2026-07-29 · 3 obs
○ 2017-06-05 17:07:00
● 2026-05-29 09:31:04
● 2026-07-29 22:56:24
●MXsynergytechnology-co-uk.inbound.emailservice.co2026-05-29 → 2026-07-29 · 3 obs
○ 2017-06-05 17:07:00
● 2026-05-29 09:31:04
● 2026-07-29 22:56:24
●MXsynergytechnology-co-uk.inbound.emailservice.io2026-05-29 → 2026-07-29 · 3 obs
○ 2017-06-05 17:07:00
● 2026-05-29 09:31:04
● 2026-07-29 22:56:24
○A173.254.28.1092015-08-21 → 2015-11-22 · 5 obs
○ 2007-08-22 15:59:10
● 2015-08-21 11:05:28
● 2015-11-22 14:35:06
○ 2016-03-23 19:10:04
○ 2026-07-29 22:56:24
○A194.106.222.1992016-03-23 → 2016-03-23 · 4 obs
○ 2015-11-22 14:35:06
● 2016-03-23 19:10:04
○ 2016-09-17 11:40:58
○ 2026-07-29 22:56:24
○A194.106.222.2542016-09-17 → 2017-06-05 · 5 obs
○ 2016-03-23 19:10:04
● 2016-09-17 11:40:58
● 2017-06-05 17:07:00
○ 2026-05-29 09:31:04
○ 2026-07-29 22:56:24
●A51.142.10.1892026-05-29 → 2026-07-29 · 3 obs
○ 2017-06-05 17:07:00
● 2026-05-29 09:31:04
● 2026-07-29 22:56:24
○A75.126.28.1312007-08-22 → 2007-08-22 · 3 obs
● 2007-08-22 15:59:10
○ 2015-08-21 11:05:28
○ 2026-07-29 22:56:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...-
caltech.co.ukpam.ns.cloudflare.com, nash.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.138

NS records: pam.ns.cloudflare.com, nash.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for caltech.co.uk (unsigned zone)

⏱️ Timing

Total: 378ms | Queries: -

📄 Records

TypeCountSample Data
A151.142.10.189
NS2nash.ns.cloudflare.com, pam.ns.cloudflare.com
MX3synergytechnology-co-uk.inbound.emailser, synergytechnology-co-uk.inbound.emailser...
TXT4MS=ms26149950, d365mktkey=4x6bx3co4k1j50wdwpa3qy7kb...
SOA1nash.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

caltech.co.uk resolves to just one IP address, 51.142.10.189.

synergytechnology.co.uk is an example of another host name that shares IP numbers with caltech.co.uk.

Name Servers

caltech.co.uk has two authoritative name servers — nash.ns.cloudflare.com and pam.ns.cloudflare.com.

caltech.co.uk shares its NS records with other domains, for example theoneida.com, dimtsas.gr, pixelake.com and two others.

At least some of caltech.co.uk's name servers are shared with other domains, for example kyc.me, 24x7supportservice.in, sealmedya.com and two more.

These name servers are often deployed together with the name servers meiling.ns.cloudflare.com, vasilii.ns.cloudflare.com, donna.ns.cloudflare.com and greg.ns.cloudflare.com.

DNS names with 6 IP addresses:

nash.ns.cloudflare.com points to 108.162.193.209, 172.64.33.209, 173.245.59.209 and 3 other IP addresses.

pam.ns.cloudflare.com points to 108.162.192.138, 172.64.32.138, 173.245.58.138 and 3 other IP addresses.

Mail Servers

The MX records for caltech.co.uk list three mail servers: synergytechnology-co-uk.inbound.emailservice.cc, synergytechnology-co-uk.inbound.emailservice.co and synergytechnology-co-uk.inbound.emailservice.io.

caltech.co.uk overlaps on mail servers with certain other domains, synergytechnology.co.uk among them.

The hostnames synergytechnology-co-uk.inbound.emailservice.cc, synergytechnology-co-uk.inbound.emailservice.co and synergytechnology-co-uk.inbound.emailservice.io all point to the same three IP numbers — 3.223.82.138, 18.204.58.103 and 44.216.32.179.

Each of synergytechnology-co-uk.inbound.emailservice.cc, synergytechnology-co-uk.inbound.emailservice.co and synergytechnology-co-uk.inbound.emailservice.io resolves to 3.223.82.138.

Each of synergytechnology-co-uk.inbound.emailservice.cc, synergytechnology-co-uk.inbound.emailservice.co and synergytechnology-co-uk.inbound.emailservice.io resolves to 18.204.58.103.

Each of synergytechnology-co-uk.inbound.emailservice.cc, synergytechnology-co-uk.inbound.emailservice.co and synergytechnology-co-uk.inbound.emailservice.io resolves to 44.216.32.179.