rrbc.org.uk - robtex.com

rrbc.org.uk

DNSSEC⚠️ Not signed
A3.8.254.236🇬🇧 Amazon3.8.0.0/14 EC2 LHR prefix
PTRec2-3-8-254-236.eu-west-2.compute.amazonaws.com
A18.132.66.154🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix
A18.133.10.157🇬🇧 Amazon18.132.0.0/14 EC2 LHR prefix
NSns-253.awsdns-31.com ⭐
A2600:9000:5300:fd00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-253.awsdns-31.com
A205.251.192.253🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-253.awsdns-31.com
NSns-1184.awsdns-20.org
A2600:9000:5304:a000::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1184.awsdns-20.org
A205.251.196.160🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1184.awsdns-20.org
NSns-1745.awsdns-26.co.uk
A2600:9000:5306:d100::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1745.awsdns-26.co.uk
A205.251.198.209🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1745.awsdns-26.co.uk
NSns-863.awsdns-43.net
A2600:9000:5303:5f00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-863.awsdns-43.net
A205.251.195.95🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-863.awsdns-43.net
MXrrbc-org-uk.mail.protection.outlook.com ⭐
A2a01:111:f403:ca0b::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo2p265cu02300.inbound.protection.outlook.com
A2a01:111:f403:ca0b::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo3p265cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca0b::2🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo0p265cu00202.inbound.protection.outlook.com
A2a01:111:f403:ca1a::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cwxp265cu00500.inbound.protection.outlook.com
A52.101.89.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo2p265cu02300.inbound.protection.outlook.com
A52.101.89.1🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo0p265cu00201.inbound.protection.outlook.com
A52.101.99.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00600.inbound.protection.outlook.com
A52.101.99.2🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00502.inbound.protection.outlook.com
TXTMS=ms15658452
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns-253.awsdns-31.comawsdns-hostmaster@amazon.com serial=1

org.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=1776628802
rank #779332 globally
rank #32073 in the tld
WOT: SAFE (71/100)

Previously MX for

rrbc.org.uk

Same first word

rrbc.com
rrbc.de
rrbc.net
rrbc.ca
rrbc.org.uk
rrbc.church

Similar names

rcrb.ru
cbrr.xyz
rrcb.gov.in
rcrb.org
rrcb.net
cbrr.com.br
rbrc.jp
rcrb.de
crrb.it
rbcr.net
cbrr.ru
brrc.de
brcr.me
bcrr.us
crbr.com
crbr.org
brcr.co
brrc.org
crbr.net
brrc.com
cbrr.org
brrc.ca
brrc.us
rcrb.com
brcr.it
crrb.com
rbcr.co.uk
brrc.com.cn
crbr.co.uk
brcr.pl
rbcr.org
rbrc.ru
crrb.com.cn
crbr.cn
bcrr.net
rbrc.us
brcr.de
rcrb.net
brrc.be
cbrr.com
rrcb.org
brrc.net
rbcr.ru
bcrr.ch
rrcb.ru
rbrc.com
rbrc.org
rcrb.fr
crbr.us
rrcb.com
crbr.ru
rbrc.cn
brcr.net
rrcb.be
rbrc.ca
rbrc.net
brrc.ru

DNS History

17 records (8 active, 9 former)

20162017201820192020202120222023202420252026NSns-1184.awsdns-20.orgns-1745.awsdns-26.co.ukns-253.awsdns-31.comns-863.awsdns-43.netns.mainnameserver.comns1.livedns.co.ukns2.livedns.co.ukns2.mainnameserver.comns3.livedns.co.ukMXrrbc-org-uk.mail.protection.outlook.commail.rrbc.org.ukrrbc.org.ukA18.132.66.15418.133.10.1573.8.254.23679.170.44.21189.151.98.210
●NSns-1184.awsdns-20.org2026-04-09 → 2026-04-19 · 3 obs
○ 2018-08-01 23:01:12
● 2026-04-09 02:50:10
● 2026-04-19 20:13:48
●NSns-1745.awsdns-26.co.uk2026-04-09 → 2026-04-19 · 3 obs
○ 2018-08-01 23:01:12
● 2026-04-09 02:50:10
● 2026-04-19 20:13:48
●NSns-253.awsdns-31.com2026-04-09 → 2026-04-19 · 3 obs
○ 2018-08-01 23:01:12
● 2026-04-09 02:50:10
● 2026-04-19 20:13:48
●NSns-863.awsdns-43.net2026-04-09 → 2026-04-19 · 3 obs
○ 2018-08-01 23:01:12
● 2026-04-09 02:50:10
● 2026-04-19 20:13:48
○NSns.mainnameserver.com2015-04-24 → 2016-04-21 · 4 obs
● 2015-04-24 08:56:56
● 2016-04-21 11:45:38
○ 2017-02-05 14:06:30
○ 2026-04-19 20:13:48
○NSns1.livedns.co.uk2017-02-05 → 2018-08-01 · 5 obs
○ 2016-04-21 11:45:38
● 2017-02-05 14:06:30
● 2018-08-01 23:01:12
○ 2026-04-09 02:50:10
○ 2026-04-19 20:13:48
○NSns2.livedns.co.uk2017-02-05 → 2018-08-01 · 5 obs
○ 2016-04-21 11:45:38
● 2017-02-05 14:06:30
● 2018-08-01 23:01:12
○ 2026-04-09 02:50:10
○ 2026-04-19 20:13:48
○NSns2.mainnameserver.com2015-04-24 → 2016-04-21 · 4 obs
● 2015-04-24 08:56:56
● 2016-04-21 11:45:38
○ 2017-02-05 14:06:30
○ 2026-04-19 20:13:48
○NSns3.livedns.co.uk2017-02-05 → 2018-08-01 · 5 obs
○ 2016-04-21 11:45:38
● 2017-02-05 14:06:30
● 2018-08-01 23:01:12
○ 2026-04-09 02:50:10
○ 2026-04-19 20:13:48
○MXmail.rrbc.org.uk2015-04-24 → 2016-04-21 · 4 obs
● 2015-04-24 08:56:56
● 2016-04-21 11:45:38
○ 2017-02-05 14:06:30
○ 2026-04-19 20:13:48
●MXrrbc-org-uk.mail.protection.outlook.com2026-04-09 → 2026-04-19 · 3 obs
○ 2018-08-01 23:01:12
● 2026-04-09 02:50:10
● 2026-04-19 20:13:48
○MXrrbc.org.uk2017-02-05 → 2018-08-01 · 5 obs
○ 2016-04-21 11:45:38
● 2017-02-05 14:06:30
● 2018-08-01 23:01:12
○ 2026-04-09 02:50:10
○ 2026-04-19 20:13:48
●A18.132.66.1542026-04-09 → 2026-04-19 · 3 obs
○ 2018-08-01 23:01:12
● 2026-04-09 02:50:10
● 2026-04-19 20:13:48
●A18.133.10.1572026-04-09 → 2026-04-19 · 3 obs
○ 2018-08-01 23:01:12
● 2026-04-09 02:50:10
● 2026-04-19 20:13:48
●A3.8.254.2362026-04-09 → 2026-04-19 · 3 obs
○ 2018-08-01 23:01:12
● 2026-04-09 02:50:10
● 2026-04-19 20:13:48
○A79.170.44.2112015-04-24 → 2016-04-21 · 4 obs
● 2015-04-24 08:56:56
● 2016-04-21 11:45:38
○ 2017-02-05 14:06:30
○ 2026-04-19 20:13:48
○A89.151.98.2102017-02-05 → 2018-08-01 · 5 obs
○ 2016-04-21 11:45:38
● 2017-02-05 14:06:30
● 2018-08-01 23:01:12
○ 2026-04-09 02:50:10
○ 2026-04-19 20:13:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...-
rrbc.org.ukns-253.awsdns-31.com, ns-1184.awsdns-20.org, ns-863.awsdns-43.net, ns-1745.awsdns-26.co.uk-

✅ Authoritative Response

Server:205.251.198.209

NS records: ns-253.awsdns-31.com, ns-1184.awsdns-20.org, ns-863.awsdns-43.net, ns-1745.awsdns-26.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 733ms | Queries: -

📄 Records

TypeCountSample Data
A318.133.10.157, 18.132.66.154...
NS4ns-1184.awsdns-20.org, ns-1745.awsdns-26.co.uk...
MX1rrbc-org-uk.mail.protection.outlook.com
TXT2MS=ms15658452, v=spf1 include:spf.protection.outlook.co
SOA1ns-253.awsdns-31.com awsdns-hostmaster.a

Analysis

IP Addresses

rrbc.org.uk points to three IPs: 3.8.254.236, 18.132.66.154 and 18.133.10.157.

other host names including ec2-3-8-254-236.eu-west-2.compute.amazonaws.com, stjohnsfareham.org.uk, hanwood.shropshire.sch.uk, staidan.org.uk and denholmechurch.org.uk share IP numbers with rrbc.org.uk.

Name Servers

rrbc.org.uk is delegated to four name servers: ns-253.awsdns-31.com, ns-863.awsdns-43.net, ns-1184.awsdns-20.org and ns-1745.awsdns-26.co.uk.

rrbc.org.uk at least partially shares name servers with other domains, for instance ecs-a-25.us-east-1.amazonaws.com, allnz.fr, 6wunderkinder.com, ocsp.certificadodigital.com.br and stoptheclock.com.au.

These name servers are commonly used alongside ns-289.awsdns-36.com and ns-1021.awsdns-63.net.

Host names with two IP numbers:

ns-253.awsdns-31.com points to 2600:9000:5300:fd00::1 and 205.251.192.253; ns-863.awsdns-43.net points to 2600:9000:5303:5f00::1 and 205.251.195.95; ns-1184.awsdns-20.org points to 2600:9000:5304:a000::1 and 205.251.196.160; ns-1745.awsdns-26.co.uk points to 2600:9000:5306:d100::1 and 205.251.198.209.

Mail Servers

rrbc.org.uk is handled by a single mail server, rrbc-org-uk.mail.protection.outlook.com.

Host rrbc-org-uk.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 52.101.89.0, 52.101.89.1, 52.101.99.0 and 52.101.99.2.