rfrc.org.uk - robtex.com

rfrc.org.uk

DNSSEC⚠️ Not signed
A2a07:7800::170🇬🇧 TWENTYI2a07:7800::/48
A185.151.30.170🇬🇧 TWENTYI185.151.30.0/24
NSns1.stackdns.com ⭐
A35.197.225.59🇬🇧 Google35.197.224.0/20
PTR59.225.197.35.bc.googleusercontent.com
NSns2.stackdns.com
A146.148.28.88🇧🇪 Google146.148.16.0/20
PTR88.28.148.146.bc.googleusercontent.com
NSns3.stackdns.com
A35.198.79.191🇩🇪 Google35.198.64.0/20
PTR191.79.198.35.bc.googleusercontent.com
NSns4.stackdns.com
A104.196.137.209🇺🇸 Google104.196.128.0/20
PTR209.137.196.104.bc.googleusercontent.com
MXmx.stackmail.com ⭐
A185.151.28.67🇬🇧 TWENTYI185.151.28.0/24
PTRmx.stackmail.com
TXTv=spf1 include:spf.stackmail.com a mx -all
SOAns1.stackdns.comhostmaster@stackdns.com serial=1631454170

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=1774422816
rank #877487 globally
rank #32687 in the tld
WOT: SAFE (71/100)

Subdomains

mailserver.rfrc.org.uk

Same first word

rfrc.org.uk
rfrc.com
rfrc.cn
rfrc.org.au
rfrc.net

Similar names

frrc.com.cn
rcrf.com
frcr.de
frcr.guru
crfr.ca
rrfc.org.au
frrc.co.uk
crfr.us
rcfr.com
frcr.co.uk
crfr.ac.uk
cfrr.org
rrfc.com
rfcr.com
fcrr.net
frcr.com
rcrf.de
rcfr.net
rcrf.org
frcr.cn
cfrr.de
crfr.com
crrf.org
frrc.us
fcrr.ro
rcfr.com.cn
rfcr.ru
rrcf.org
crrf.ca
frrc.de
rrfc.de
rrcf.com
crfr.org
crfr.kr
crfr.co
rcrf.net
rrcf.cn
rcfr.ru
rrcf.net
frcr.eu
crrf.org.uk
frrc.com
rfcr.cn
rcrf.fr
fcrr.com
rrfc.org
crfr.net
fcrr.org
cfrr.com
rrcf.ru
frcr.net
crrf.ru
rrfc.net
crrf.cn
crfr.de

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1.stackdns.comns2.stackdns.comns3.stackdns.comns4.stackdns.comns1.livedns.co.ukns2.livedns.co.ukns3.livedns.co.ukMXmx.stackmail.commailserver.rfrc.org.ukA185.151.30.1702a07:7800::17088.208.252.180
○NSns1.livedns.co.uk2015-07-16 → 2019-02-25 · 4 obs
● 2015-07-16 03:28:04
● 2019-02-25 19:40:38
○ 2026-03-14 07:26:24
○ 2026-03-25 07:23:56
●NSns1.stackdns.com2026-03-14 → 2026-03-25 · 3 obs
○ 2019-02-25 19:40:38
● 2026-03-14 07:26:24
● 2026-03-25 07:23:56
○NSns2.livedns.co.uk2015-07-16 → 2019-02-25 · 4 obs
● 2015-07-16 03:28:04
● 2019-02-25 19:40:38
○ 2026-03-14 07:26:24
○ 2026-03-25 07:23:56
●NSns2.stackdns.com2026-03-14 → 2026-03-25 · 3 obs
○ 2019-02-25 19:40:38
● 2026-03-14 07:26:24
● 2026-03-25 07:23:56
○NSns3.livedns.co.uk2015-07-16 → 2019-02-25 · 4 obs
● 2015-07-16 03:28:04
● 2019-02-25 19:40:38
○ 2026-03-14 07:26:24
○ 2026-03-25 07:23:56
●NSns3.stackdns.com2026-03-14 → 2026-03-25 · 3 obs
○ 2019-02-25 19:40:38
● 2026-03-14 07:26:24
● 2026-03-25 07:23:56
●NSns4.stackdns.com2026-03-14 → 2026-03-25 · 3 obs
○ 2019-02-25 19:40:38
● 2026-03-14 07:26:24
● 2026-03-25 07:23:56
○MXmailserver.rfrc.org.uk2015-07-16 → 2019-02-25 · 4 obs
● 2015-07-16 03:28:04
● 2019-02-25 19:40:38
○ 2026-03-14 07:26:24
○ 2026-03-25 07:23:56
●MXmx.stackmail.com2026-03-14 → 2026-03-25 · 3 obs
○ 2019-02-25 19:40:38
● 2026-03-14 07:26:24
● 2026-03-25 07:23:56
●A185.151.30.1702026-03-14 → 2026-03-25 · 3 obs
○ 2019-02-25 19:40:38
● 2026-03-14 07:26:24
● 2026-03-25 07:23:56
●A2a07:7800::1702026-03-14 → 2026-03-25 · 3 obs
○ 2019-02-25 19:40:38
● 2026-03-14 07:26:24
● 2026-03-25 07:23:56
○A88.208.252.1802015-07-16 → 2019-02-25 · 4 obs
● 2015-07-16 03:28:04
● 2019-02-25 19:40:38
○ 2026-03-14 07:26:24
○ 2026-03-25 07:23:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...-
rfrc.org.ukns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com-

✅ Authoritative Response

Server:104.196.137.209

NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 452ms | Queries: -

📄 Records

TypeCountSample Data
A1185.151.30.170
AAAA12a07:7800::170
NS4ns4.stackdns.com, ns3.stackdns.com...
MX1mx.stackmail.com (pri: 10)
TXT1v=spf1 include:spf.stackmail.com a mx -a
SOA1ns1.stackdns.com hostmaster.stackdns.com

Analysis

Hierarchy

rfrc.org.uk is the parent of mailserver.rfrc.org.uk.

IP Addresses

The entity rfrc.org.uk points to two IP numbers: 2a07:7800::170 and 185.151.30.170.

For instance, other host names www.vatanperde.com.tr, mailserver.rfrc.org.uk, roidless.com, bradyplc.no and clim.abfroid.ma share IP numbers with rfrc.org.uk.

Name Servers

rfrc.org.uk is delegated to four name servers: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.

rfrc.org.uk shares name servers with other domains at least partially, for example barrytolson.com, verd.co.uk, billtolley.co.uk, cambrianbusiness.com and westondoctor.com.

Host names with a single IP:

ns1.stackdns.com points to 35.197.225.59

ns2.stackdns.com points to 146.148.28.88

ns3.stackdns.com points to 35.198.79.191

ns4.stackdns.com points to 104.196.137.209

Mail Servers

rfrc.org.uk is handled by a single mail server, mx.stackmail.com.

rfrc.org.uk shares the same mail server setup as other domains, for instance jeaston.co.uk, former-glory.co.uk, pearljamlive.com, midlandflooring.biz and paxchristi.org.uk.

mx.stackmail.com points to a single IP: 185.151.28.67.