johnmark.co.uk - robtex.com

johnmark.co.uk

DNSSEC⚠️ Not signed
NSns2.heartinternet.uk ⭐
A79.170.43.3🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited
PTRns2.mainnameserver.com
NSns.heartinternet.uk
A79.170.40.2🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited
PTRns1.mainnameserver.com
MXmx0.maillaundry.co.uk ⭐
A78.40.151.8🇬🇧 TELEDATA78.40.144.0/21 Teledata Manchester Block 1
PTRmx0.maillaundry.co.uk
MXmx1.maillaundry.co.uk ⭐
A78.40.151.8🇬🇧 TELEDATA78.40.144.0/21 Teledata Manchester Block 1
PTRmx0.maillaundry.co.uk
TXT0ed1fe018a2ab4d4034d864ad1be7937
TXTv=spf1 ip4:89.40.44.226 ip4:85.236.146.122 include:spf.protection.outlook.co...
TXT_globalsign-domain-verification=apZ_V7_IjkhkFqGVJHwlkdQfx-d0KXUqn0OiJ9EW74
TXT0ed1fe018a11e317b65fd6427bad53ed94b0592694
TXTMS=ms89724209
SOAns.heartinternet.ukhostmaster@mainnameserver.com 2025-04-17 #54

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=1774409268
rank #175982 globally
rank #13818 in the tld
WOT: SAFE (74/100)

Same first word

johnmark.co.uk
johnmark.me
johnmark.us

DNS History

20 records (4 active, 16 former)

20162017201820192020202120222023202420252026NSns.heartinternet.ukns2.heartinternet.ukauth0.razorblue.comauth1.razorblue.comauth2.razorblue.comns0.phase8.netns1.hostthing.comns1.phase8.netns2.hostthing.comns2.phase8.netMXmx0.maillaundry.co.ukmx1.maillaundry.co.ukeu-smtp-inbound-1.mimecast.comeu-smtp-inbound-2.mimecast.commxshield1.itanswers.comservice151.mimecast.comservice152.mimecast.comA109.104.101.154164.39.11.13735.172.94.1
○NSauth0.razorblue.com2021-11-11 → 2021-11-11 · 4 obs
○ 2017-05-10 20:01:18
● 2021-11-11 18:54:14
○ 2026-03-25 03:49:48
○ 2026-03-25 03:49:50
○NSauth1.razorblue.com2021-11-11 → 2021-11-11 · 4 obs
○ 2017-05-10 20:01:18
● 2021-11-11 18:54:14
○ 2026-03-25 03:49:48
○ 2026-03-25 03:49:50
○NSauth2.razorblue.com2021-11-11 → 2021-11-11 · 4 obs
○ 2017-05-10 20:01:18
● 2021-11-11 18:54:14
○ 2026-03-25 03:49:48
○ 2026-03-25 03:49:50
●NSns.heartinternet.uk2026-03-25 → 2026-03-25 · 3 obs
○ 2021-11-11 18:54:14
● 2026-03-25 03:49:48
● 2026-03-25 03:49:50
○NSns0.phase8.net2015-06-09 → 2015-06-09 · 3 obs
● 2015-06-09 14:00:28
○ 2015-11-01 12:53:18
○ 2026-03-25 03:49:50
○NSns1.hostthing.com2015-11-01 → 2017-05-10 · 5 obs
○ 2015-06-09 14:00:28
● 2015-11-01 12:53:18
● 2017-05-10 20:01:18
○ 2021-11-11 18:54:14
○ 2026-03-25 03:49:50
○NSns1.phase8.net2015-06-09 → 2015-06-09 · 3 obs
● 2015-06-09 14:00:28
○ 2015-11-01 12:53:18
○ 2026-03-25 03:49:50
●NSns2.heartinternet.uk2026-03-25 → 2026-03-25 · 3 obs
○ 2021-11-11 18:54:14
● 2026-03-25 03:49:48
● 2026-03-25 03:49:50
○NSns2.hostthing.com2015-11-01 → 2017-05-10 · 5 obs
○ 2015-06-09 14:00:28
● 2015-11-01 12:53:18
● 2017-05-10 20:01:18
○ 2021-11-11 18:54:14
○ 2026-03-25 03:49:50
○NSns2.phase8.net2015-06-09 → 2015-06-09 · 3 obs
● 2015-06-09 14:00:28
○ 2015-11-01 12:53:18
○ 2026-03-25 03:49:50
○MXeu-smtp-inbound-1.mimecast.com2021-11-11 → 2021-11-11 · 4 obs
○ 2017-05-10 20:01:18
● 2021-11-11 18:54:14
○ 2026-03-25 03:49:48
○ 2026-03-25 03:49:50
○MXeu-smtp-inbound-2.mimecast.com2021-11-11 → 2021-11-11 · 4 obs
○ 2017-05-10 20:01:18
● 2021-11-11 18:54:14
○ 2026-03-25 03:49:48
○ 2026-03-25 03:49:50
●MXmx0.maillaundry.co.uk2026-03-25 → 2026-03-25 · 3 obs
○ 2021-11-11 18:54:14
● 2026-03-25 03:49:48
● 2026-03-25 03:49:50
●MXmx1.maillaundry.co.uk2026-03-25 → 2026-03-25 · 3 obs
○ 2021-11-11 18:54:14
● 2026-03-25 03:49:48
● 2026-03-25 03:49:50
○MXmxshield1.itanswers.com2015-11-01 → 2017-05-10 · 5 obs
○ 2015-06-09 14:00:28
● 2015-11-01 12:53:18
● 2017-05-10 20:01:18
○ 2021-11-11 18:54:14
○ 2026-03-25 03:49:50
○MXservice151.mimecast.com2015-06-09 → 2015-06-09 · 3 obs
● 2015-06-09 14:00:28
○ 2015-11-01 12:53:18
○ 2026-03-25 03:49:50
○MXservice152.mimecast.com2015-06-09 → 2015-06-09 · 3 obs
● 2015-06-09 14:00:28
○ 2015-11-01 12:53:18
○ 2026-03-25 03:49:50
○A109.104.101.1542015-06-09 → 2016-06-23 · 4 obs
● 2015-06-09 14:00:28
● 2016-06-23 15:22:14
○ 2017-03-19 01:11:04
○ 2026-03-25 03:49:50
○A164.39.11.1372017-03-19 → 2017-05-10 · 5 obs
○ 2016-06-23 15:22:14
● 2017-03-19 01:11:04
● 2017-05-10 20:01:18
○ 2021-11-11 18:54:14
○ 2026-03-25 03:49:50
○A35.172.94.12021-11-11 → 2021-11-11 · 4 obs
○ 2017-05-10 20:01:18
● 2021-11-11 18:54:14
○ 2026-03-25 03:49:48
○ 2026-03-25 03:49:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ukdns1.nic.uk, dns3.nic.uk, nsc.nic.uk, nsa.nic.uk...-
johnmark.co.ukns.heartinternet.uk, ns2.heartinternet.uk-

✅ Authoritative Response

Server:79.170.43.3

NS records: ns.heartinternet.uk, ns2.heartinternet.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 427ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns.heartinternet.uk, ns2.heartinternet.uk
MX2mx1.maillaundry.co.uk (pri: 10), mx0.maillaundry.co.uk (pri: 10)
TXT50ed1fe018a2ab4d4034d864ad1be7937, 0ed1fe018a11e317b65fd6427bad53ed94b05926...
SOA1ns.heartinternet.uk hostmaster.mainnames

Analysis

Name Servers

Two name servers ns2.heartinternet.uk and ns.heartinternet.uk handle the delegation for johnmark.co.uk.

johnmark.co.uk shares the same name server setup as other domains, for example stjameswithemmanuel.uk, kenninghall.org.uk, owp.org.uk, iaat.org.uk and leoland.co.uk.

johnmark.co.uk shares name servers with other domains at least partially, for instance my-iva-adviser.co.uk.

Host names with one IP number:

ns2.heartinternet.uk points to 79.170.43.3; ns.heartinternet.uk points to 79.170.40.2.

Mail Servers

Two mail servers handle johnmark.co.uk: mx0.maillaundry.co.uk and mx1.maillaundry.co.uk.

johnmark.co.uk shares the same mail server setup as other domains, including lotd.com, nuroz.us, stocksmanchester.com, prime-life.co.uk and isaacsonline.com.

johnmark.co.uk shares at least partially some mail servers with other domains, for instance maillaundry.co.uk, lunn-hardware.co.uk, predatornutrition.com, expac.co.uk and fusiondiy.com.

Host names with a single IP:

mx0.maillaundry.co.uk points to 78.40.151.8.

mx1.maillaundry.co.uk points to 78.40.151.8.

Host names pointing to 78.40.151.8: mx0.maillaundry.co.uk and mx1.maillaundry.co.uk.