ww1hull.com - robtex.com

ww1hull.com

DNSSEC⚠️ Not signed
A77.72.2.153🇬🇧 KRYSTAL77.72.2.0/24
PTRp153.lon.krystal.io
NSns1.krystal.uk ⭐ ⚠️ Not in parent delegation
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns1.krystal.io ⚠️ Not in zone NS records
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns2.krystal.io ⚠️ Not in zone NS records
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
NSns2.krystal.uk ⚠️ Not in parent delegation
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
NSns3.krystal.io ⚠️ Not in zone NS records
A77.72.0.13🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.cloudhosting.co.uk
NSns4.krystal.io ⚠️ Not in zone NS records
A139.162.254.53🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.cloudhosting.co.uk
MXmx1.krystal.io ⭐
A185.53.56.44🇬🇧 KRYSTAL185.53.56.0/22
PTRmx1.strikemail.co.uk
A185.53.56.46🇬🇧 KRYSTAL185.53.56.0/22
PTRmx1.strikemail.co.uk
MXmx2.krystal.io(20)
A185.53.56.45🇬🇧 KRYSTAL185.53.56.0/22
PTRmx2.strikemail.co.uk
A185.53.56.47🇬🇧 KRYSTAL185.53.56.0/22
PTRmx2.strikemail.co.uk
TXTv=spf1 ip4:77.72.2.153 +a +mx include:relay.k.io ~all
SOAns1.krystal.ukadmin@demo.p153.lon.krystal.io 2026-08-10 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786341969

Same first word

ww1hull.com

DNS History

19 records (9 active, 10 former)

20162017201820192020202120222023202420252026NSns1.krystal.ions1.krystal.ukns2.krystal.ions2.krystal.ukns3.krystal.ions4.krystal.ions1.krystal.co.ukns1.uksrv.co.ukns2.krystal.co.ukns2.uksrv.co.ukMXmx1.krystal.iomx2.krystal.iomx1.krystal.co.ukmx1.uksrv.co.ukmx2.krystal.co.ukmx2.uksrv.co.ukA77.72.2.15377.72.4.19477.72.4.98
○NSns1.krystal.co.uk2015-07-05 → 2019-04-22 · 6 obs
● 2015-07-05 14:08:42
● 2016-07-04 17:59:52
○ 2017-02-17 02:19:52
● 2019-04-22 17:39:42
○ 2026-06-22 22:48:12
○ 2026-08-10 06:16:24
●NSns1.krystal.io2026-06-22 → 2026-08-10 · 3 obs
○ 2019-04-22 17:39:42
● 2026-06-22 22:48:12
● 2026-08-10 06:16:24
●NSns1.krystal.uk2026-06-22 → 2026-08-10 · 3 obs
○ 2019-04-22 17:39:42
● 2026-06-22 22:48:12
● 2026-08-10 06:16:24
○NSns1.uksrv.co.uk2017-02-17 → 2017-02-17 · 4 obs
○ 2016-07-04 17:59:52
● 2017-02-17 02:19:52
○ 2019-04-22 17:39:42
○ 2026-08-10 06:16:24
○NSns2.krystal.co.uk2015-07-05 → 2019-04-22 · 6 obs
● 2015-07-05 14:08:42
● 2016-07-04 17:59:52
○ 2017-02-17 02:19:52
● 2019-04-22 17:39:42
○ 2026-06-22 22:48:12
○ 2026-08-10 06:16:24
●NSns2.krystal.io2026-06-22 → 2026-08-10 · 3 obs
○ 2019-04-22 17:39:42
● 2026-06-22 22:48:12
● 2026-08-10 06:16:24
●NSns2.krystal.uk2026-06-22 → 2026-08-10 · 3 obs
○ 2019-04-22 17:39:42
● 2026-06-22 22:48:12
● 2026-08-10 06:16:24
○NSns2.uksrv.co.uk2017-02-17 → 2017-02-17 · 4 obs
○ 2016-07-04 17:59:52
● 2017-02-17 02:19:52
○ 2019-04-22 17:39:42
○ 2026-08-10 06:16:24
●NSns3.krystal.io2026-06-22 → 2026-08-10 · 3 obs
○ 2019-04-22 17:39:42
● 2026-06-22 22:48:12
● 2026-08-10 06:16:24
●NSns4.krystal.io2026-06-22 → 2026-08-10 · 3 obs
○ 2019-04-22 17:39:42
● 2026-06-22 22:48:12
● 2026-08-10 06:16:24
○MXmx1.krystal.co.uk2015-07-05 → 2017-02-17 · 4 obs
● 2015-07-05 14:08:42
● 2017-02-17 02:19:52
○ 2019-04-22 17:39:42
○ 2026-08-10 06:16:24
●MXmx1.krystal.io2026-06-22 → 2026-08-10 · 3 obs
○ 2019-04-22 17:39:42
● 2026-06-22 22:48:12
● 2026-08-10 06:16:24
○MXmx1.uksrv.co.uk2019-04-22 → 2019-04-22 · 4 obs
○ 2017-02-17 02:19:52
● 2019-04-22 17:39:42
○ 2026-06-22 22:48:12
○ 2026-08-10 06:16:24
○MXmx2.krystal.co.uk2015-07-05 → 2017-02-17 · 4 obs
● 2015-07-05 14:08:42
● 2017-02-17 02:19:52
○ 2019-04-22 17:39:42
○ 2026-08-10 06:16:24
●MXmx2.krystal.io2026-06-22 → 2026-08-10 · 3 obs
○ 2019-04-22 17:39:42
● 2026-06-22 22:48:12
● 2026-08-10 06:16:24
○MXmx2.uksrv.co.uk2019-04-22 → 2019-04-22 · 4 obs
○ 2017-02-17 02:19:52
● 2019-04-22 17:39:42
○ 2026-06-22 22:48:12
○ 2026-08-10 06:16:24
●A77.72.2.1532026-06-22 → 2026-08-10 · 3 obs
○ 2019-04-22 17:39:42
● 2026-06-22 22:48:12
● 2026-08-10 06:16:24
○A77.72.4.1942015-07-05 → 2016-07-04 · 4 obs
● 2015-07-05 14:08:42
● 2016-07-04 17:59:52
○ 2017-02-17 02:19:52
○ 2026-08-10 06:16:24
○A77.72.4.982017-02-17 → 2019-04-22 · 5 obs
○ 2016-07-04 17:59:52
● 2017-02-17 02:19:52
● 2019-04-22 17:39:42
○ 2026-06-22 22:48:12
○ 2026-08-10 06:16:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...-
ww1hull.comns1.krystal.io, ns2.krystal.io, ns3.krystal.io, ns4.krystal.io-

✅ Authoritative Response

Server:77.72.0.11

NS records: ns1.krystal.io, ns2.krystal.io, ns3.krystal.io, ns4.krystal.io

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ww1hull.com (unsigned zone)

⏱️ Timing

Total: 472ms | Queries: -

📄 Records

TypeCountSample Data
A177.72.2.153
NS2ns1.krystal.uk, ns2.krystal.uk
MX2mx1.krystal.io (pri: 10), mx2.krystal.io (pri: 20)
TXT1v=spf1 ip4:77.72.2.153 +a +mx include:re
SOA1ns1.krystal.uk admin.demo.p153.lon.kryst

Analysis

IP Addresses

ww1hull.com has exactly one IP address — 77.72.2.153.

nutgs.com, www.cobweb.com, carboair.com plus two other host names have IP numbers in common with ww1hull.com.

Name Servers

ww1hull.com delegates authority to 6 name servers: ns1.krystal.io, ns2.krystal.io, ns3.krystal.io plus 3 other.

ww1hull.com shares at least some of its name servers with other domains, including crpc.org.uk, isleofwightmakeupandfacepaint.co.uk, cdmweb.co.uk and two others.

These name servers are frequently seen alongside ns1.krystal.uk, ns2.krystal.uk, ns4.krystal.io and 6 other name servers.

Host names resolving to a single IP address:

ns1.krystal.io has the IP address 77.72.0.11.

ns2.krystal.io has the IP address 139.162.230.184.

ns3.krystal.io has the IP address 77.72.0.13.

ns4.krystal.io has the IP address 139.162.254.53.

ns1.krystal.uk has the IP address 77.72.0.11.

ns2.krystal.uk has the IP address 139.162.230.184.

Both ns1.krystal.io and ns1.krystal.uk resolve to 77.72.0.11 IP addresses each.

Both ns2.krystal.io and ns2.krystal.uk resolve to 139.162.230.184 IP addresses each.

Mail Servers

ww1hull.com uses two mail servers, mx1.krystal.io and mx2.krystal.io.

The mail server setup of ww1hull.com matches that of other domains such as timetorun.co.uk, otbmigrate.ninefootonehost3.co.uk, gentlemensclubuk.com and two others.

ww1hull.com shares at least some of its mail servers with other domains, such as robinhoodtax.org.uk.

The two host names mx1.krystal.io and mx2.krystal.io each have a pair of IP addresses: mx1.krystal.io has 185.53.56.44 and 185.53.56.46, and mx2.krystal.io has 185.53.56.45 and 185.53.56.47.