dsdev.com - robtex.com

dsdev.com

DNSSEC⚠️ Not signed
A77.72.2.109🇬🇧 KRYSTAL77.72.2.0/24
PTRp109.lon.krystal.io
NSns1.krystal.io ⭐ ⚠️ Not in parent delegation
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns1.krystal.uk ⚠️ 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 parent delegation
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
NSns2.krystal.uk ⚠️ Not in zone NS records
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
NSns3.krystal.io ⚠️ Not in parent delegation
A77.72.0.13🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.cloudhosting.co.uk
NSns4.krystal.io ⚠️ Not in parent delegation
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 +a +mx +ip4:77.72.2.109 include:relay.k.io ~all
SOAns1.krystal.ioadmin@demo.p109.lon.krystal.io 2026-08-06 #0

com

Previously MX for

Same first word

Similar names

DNS History

13 records (9 active, 4 former)

20162017201820192020202120222023202420252026NSns1.krystal.ions1.krystal.ukns2.krystal.ions2.krystal.ukns3.krystal.ions4.krystal.ions1.webhostinghub.comns2.webhostinghub.comMXmx1.krystal.iomx2.krystal.iodsdev.comA77.72.2.109198.46.82.83
NSns1.krystal.io2026-03-22 → 2026-08-11 · 3 obs
○ 2016-07-02 17:08:50
● 2026-03-22 09:52:20
● 2026-08-11 16:23:18
NSns1.krystal.uk2026-03-22 → 2026-08-11 · 3 obs
○ 2016-07-02 17:08:50
● 2026-03-22 09:52:20
● 2026-08-11 16:23:18
NSns1.webhostinghub.com2015-08-30 → 2016-07-02 · 4 obs
● 2015-08-30 11:57:32
● 2016-07-02 17:08:50
○ 2026-03-22 09:52:20
○ 2026-08-11 16:23:18
NSns2.krystal.io2026-03-22 → 2026-08-11 · 3 obs
○ 2016-07-02 17:08:50
● 2026-03-22 09:52:20
● 2026-08-11 16:23:18
NSns2.krystal.uk2026-03-22 → 2026-08-11 · 3 obs
○ 2016-07-02 17:08:50
● 2026-03-22 09:52:20
● 2026-08-11 16:23:18
NSns2.webhostinghub.com2015-08-30 → 2016-07-02 · 4 obs
● 2015-08-30 11:57:32
● 2016-07-02 17:08:50
○ 2026-03-22 09:52:20
○ 2026-08-11 16:23:18
NSns3.krystal.io2026-03-22 → 2026-08-11 · 3 obs
○ 2016-07-02 17:08:50
● 2026-03-22 09:52:20
● 2026-08-11 16:23:18
NSns4.krystal.io2026-03-22 → 2026-08-11 · 3 obs
○ 2016-07-02 17:08:50
● 2026-03-22 09:52:20
● 2026-08-11 16:23:18
MXdsdev.com2015-08-30 → 2016-07-02 · 4 obs
● 2015-08-30 11:57:32
● 2016-07-02 17:08:50
○ 2026-03-22 09:52:20
○ 2026-08-11 16:23:18
MXmx1.krystal.io2026-03-22 → 2026-08-11 · 3 obs
○ 2016-07-02 17:08:50
● 2026-03-22 09:52:20
● 2026-08-11 16:23:18
MXmx2.krystal.io2026-03-22 → 2026-08-11 · 3 obs
○ 2016-07-02 17:08:50
● 2026-03-22 09:52:20
● 2026-08-11 16:23:18
A198.46.82.832015-08-30 → 2016-07-02 · 4 obs
● 2015-08-30 11:57:32
● 2016-07-02 17:08:50
○ 2026-03-22 09:52:20
○ 2026-08-11 16:23:18
A77.72.2.1092026-03-22 → 2026-08-11 · 3 obs
○ 2016-07-02 17:08:50
● 2026-03-22 09:52:20
● 2026-08-11 16:23:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
dsdev.comns2.krystal.uk, ns1.krystal.uk-

✅ Authoritative Response

Server:77.72.0.11

NS records: ns2.krystal.uk, ns1.krystal.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dsdev.com (unsigned zone)

⏱️ Timing

Total: 2095ms | Queries: -

📄 Records

TypeCountSample Data
A177.72.2.109
NS4ns4.krystal.io, ns2.krystal.io...
MX2mx1.krystal.io (pri: 10), mx2.krystal.io (pri: 20)
TXT1v=spf1 +a +mx +ip4:77.72.2.109 include:r
SOA1ns1.krystal.io admin.demo.p109.lon.kryst

Analysis

IP Addresses

dsdev.com has exactly one IP address — 77.72.2.109.

bps.ac.uk, webstersglasgow.com, crossfields.co.uk plus two other host names have IP numbers in common with dsdev.com.

Name Servers

dsdev.com is served by 6 authoritative name servers — among them ns1.krystal.io, ns2.krystal.io, ns3.krystal.io and 3 others.

dsdev.com partially shares its NS delegation with several other domains, including startkarting.co.uk, phoenixeft.co.uk, fryn.net and two others.

In DNS configurations, these name servers often share authority with ns1.krystal.uk, ns2.krystal.uk, ns4.krystal.io and 6 other name servers.

Host names resolving to a single IP address:

The hostname ns1.krystal.io resolves to 77.72.0.11.

The hostname ns2.krystal.io resolves to 139.162.230.184.

The hostname ns3.krystal.io resolves to 77.72.0.13.

The hostname ns4.krystal.io resolves to 139.162.254.53.

The hostname ns1.krystal.uk resolves to 77.72.0.11.

The hostname ns2.krystal.uk resolves to 139.162.230.184.

ns1.krystal.io along with ns1.krystal.uk each resolve to 77.72.0.11 IP addresses.

ns2.krystal.io along with ns2.krystal.uk each resolve to 139.162.230.184 IP addresses.

Mail Servers

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

The mail server setup of dsdev.com matches that of other domains such as devonhurst.co.uk, appteka.com, textonbg.com and two others.

mx1.krystal.io and mx2.krystal.io both carry two IP addresses. The A records for mx1.krystal.io are 185.53.56.44 and 185.53.56.46; the A records for mx2.krystal.io are 185.53.56.45 and 185.53.56.47.