🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developingtelecom.com`

DNSSEC	⚠️ Not signed
A	77.72.2.95^{🇬🇧 KRYSTAL77.72.2.0/24}
		PTR	`squid-lon.krystal.uk`
NS	`ns1.krystal.uk` ⭐ ⚠️ Not in parent delegation
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns1.krystal.io` ⚠️ Not in zone NS records
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns2.krystal.io` ⚠️ Not in zone NS records
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
NS	`ns2.krystal.uk` ⚠️ Not in parent delegation
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
MX	`mx1.krystal.uk` ⭐
		A	185.53.56.44^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx1.strikemail.co.uk`
		A	185.53.56.46^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx1.strikemail.co.uk`
MX	`mx2.krystal.uk`⁽²⁰⁾
		A	185.53.56.45^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx2.strikemail.co.uk`
		A	185.53.56.47^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx2.strikemail.co.uk`
TXT	`v=spf1 include:relay.k.io a mx ip4:77.72.2.95 ~all`
SOA	`ns1.krystal.uk`admin@demo.squid-lon.krystal.uk 2026-08-17 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1788924468

Same first word

developingtelecom.com

Previous names

Next names

DNS History

11 records (7 active, 4 former)

○NSns.mainnameserver.com2017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 05:09:06
○ 2026-08-20 23:07:06
○ 2026-09-09 03:33:50

●NSns1.krystal.io2026-08-20 → 2026-09-09 · 3 obs

○ 2017-05-11 05:09:06
● 2026-08-20 23:07:06
● 2026-09-09 03:33:50

●NSns1.krystal.uk2026-08-20 → 2026-09-09 · 3 obs

○ 2017-05-11 05:09:06
● 2026-08-20 23:07:06
● 2026-09-09 03:33:50

●NSns2.krystal.io2026-08-20 → 2026-09-09 · 3 obs

○ 2017-05-11 05:09:06
● 2026-08-20 23:07:06
● 2026-09-09 03:33:50

●NSns2.krystal.uk2026-08-20 → 2026-09-09 · 3 obs

○ 2017-05-11 05:09:06
● 2026-08-20 23:07:06
● 2026-09-09 03:33:50

○NSns2.mainnameserver.com2017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 05:09:06
○ 2026-08-20 23:07:06
○ 2026-09-09 03:33:50

○MXmail.developingtelecom.com2017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 05:09:06
○ 2026-08-20 23:07:06
○ 2026-09-09 03:33:50

●MXmx1.krystal.uk2026-08-20 → 2026-09-09 · 3 obs

○ 2017-05-11 05:09:06
● 2026-08-20 23:07:06
● 2026-09-09 03:33:50

●MXmx2.krystal.uk2026-08-20 → 2026-09-09 · 3 obs

○ 2017-05-11 05:09:06
● 2026-08-20 23:07:06
● 2026-09-09 03:33:50

○A46.32.229.1172017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 05:09:06
○ 2026-08-20 23:07:06
○ 2026-09-09 03:33:50

●A77.72.2.952026-08-20 → 2026-09-09 · 3 obs

○ 2017-05-11 05:09:06
● 2026-08-20 23:07:06
● 2026-09-09 03:33:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
developingtelecom.com	ns1.krystal.io, ns2.krystal.io	-

✅ Authoritative Response

Server:139.162.230.184

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developingtelecom.com (unsigned zone)

⏱️ Timing

Total: 994ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.2.95`
NS	2	`ns1.krystal.uk, ns2.krystal.uk`
MX	2	`mx1.krystal.uk (pri: 10), mx2.krystal.uk (pri: 20)`
TXT	1	`v=spf1 include:relay.k.io a mx ip4:77`
SOA	1	`ns1.krystal.uk admin.demo.squid-lon.krys`

Analysis

IP Addresses

developingtelecom.com resolves to one IP address: 77.72.2.95.

maclennanvehiclemovements.co.uk, glowhartlepool.co.uk, muscleandmacros.co.uk and two other host names share IP numbers with developingtelecom.com.

Name Servers

The authoritative name servers for developingtelecom.com are ns1.krystal.io, ns2.krystal.io, ns1.krystal.uk and ns2.krystal.uk.

There is at least partial name server overlap between developingtelecom.com and other domains — protectivebehaviours.org, edinburgh-storage-solutions.co.uk, capitalasset-auctions.co.uk and two more among them.

These name servers regularly appear alongside ns3.krystal.io, ns4.krystal.io, ns1.krystal.co.uk and 5 other name servers in NS record sets.

Of the four host names ns1.krystal.io, ns2.krystal.io, ns1.krystal.uk and ns2.krystal.uk, each resolves to a single IP address: ns1.krystal.io to 77.72.0.11, ns2.krystal.io to 139.162.230.184, ns1.krystal.uk to 77.72.0.11 and ns2.krystal.uk 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

Mail for developingtelecom.com is handled by two mail servers — mx1.krystal.uk and mx2.krystal.uk.

developingtelecom.com uses an identical mail server configuration to several other domains — among them alarumproductions.org.uk, 27is9.com, almonia.co.uk and two more.

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

developingtelecom.com - robtex.com