studylanguage.com - dns.ninja

`studylanguage.com`

DNSSEC	⚠️ Not signed
A	77.72.2.126^{🇬🇧 KRYSTAL77.72.2.0/24}
		PTR	`p126.lon.krystal.io`
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.co.uk` ⚠️ 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.co.uk` ⚠️ 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	`studylanguage-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
MX	`mx1.krystal.io`⁽¹⁰⁾
		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.io`⁽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 ip4:77.72.1.18 ip4:77.72.2.126 include:relay.k.io include:spf.protecti...`
SOA	`ns1.krystal.uk`admin@demo.p126.lon.krystal.io 2026-06-30 #2

`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=1782917921

Same first word

studylanguage.com

studylanguage.co.uk

Similar names

languagestudy.mobi

DNS History

24 records (8 active, 16 former)

○NSns-1487.awsdns-57.org2015-10-29 → 2016-09-08 · 5 obs

○ 2015-06-16 04:40:54
● 2015-10-29 21:45:24
● 2016-09-08 15:38:16
○ 2017-01-10 06:50:28
○ 2026-07-01 15:24:56

○NSns-1555.awsdns-02.co.uk2015-10-29 → 2016-09-08 · 5 obs

○ 2015-06-16 04:40:54
● 2015-10-29 21:45:24
● 2016-09-08 15:38:16
○ 2017-01-10 06:50:28
○ 2026-07-01 15:24:56

○NSns-160.awsdns-20.com2015-10-29 → 2016-09-08 · 5 obs

○ 2015-06-16 04:40:54
● 2015-10-29 21:45:24
● 2016-09-08 15:38:16
○ 2017-01-10 06:50:28
○ 2026-07-01 15:24:56

○NSns-844.awsdns-41.net2015-10-29 → 2016-09-08 · 5 obs

○ 2015-06-16 04:40:54
● 2015-10-29 21:45:24
● 2016-09-08 15:38:16
○ 2017-01-10 06:50:28
○ 2026-07-01 15:24:56

○NSns1.eftydns.com2017-01-10 → 2017-10-03 · 12 obs

○ 2016-09-08 15:38:16
● 2017-01-10 06:50:28
○ 2017-06-27 00:09:16
● 2017-07-08 10:34:54
○ 2017-07-12 23:07:46
○ 2017-07-26 07:49:14
● 2017-08-03 07:33:22
● 2017-08-26 13:34:30
○ 2017-09-14 03:24:58
● 2017-10-03 07:10:00
○ 2026-06-15 03:57:30
○ 2026-07-01 15:24:56

●NSns1.krystal.co.uk2026-06-15 → 2026-07-01 · 3 obs

○ 2017-10-03 07:10:00
● 2026-06-15 03:57:30
● 2026-07-01 15:24:56

●NSns1.krystal.uk2026-06-15 → 2026-07-01 · 3 obs

○ 2017-10-03 07:10:00
● 2026-06-15 03:57:30
● 2026-07-01 15:24:56

○NSns2.eftydns.com2017-01-10 → 2017-10-03 · 12 obs

○ 2016-09-08 15:38:16
● 2017-01-10 06:50:28
● 2017-06-27 00:09:16
○ 2017-07-08 10:34:54
● 2017-07-12 23:07:46
● 2017-07-26 07:49:14
○ 2017-08-03 07:33:22
○ 2017-08-26 13:34:30
● 2017-09-14 03:24:58
● 2017-10-03 07:10:00
○ 2026-06-15 03:57:30
○ 2026-07-01 15:24:56

●NSns2.krystal.co.uk2026-06-15 → 2026-07-01 · 3 obs

○ 2017-10-03 07:10:00
● 2026-06-15 03:57:30
● 2026-07-01 15:24:56

●NSns2.krystal.uk2026-06-15 → 2026-07-01 · 3 obs

○ 2017-10-03 07:10:00
● 2026-06-15 03:57:30
● 2026-07-01 15:24:56

○NSns41.domaincontrol.com2015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 04:40:54
○ 2015-10-29 21:45:24
○ 2026-07-01 15:24:56

○NSns42.domaincontrol.com2015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 04:40:54
○ 2015-10-29 21:45:24
○ 2026-07-01 15:24:56

○MXmail.efty.com2017-01-10 → 2017-10-03 · 5 obs

○ 2016-09-08 15:38:16
● 2017-01-10 06:50:28
● 2017-10-03 07:10:00
○ 2026-06-15 03:57:30
○ 2026-07-01 15:24:56

○MXmailstation.office-on-the.net2016-09-08 → 2016-09-08 · 4 obs

○ 2015-10-29 21:45:24
● 2016-09-08 15:38:16
○ 2017-01-10 06:50:28
○ 2026-07-01 15:24:56

○MXmailstore1.secureserver.net2015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 04:40:54
○ 2015-10-29 21:45:24
○ 2026-07-01 15:24:56

●MXmx1.krystal.io2026-06-15 → 2026-07-01 · 3 obs

○ 2017-10-03 07:10:00
● 2026-06-15 03:57:30
● 2026-07-01 15:24:56

●MXmx2.krystal.io2026-06-15 → 2026-07-01 · 3 obs

○ 2017-10-03 07:10:00
● 2026-06-15 03:57:30
● 2026-07-01 15:24:56

○MXsmtp.secureserver.net2015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 04:40:54
○ 2015-10-29 21:45:24
○ 2026-07-01 15:24:56

●MXstudylanguage-com.mail.protection.outlook.com2026-06-15 → 2026-07-01 · 3 obs

○ 2017-10-03 07:10:00
● 2026-06-15 03:57:30
● 2026-07-01 15:24:56

○A119.81.170.182017-01-10 → 2017-10-03 · 8 obs

○ 2016-09-08 15:38:16
● 2017-01-10 06:50:28
● 2017-07-26 07:49:14
○ 2017-08-03 07:33:22
● 2017-08-09 06:17:00
● 2017-10-03 07:10:00
○ 2026-06-15 03:57:30
○ 2026-07-01 15:24:56

○A184.168.221.372015-06-16 → 2015-06-16 · 3 obs

● 2015-06-16 04:40:54
○ 2015-10-29 21:45:24
○ 2026-07-01 15:24:56

○A204.236.224.1232016-09-08 → 2016-09-08 · 4 obs

○ 2015-10-29 21:45:24
● 2016-09-08 15:38:16
○ 2017-01-10 06:50:28
○ 2026-07-01 15:24:56

○A37.58.107.932017-08-03 → 2017-10-03 · 7 obs

○ 2017-07-26 07:49:14
● 2017-08-03 07:33:22
○ 2017-08-09 06:17:00
● 2017-08-16 09:31:08
● 2017-10-03 07:10:00
○ 2026-06-15 03:57:30
○ 2026-07-01 15:24:56

●A77.72.2.1262026-06-15 → 2026-07-01 · 3 obs

○ 2017-10-03 07:10:00
● 2026-06-15 03:57:30
● 2026-07-01 15:24:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studylanguage.com	ns1.krystal.co.uk, ns2.krystal.co.uk	-

✅ Authoritative Response

Server:77.72.0.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studylanguage.com (unsigned zone)

⏱️ Timing

Total: 2088ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.2.126`
NS	2	`ns1.krystal.uk, ns2.krystal.uk`
MX	3	`mx2.krystal.io (pri: 20), studylanguage-com.mail.protection.outloo...`
TXT	1	`v=spf1 ip4:77.72.1.18 ip4:77.72.2.126 in`
SOA	1	`ns1.krystal.uk admin.demo.p126.lon.kryst`

Analysis

IP Addresses

studylanguage.com has exactly one IP address — 77.72.2.126.

flipchem.com, alphabet-learning.com, regencygraphics.co.uk plus two other host names have IP numbers in common with studylanguage.com.

Name Servers

Four name servers handle the delegation for studylanguage.com: ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.

At least some of studylanguage.com's name servers are shared with other domains, for example admwright.com, charliehigh.com, swindonseacadets.co.uk and two more.

These name servers tend to co-occur with ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.uksrv.co.uk and 7 other name servers in the same DNS delegations.

ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk each point to exactly one IP address. ns1.krystal.uk directs to 77.72.0.11, ns2.krystal.uk directs to 139.162.230.184, ns1.krystal.co.uk directs to 77.72.0.11 and ns2.krystal.co.uk directs to 139.162.230.184. Two pairs share an IP: ns1.krystal.uk and ns1.krystal.co.uk share 77.72.0.11, and ns2.krystal.uk and ns2.krystal.co.uk share 139.162.230.184.

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

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

Mail Servers

The MX records for studylanguage.com list three mail servers: mx1.krystal.io, mx2.krystal.io and studylanguage-com.mail.protection.outlook.com.

At least some of the mail servers used by studylanguage.com are shared with other domains: commonground.org.uk, floorserve.co.uk, paulcreane.com and two others among them.

Hosts with 8 IP addresses each:

Hostname studylanguage-com.mail.protection.outlook.com directs to 52.101.89.0, 52.101.89.2 and 52.101.99.0 along with 5 other IP addresses.

Host names pointing to two IP addresses:

mx1.krystal.io directs traffic to 185.53.56.44 and 185.53.56.46.

mx2.krystal.io directs traffic to 185.53.56.45 and 185.53.56.47.