jfrschool.com - robtex.com

jfrschool.com

DNSSEC⚠️ Not signed
A211.149.234.242🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client
NSns1.myhostadmin.net ⭐ ⚠️ Not in parent delegation
A240e:d9:c200::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A60.247.150.254🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network
A118.123.249.114🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
A118.123.253.132🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
NSns2.myhostadmin.net ⚠️ Not in parent delegation
A240e:d9:c200:1::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A61.172.183.73🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC
A61.240.129.143🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)
A211.149.230.100🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client
NSns3.myhostadmin.net ⚠️ Not in parent delegation
A240e:d9:c200::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A61.172.183.77🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC
A118.123.249.114🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
NSns4.myhostadmin.net
A240e:d9:c200:1::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A118.123.253.132🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
A211.149.230.100🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client
NSns5.myhostadmin.net
A240e:d9:c200::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A61.172.183.73🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC
A118.123.249.114🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
NSns6.myhostadmin.net ⚠️ Not in parent delegation
A240e:d9:c200:1::2🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network
A60.247.150.13🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network
A118.123.253.132🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center
SOAns1.myhostadmin.netdnsconct@myhostadmin.net 2023-08-09 #4

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=1785543942

Same first word

jfrschool.com

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1.myhostadmin.netns2.myhostadmin.netns3.myhostadmin.netns4.myhostadmin.netns5.myhostadmin.netns6.myhostadmin.netns11.xincache.comns12.xincache.comns19.xincache.comns20.xincache.comA211.149.234.242211.149.228.48
●NSns1.myhostadmin.net2026-07-17 → 2026-08-01 · 7 obs
○ 2020-04-08 15:52:52
● 2026-07-17 10:05:54
○ 2026-07-19 07:43:08
● 2026-07-19 09:42:20
○ 2026-07-19 11:53:50
● 2026-07-19 12:27:28
● 2026-08-01 00:46:04
○NSns11.xincache.com2015-07-03 → 2020-04-08 · 4 obs
● 2015-07-03 01:35:40
● 2020-04-08 15:52:52
○ 2026-07-17 10:05:54
○ 2026-08-01 00:46:04
○NSns12.xincache.com2015-07-03 → 2020-04-08 · 4 obs
● 2015-07-03 01:35:40
● 2020-04-08 15:52:52
○ 2026-07-17 10:05:54
○ 2026-08-01 00:46:04
○NSns19.xincache.com2015-07-03 → 2020-04-08 · 4 obs
● 2015-07-03 01:35:40
● 2020-04-08 15:52:52
○ 2026-07-17 10:05:54
○ 2026-08-01 00:46:04
●NSns2.myhostadmin.net2026-07-17 → 2026-08-01 · 7 obs
○ 2020-04-08 15:52:52
● 2026-07-17 10:05:54
○ 2026-07-19 07:43:08
● 2026-07-19 09:42:20
○ 2026-07-19 11:53:50
● 2026-07-19 12:27:28
● 2026-08-01 00:46:04
○NSns20.xincache.com2015-07-03 → 2020-04-08 · 4 obs
● 2015-07-03 01:35:40
● 2020-04-08 15:52:52
○ 2026-07-17 10:05:54
○ 2026-08-01 00:46:04
●NSns3.myhostadmin.net2026-07-17 → 2026-08-01 · 7 obs
○ 2020-04-08 15:52:52
● 2026-07-17 10:05:54
○ 2026-07-19 07:43:08
● 2026-07-19 09:42:20
○ 2026-07-19 11:53:50
● 2026-07-19 12:27:28
● 2026-08-01 00:46:04
●NSns4.myhostadmin.net2026-07-17 → 2026-08-01 · 3 obs
○ 2020-04-08 15:52:52
● 2026-07-17 10:05:54
● 2026-08-01 00:46:04
●NSns5.myhostadmin.net2026-07-17 → 2026-08-01 · 3 obs
○ 2020-04-08 15:52:52
● 2026-07-17 10:05:54
● 2026-08-01 00:46:04
●NSns6.myhostadmin.net2026-07-17 → 2026-08-01 · 7 obs
○ 2020-04-08 15:52:52
● 2026-07-17 10:05:54
○ 2026-07-19 07:43:08
● 2026-07-19 09:42:20
○ 2026-07-19 11:53:50
● 2026-07-19 12:27:28
● 2026-08-01 00:46:04
○A211.149.228.482016-02-05 → 2017-03-14 · 4 obs
● 2016-02-05 22:41:52
● 2017-03-14 03:20:54
○ 2020-04-08 15:52:52
○ 2026-08-01 00:46:04
●A211.149.234.2422020-04-08 → 2026-08-01 · 7 obs
○ 2017-03-14 03:20:54
● 2020-04-08 15:52:52
○ 2026-07-19 07:43:08
● 2026-07-19 09:42:20
○ 2026-07-19 11:53:50
● 2026-07-19 12:27:28
● 2026-08-01 00:46:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net...-
jfrschool.comns4.myhostadmin.net, ns5.myhostadmin.net-

✅ Authoritative Response

Server:61.172.183.73

NS records: ns4.myhostadmin.net, ns5.myhostadmin.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jfrschool.com (unsigned zone)

⏱️ Timing

Total: 1532ms | Queries: -

📄 Records

TypeCountSample Data
A1211.149.234.242
NS6ns5.myhostadmin.net, ns2.myhostadmin.net...
SOA1ns1.myhostadmin.net dnsconct.myhostadmin

Analysis

IP Addresses

jfrschool.com directs to one IP number, which is 211.149.234.242.

Among the host names that share IP numbers with jfrschool.com are lmgl.cn, www.cqsz.cn, tjdsmt.com and two others.

Name Servers

jfrschool.com delegates authority to 6 name servers: ns1.myhostadmin.net, ns2.myhostadmin.net, ns3.myhostadmin.net plus 3 other.

At least some of jfrschool.com's name servers are shared with other domains, for example dzkonline.com, 761363.cn, baobeilele.com and two more.

These name servers tend to co-occur with ns4.myhostadmin.net, ns5.myhostadmin.net, ns6.myhostadmin.net and 7 other name servers in the same DNS delegations.

Hosts pointing to four IP addresses:

ns1.myhostadmin.net directs to 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.

ns2.myhostadmin.net directs to 61.172.183.73, 61.240.129.143, 211.149.230.100 and 240e:d9:c200:1::2.

Hosts with three IP address records:

The hostname ns3.myhostadmin.net directs to 61.172.183.77, 118.123.249.114 and 240e:d9:c200::2.

The hostname ns4.myhostadmin.net directs to 118.123.253.132, 211.149.230.100 and 240e:d9:c200:1::2.

The hostname ns5.myhostadmin.net directs to 61.172.183.73, 118.123.249.114 and 240e:d9:c200::2.

The hostname ns6.myhostadmin.net directs to 60.247.150.13, 118.123.253.132 and 240e:d9:c200:1::2.

ns1.myhostadmin.net, ns3.myhostadmin.net and ns5.myhostadmin.net all direct to 240e:d9:c200::2.

ns1.myhostadmin.net, ns3.myhostadmin.net and ns5.myhostadmin.net all direct to 118.123.249.114.

ns1.myhostadmin.net, ns4.myhostadmin.net and ns6.myhostadmin.net all direct to 118.123.253.132.

ns2.myhostadmin.net, ns4.myhostadmin.net and ns6.myhostadmin.net all direct to 240e:d9:c200:1::2.

Both ns2.myhostadmin.net and ns5.myhostadmin.net resolve to 61.172.183.73 IP addresses each.

Both ns2.myhostadmin.net and ns4.myhostadmin.net resolve to 211.149.230.100 IP addresses each.