jzhelp.cn - robtex.com

jzhelp.cn

DNSSEC⚠️ Not signed
A172.232.112.221🇮🇳 AKAMAI-LINODE-AP172.232.96.0/19 Akamai Technologies
PTR172-232-112-221.ip.linodeusercontent.com
NSdns7.expirenotification.com ⚠️ Not in zone NS records
A123.58.214.101🇭🇰 UCLOUD-1123.58.214.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,
NSdns8.expirenotification.com ⚠️ Not in zone NS records
A123.58.214.101🇭🇰 UCLOUD-1123.58.214.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034669963

DNS History

19 records (3 active, 16 former)

20162017201820192020202120222023202420252026NSdns7.expirenotification.comdns8.expirenotification.comdns23.hichina.comdns24.hichina.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netns1.51dns.comns1.dnsdun.comns1.nowcndns.comns2.51dns.comns2.nowcndns.comns4.dnsdun.netMXmxn.mxhichina.commxw.mxhichina.comA172.232.112.221192.151.148.115209.74.104.7638.239.28.20263.141.242.204
○NSdns23.hichina.com2018-10-17 → 2018-10-17 · 4 obs
○ 2017-02-16 07:37:00
● 2018-10-17 09:52:42
○ 2026-03-25 23:03:50
○ 2026-04-14 15:28:38
○NSdns24.hichina.com2018-10-17 → 2018-10-17 · 4 obs
○ 2017-02-16 07:37:00
● 2018-10-17 09:52:42
○ 2026-03-25 23:03:50
○ 2026-04-14 15:28:38
●NSdns7.expirenotification.com2026-04-14 → 2026-04-14 · 3 obs
○ 2026-04-12 16:02:18
● 2026-04-14 15:28:36
● 2026-04-14 15:28:38
●NSdns8.expirenotification.com2026-04-14 → 2026-04-14 · 3 obs
○ 2026-04-12 16:02:18
● 2026-04-14 15:28:36
● 2026-04-14 15:28:38
○NSf1g1ns1.dnspod.net2015-11-06 → 2015-11-06 · 3 obs
● 2015-11-06 03:24:36
○ 2016-01-22 21:50:48
○ 2026-04-14 15:28:38
○NSf1g1ns2.dnspod.net2015-11-06 → 2015-11-06 · 3 obs
● 2015-11-06 03:24:36
○ 2016-01-22 21:50:48
○ 2026-04-14 15:28:38
○NSns1.51dns.com2016-07-10 → 2016-07-10 · 4 obs
○ 2016-01-22 21:50:48
● 2016-07-10 01:32:30
○ 2017-02-16 07:37:00
○ 2026-04-14 15:28:38
○NSns1.dnsdun.com2016-01-22 → 2016-01-22 · 4 obs
○ 2015-11-06 03:24:36
● 2016-01-22 21:50:48
○ 2016-07-10 01:32:30
○ 2026-04-14 15:28:38
○NSns1.nowcndns.com2026-03-25 → 2026-04-08 · 5 obs
○ 2018-10-17 09:52:42
● 2026-03-25 23:03:50
● 2026-04-08 18:32:10
○ 2026-04-12 16:02:18
○ 2026-04-14 15:28:38
○NSns2.51dns.com2016-07-10 → 2016-07-10 · 4 obs
○ 2016-01-22 21:50:48
● 2016-07-10 01:32:30
○ 2017-02-16 07:37:00
○ 2026-04-14 15:28:38
○NSns2.nowcndns.com2026-03-25 → 2026-04-08 · 5 obs
○ 2018-10-17 09:52:42
● 2026-03-25 23:03:50
● 2026-04-08 18:32:10
○ 2026-04-12 16:02:18
○ 2026-04-14 15:28:38
○NSns4.dnsdun.net2016-01-22 → 2016-01-22 · 4 obs
○ 2015-11-06 03:24:36
● 2016-01-22 21:50:48
○ 2016-07-10 01:32:30
○ 2026-04-14 15:28:38
○MXmxn.mxhichina.com2018-10-17 → 2018-10-17 · 3 obs
● 2018-10-17 09:52:42
○ 2026-03-25 23:03:50
○ 2026-04-14 15:28:38
○MXmxw.mxhichina.com2018-10-17 → 2018-10-17 · 3 obs
● 2018-10-17 09:52:42
○ 2026-03-25 23:03:50
○ 2026-04-14 15:28:38
●A172.232.112.2212026-04-14 → 2026-04-14 · 3 obs
○ 2026-04-12 16:02:18
● 2026-04-14 15:28:36
● 2026-04-14 15:28:38
○A192.151.148.1152015-11-06 → 2015-11-06 · 3 obs
● 2015-11-06 03:24:36
○ 2016-01-22 21:50:48
○ 2026-04-14 15:28:38
○A209.74.104.762016-01-22 → 2016-01-22 · 4 obs
○ 2015-11-06 03:24:36
● 2016-01-22 21:50:48
○ 2016-07-10 01:32:30
○ 2026-04-14 15:28:38
○A38.239.28.2022026-03-25 → 2026-04-08 · 5 obs
○ 2017-02-16 07:37:00
● 2026-03-25 23:03:50
● 2026-04-08 18:32:10
○ 2026-04-12 16:02:18
○ 2026-04-14 15:28:38
○A63.141.242.2042016-07-10 → 2016-07-10 · 4 obs
○ 2016-01-22 21:50:48
● 2016-07-10 01:32:30
○ 2017-02-16 07:37:00
○ 2026-04-14 15:28:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, e.dns.cn, d.dns.cn...-
jzhelp.cndns7.expirenotification.com, dns8.expirenotification.com-

✅ Authoritative Response

Server:123.58.214.101

NS records: dns7.expirenotification.com, dns8.expirenotification.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jzhelp.cn (unsigned zone)

⏱️ Timing

Total: 1058ms | Queries: -

📄 Records

TypeCountSample Data
A1172.232.112.221

Analysis

IP Addresses

jzhelp.cn points to an IP address: 172.232.112.221.

other host names include gyds.cn, 733.com.cn, xinzhilv.cn, ervymfl.com.cn and bjqxhc.com; they share IP numbers with jzhelp.cn.

Name Servers

Two name servers dns7.expirenotification.com and dns8.expirenotification.com handle the delegation for jzhelp.cn.

jzhelp.cn shares the same name server setup as other domains, for instance faculae.cn, informationtechnology.cn, freeyoo.cn, 021zk.cn and pcpc28.cn.

Host names with a single IP

dns7.expirenotification.com points to 123.58.214.101

dns8.expirenotification.com points to 123.58.214.101

Host names that point to 123.58.214.101: dns7.expirenotification.com and dns8.expirenotification.com