51second.com - robtex.com

51second.com

DNSSEC⚠️ Not signed
NSns1.4.cn ⚠️ Not in zone NS records
A107.167.27.66🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route)
NSns2.4.cn ⚠️ Not in zone NS records
A208.98.43.66🇺🇸 SHARKTECH-1208.98.43.0/24
PTRjensenstilbud.com

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=1783055931
📈 Tranco rank: #850,056

Subdomains

hami.51second.com
baoding.51second.com
vip.51second.com
zhongwei.51second.com
yc.51second.com
ali.51second.com

Same first word

51second.com

DNS History

36 records (2 active, 34 former)

20162017201820192020202120222023202420252026NSns1.4.cnns2.4.cnns11.72dns.comns12.72dns.comns3.72dns.comns4.idc1.cnwww.51second.comA122.114.18.11122.114.18.112122.114.18.42122.114.18.63122.114.18.71208.98.40.202208.98.40.208208.98.40.209208.98.40.21208.98.40.210208.98.40.211208.98.40.213208.98.40.26208.98.40.27208.98.40.31208.98.40.38208.98.40.40208.98.40.80208.98.40.95208.98.40.96208.98.40.97208.98.43.15208.98.43.16208.98.43.17208.98.43.71208.98.43.73208.98.43.74208.98.43.77208.98.43.79
●NSns1.4.cn2026-02-15 → 2026-07-03 · 3 obs
○ 2018-08-01 08:08:18
● 2026-02-15 18:51:32
● 2026-07-03 05:31:48
○NSns11.72dns.com2018-08-01 → 2018-08-01 · 4 obs
○ 2017-01-14 01:48:46
● 2018-08-01 08:08:18
○ 2026-02-15 18:51:32
○ 2026-07-03 05:31:48
○NSns12.72dns.com2018-08-01 → 2018-08-01 · 4 obs
○ 2017-01-14 01:48:46
● 2018-08-01 08:08:18
○ 2026-02-15 18:51:32
○ 2026-07-03 05:31:48
●NSns2.4.cn2026-02-15 → 2026-07-03 · 3 obs
○ 2018-08-01 08:08:18
● 2026-02-15 18:51:32
● 2026-07-03 05:31:48
○NSns3.72dns.com2015-08-10 → 2017-01-14 · 4 obs
● 2015-08-10 01:15:36
● 2017-01-14 01:48:46
○ 2018-08-01 08:08:18
○ 2026-07-03 05:31:48
○NSns4.idc1.cn2015-08-10 → 2017-01-14 · 4 obs
● 2015-08-10 01:15:36
● 2017-01-14 01:48:46
○ 2018-08-01 08:08:18
○ 2026-07-03 05:31:48
○NSwww.51second.com2026-02-15 → 2026-02-15 · 4 obs
○ 2018-08-01 08:08:18
● 2026-02-15 18:51:32
○ 2026-07-02 05:48:12
○ 2026-07-03 05:31:48
○A122.114.18.112018-08-01 → 2018-08-01 · 4 obs
○ 2017-01-14 01:48:46
● 2018-08-01 08:08:18
○ 2026-02-15 18:51:32
○ 2026-07-03 05:31:48
○A122.114.18.1122015-08-10 → 2015-08-10 · 3 obs
● 2015-08-10 01:15:36
○ 2015-11-27 18:12:24
○ 2026-07-03 05:31:48
○A122.114.18.422016-05-30 → 2016-05-30 · 4 obs
○ 2015-11-27 18:12:24
● 2016-05-30 05:53:04
○ 2017-01-14 01:48:46
○ 2026-07-03 05:31:48
○A122.114.18.632017-01-14 → 2017-01-14 · 4 obs
○ 2016-05-30 05:53:04
● 2017-01-14 01:48:46
○ 2018-08-01 08:08:18
○ 2026-07-03 05:31:48
○A122.114.18.712015-11-27 → 2015-11-27 · 4 obs
○ 2015-08-10 01:15:36
● 2015-11-27 18:12:24
○ 2016-05-30 05:53:04
○ 2026-07-03 05:31:48
○A208.98.40.2022026-06-15 → 2026-06-15 · 4 obs
○ 2026-06-14 22:03:08
● 2026-06-15 14:36:22
○ 2026-06-23 13:51:00
○ 2026-07-03 05:31:48
○A208.98.40.2082026-02-21 → 2026-04-10 · 8 obs
○ 2026-02-20 12:50:54
● 2026-02-21 01:09:06
○ 2026-02-21 12:18:12
○ 2026-03-30 05:21:10
● 2026-03-30 17:09:16
● 2026-04-10 11:16:30
○ 2026-05-04 01:56:40
○ 2026-07-03 05:31:48
○A208.98.40.2092026-02-23 → 2026-06-23 · 6 obs
○ 2026-02-21 12:18:12
● 2026-02-23 04:34:52
○ 2026-02-27 22:43:16
● 2026-06-23 17:15:52
○ 2026-06-27 00:21:34
○ 2026-07-03 05:31:48
○A208.98.40.212026-02-17 → 2026-03-05 · 7 obs
○ 2026-02-17 06:35:34
● 2026-02-17 16:27:28
○ 2026-02-18 10:32:52
○ 2026-02-28 00:51:24
● 2026-03-05 22:56:52
○ 2026-03-13 04:56:34
○ 2026-07-03 05:31:48
○A208.98.40.2102026-05-04 → 2026-05-04 · 4 obs
○ 2026-04-10 11:16:30
● 2026-05-04 01:56:40
○ 2026-05-08 15:38:50
○ 2026-07-03 05:31:48
○A208.98.40.2112026-02-20 → 2026-02-20 · 5 obs
○ 2026-02-15 18:51:32
○ 2026-02-18 10:32:52
● 2026-02-20 12:50:54
○ 2026-02-21 01:09:06
○ 2026-07-03 05:31:48
○A208.98.40.2132026-02-16 → 2026-02-16 · 4 obs
○ 2026-02-15 18:51:32
● 2026-02-16 08:23:06
○ 2026-02-17 06:35:34
○ 2026-07-03 05:31:48
○A208.98.40.262026-02-21 → 2026-02-21 · 4 obs
○ 2026-02-21 01:09:06
● 2026-02-21 12:18:12
○ 2026-02-23 04:34:52
○ 2026-07-03 05:31:48
○A208.98.40.272026-02-17 → 2026-02-17 · 4 obs
○ 2026-02-16 08:23:06
● 2026-02-17 06:35:34
○ 2026-02-17 16:27:28
○ 2026-07-03 05:31:48
○A208.98.40.312026-02-15 → 2026-02-15 · 4 obs
○ 2018-08-01 08:08:18
● 2026-02-15 18:51:32
○ 2026-02-16 08:23:06
○ 2026-07-03 05:31:48
○A208.98.40.382026-02-18 → 2026-02-28 · 7 obs
○ 2026-02-17 16:27:28
● 2026-02-18 10:32:52
○ 2026-02-20 12:50:54
○ 2026-02-27 22:43:16
● 2026-02-28 00:51:24
○ 2026-03-05 22:56:52
○ 2026-07-03 05:31:48
○A208.98.40.402026-02-27 → 2026-02-27 · 4 obs
○ 2026-02-23 04:34:52
● 2026-02-27 22:43:16
○ 2026-02-28 00:51:24
○ 2026-07-03 05:31:48
○A208.98.40.802026-06-14 → 2026-06-14 · 4 obs
○ 2026-05-17 10:13:08
● 2026-06-14 22:03:08
○ 2026-06-15 14:36:22
○ 2026-07-03 05:31:48
○A208.98.40.952026-07-02 → 2026-07-02 · 4 obs
○ 2026-06-30 20:13:40
● 2026-07-02 00:25:48
○ 2026-07-02 05:48:12
○ 2026-07-03 05:31:48
○A208.98.40.962026-06-30 → 2026-06-30 · 4 obs
○ 2026-06-27 00:21:34
● 2026-06-30 12:05:58
○ 2026-06-30 20:13:40
○ 2026-07-03 05:31:48
○A208.98.40.972026-06-30 → 2026-06-30 · 4 obs
○ 2026-06-30 12:05:58
● 2026-06-30 20:13:40
○ 2026-07-02 00:25:48
○ 2026-07-03 05:31:48
○A208.98.43.152026-03-14 → 2026-03-14 · 4 obs
○ 2026-03-13 04:56:34
● 2026-03-14 05:40:22
○ 2026-03-17 03:57:00
○ 2026-07-03 05:31:48
○A208.98.43.162026-03-13 → 2026-03-24 · 7 obs
○ 2026-03-05 22:56:52
● 2026-03-13 04:56:34
○ 2026-03-14 05:40:22
○ 2026-03-20 08:44:16
● 2026-03-24 02:18:30
○ 2026-03-30 05:21:10
○ 2026-07-03 05:31:48
○A208.98.43.172026-06-27 → 2026-06-27 · 4 obs
○ 2026-06-23 17:15:52
● 2026-06-27 00:21:34
○ 2026-06-30 12:05:58
○ 2026-07-03 05:31:48
○A208.98.43.712026-06-23 → 2026-06-23 · 4 obs
○ 2026-06-15 14:36:22
● 2026-06-23 13:51:00
○ 2026-06-23 17:15:52
○ 2026-07-03 05:31:48
○A208.98.43.732026-03-20 → 2026-03-20 · 4 obs
○ 2026-03-20 07:27:20
● 2026-03-20 08:44:16
○ 2026-03-24 02:18:30
○ 2026-07-03 05:31:48
○A208.98.43.742026-05-17 → 2026-05-17 · 4 obs
○ 2026-05-08 15:38:50
● 2026-05-17 10:13:08
○ 2026-06-14 22:03:08
○ 2026-07-03 05:31:48
○A208.98.43.772026-05-08 → 2026-05-08 · 4 obs
○ 2026-05-04 01:56:40
● 2026-05-08 15:38:50
○ 2026-05-17 10:13:08
○ 2026-07-03 05:31:48
○A208.98.43.792026-03-17 → 2026-03-30 · 8 obs
○ 2026-03-14 05:40:22
● 2026-03-17 03:57:00
● 2026-03-20 07:27:20
○ 2026-03-20 08:44:16
○ 2026-03-24 02:18:30
● 2026-03-30 05:21:10
○ 2026-03-30 17:09:16
○ 2026-07-03 05:31:48

🔍 DNS Trace

Analysis

Hierarchy

The host names hami.51second.com, baoding.51second.com, vip.51second.com, zhongwei.51second.com and yc.51second.com — among a few others — fall under the parent domain 51second.com.

Name Servers

51second.com uses two name servers for its delegation: ns1.4.cn and ns2.4.cn.

The name server configuration of 51second.com is shared with other domains, for instance adsage.cn, 79live.com, 35770.com and two others.

At least some of 51second.com's name servers are shared with other domains, for example d626.com, cygame.net, tubao.com.cn and two more.

These name servers tend to be deployed in combination with the name servers ns3.4.cn and ns4.4.cn.

Each of ns1.4.cn and ns2.4.cn has one IP address: ns1.4.cn uses 107.167.27.66 and ns2.4.cn uses 208.98.43.66.