sinhhoc.org - robtex.com

sinhhoc.org

DNSSEC⚠️ Not signed
A103.130.217.58πŸ‡»πŸ‡³ WEBICO-AS-VN103.130.216.0/23 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRh21758.tino.org
NSns1.zonedns.vn ⭐
A2401:c080:1400:1cd4:5400:5ff:fe80:ec33πŸ‡ΈπŸ‡¬ AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix
A64.176.84.220πŸ‡ΈπŸ‡¬ AS-VULTR64.176.80.0/20 Vultr Assigned Prefix
PTRns1.zonedns.vn
NSns2.zonedns.vn
A2401:c080:1400:1cd4:5400:5ff:fe80:ec33πŸ‡ΈπŸ‡¬ AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix
A103.176.178.51πŸ‡»πŸ‡³ NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN
NSns3.zonedns.vn
A2001:df1:3200::15πŸ‡»πŸ‡³ NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN
A103.28.36.30πŸ‡»πŸ‡³ NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN
NSns4.zonedns.vn ⚠️ Not in zone NS records
A2001:df1:3200::15πŸ‡»πŸ‡³ NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN
A103.28.39.159πŸ‡»πŸ‡³ NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN
MXsinhhoc.org ⭐
A103.130.217.58πŸ‡»πŸ‡³ WEBICO-AS-VN103.130.216.0/23 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRh21758.tino.org
SOAns1.zonedns.vnroot@sinhhoc.org 2021-03-21 #7

org

DNSSECπŸ”’ Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1776105168

MX for

Subdomains

Same first word

Similar names

DNS History

27 records (6 active, 21 former)

2017201820192020202120222023202420252026NSns1.zonedns.vnns2.zonedns.vnns3.zonedns.vnns4.zonedns.vnns-a1.cloud.z.comns-a2.cloud.z.comns-a3.cloud.z.comns-bak.vdns.vnns1.digistar.vnns1.freedns.vnns1.visiondns.netns2.digistar.vnns2.freedns.vnns2.visiondns.netMXsinhhoc.orgmail.sinhhoc.orgmx01.wh.sin1.cloud.z.comA103.130.217.58103.254.12.55119.81.176.146163.44.136.42163.44.136.47216.239.32.21216.239.34.21216.239.36.21216.239.38.21CNAMEredir.freedns.vn
β—‹NSns-a1.cloud.z.com2016-12-01 β†’ 2016-12-23 Β· 5 obs
β—‹ 2016-11-14 12:25:12
● 2016-12-01 13:01:36
● 2016-12-23 00:48:00
β—‹ 2017-12-06 14:24:28
β—‹ 2026-04-13 18:42:28
β—‹NSns-a2.cloud.z.com2016-12-01 β†’ 2016-12-23 Β· 5 obs
β—‹ 2016-11-14 12:25:12
● 2016-12-01 13:01:36
● 2016-12-23 00:48:00
β—‹ 2017-12-06 14:24:28
β—‹ 2026-04-13 18:42:28
β—‹NSns-a3.cloud.z.com2016-12-01 β†’ 2016-12-23 Β· 5 obs
β—‹ 2016-11-14 12:25:12
● 2016-12-01 13:01:36
● 2016-12-23 00:48:00
β—‹ 2017-12-06 14:24:28
β—‹ 2026-04-13 18:42:28
β—‹NSns-bak.vdns.vn2016-04-07 β†’ 2016-10-18 Β· 4 obs
● 2016-04-07 22:37:24
● 2016-10-18 21:45:30
β—‹ 2016-11-14 12:25:12
β—‹ 2026-04-13 18:42:28
β—‹NSns1.digistar.vn2017-12-06 β†’ 2017-12-06 Β· 4 obs
β—‹ 2016-12-23 00:48:00
● 2017-12-06 14:24:28
β—‹ 2026-03-26 15:15:10
β—‹ 2026-04-13 18:42:28
β—‹NSns1.freedns.vn2016-11-14 β†’ 2016-11-14 Β· 4 obs
β—‹ 2016-10-18 21:45:30
● 2016-11-14 12:25:12
β—‹ 2016-12-01 13:01:36
β—‹ 2026-04-13 18:42:28
β—‹NSns1.visiondns.net2016-04-07 β†’ 2016-10-18 Β· 4 obs
● 2016-04-07 22:37:24
● 2016-10-18 21:45:30
β—‹ 2016-11-14 12:25:12
β—‹ 2026-04-13 18:42:28
●NSns1.zonedns.vn2026-03-26 β†’ 2026-04-13 Β· 3 obs
β—‹ 2017-12-06 14:24:28
● 2026-03-26 15:15:10
● 2026-04-13 18:42:28
β—‹NSns2.digistar.vn2017-12-06 β†’ 2017-12-06 Β· 4 obs
β—‹ 2016-12-23 00:48:00
● 2017-12-06 14:24:28
β—‹ 2026-03-26 15:15:10
β—‹ 2026-04-13 18:42:28
β—‹NSns2.freedns.vn2016-11-14 β†’ 2016-11-14 Β· 4 obs
β—‹ 2016-10-18 21:45:30
● 2016-11-14 12:25:12
β—‹ 2016-12-01 13:01:36
β—‹ 2026-04-13 18:42:28
β—‹NSns2.visiondns.net2016-04-07 β†’ 2016-10-18 Β· 4 obs
● 2016-04-07 22:37:24
● 2016-10-18 21:45:30
β—‹ 2016-11-14 12:25:12
β—‹ 2026-04-13 18:42:28
●NSns2.zonedns.vn2026-03-26 β†’ 2026-04-13 Β· 3 obs
β—‹ 2017-12-06 14:24:28
● 2026-03-26 15:15:10
● 2026-04-13 18:42:28
●NSns3.zonedns.vn2026-03-26 β†’ 2026-04-13 Β· 3 obs
β—‹ 2017-12-06 14:24:28
● 2026-03-26 15:15:10
● 2026-04-13 18:42:28
●NSns4.zonedns.vn2026-03-26 β†’ 2026-04-13 Β· 3 obs
β—‹ 2017-12-06 14:24:28
● 2026-03-26 15:15:10
● 2026-04-13 18:42:28
β—‹MXmail.sinhhoc.org2017-12-06 β†’ 2017-12-06 Β· 4 obs
β—‹ 2016-12-23 00:48:00
● 2017-12-06 14:24:28
β—‹ 2026-03-26 15:15:10
β—‹ 2026-04-13 18:42:28
β—‹MXmx01.wh.sin1.cloud.z.com2016-12-01 β†’ 2016-12-23 Β· 4 obs
● 2016-12-01 13:01:36
● 2016-12-23 00:48:00
β—‹ 2017-12-06 14:24:28
β—‹ 2026-04-13 18:42:28
●MXsinhhoc.org2026-03-26 β†’ 2026-04-13 Β· 3 obs
β—‹ 2017-12-06 14:24:28
● 2026-03-26 15:15:10
● 2026-04-13 18:42:28
●A103.130.217.582026-03-26 β†’ 2026-04-13 Β· 3 obs
β—‹ 2017-12-06 14:24:28
● 2026-03-26 15:15:10
● 2026-04-13 18:42:28
β—‹A103.254.12.552017-12-06 β†’ 2017-12-06 Β· 4 obs
β—‹ 2016-12-23 00:48:00
● 2017-12-06 14:24:28
β—‹ 2026-03-26 15:15:10
β—‹ 2026-04-13 18:42:28
β—‹A119.81.176.1462016-11-14 β†’ 2016-11-14 Β· 4 obs
β—‹ 2016-10-18 21:45:30
● 2016-11-14 12:25:12
β—‹ 2016-12-01 13:01:36
β—‹ 2026-04-13 18:42:28
β—‹A163.44.136.422016-12-01 β†’ 2016-12-12 Β· 5 obs
β—‹ 2016-11-14 12:25:12
● 2016-12-01 13:01:36
● 2016-12-12 10:03:34
β—‹ 2016-12-18 23:43:12
β—‹ 2026-04-13 18:42:28
β—‹A163.44.136.472016-12-18 β†’ 2016-12-23 Β· 5 obs
β—‹ 2016-12-12 10:03:34
● 2016-12-18 23:43:12
● 2016-12-23 00:48:00
β—‹ 2017-12-06 14:24:28
β—‹ 2026-04-13 18:42:28
β—‹A216.239.32.212016-04-07 β†’ 2016-10-18 Β· 4 obs
● 2016-04-07 22:37:24
● 2016-10-18 21:45:30
β—‹ 2016-11-14 12:25:12
β—‹ 2026-04-13 18:42:28
β—‹A216.239.34.212016-04-07 β†’ 2016-10-18 Β· 4 obs
● 2016-04-07 22:37:24
● 2016-10-18 21:45:30
β—‹ 2016-11-14 12:25:12
β—‹ 2026-04-13 18:42:28
β—‹A216.239.36.212016-04-07 β†’ 2016-10-18 Β· 4 obs
● 2016-04-07 22:37:24
● 2016-10-18 21:45:30
β—‹ 2016-11-14 12:25:12
β—‹ 2026-04-13 18:42:28
β—‹A216.239.38.212016-04-07 β†’ 2016-10-18 Β· 4 obs
● 2016-04-07 22:37:24
● 2016-10-18 21:45:30
β—‹ 2016-11-14 12:25:12
β—‹ 2026-04-13 18:42:28
β—‹CNAMEredir.freedns.vn2016-11-14 β†’ 2016-11-14 Β· 3 obs
● 2016-11-14 12:25:12
β—‹ 2016-12-01 13:01:36
β—‹ 2026-04-13 18:42:28

πŸ” DNS Trace

Analysis

Hierarchy

sinhhoc.org is the parent of mail.sinhhoc.org.

Mail Server Role

sinhhoc.org serves as the mail server for sinhhoc.org.

IP Addresses

sinhhoc.org resolves to a single IP address: 103.130.217.58.

Other host names including auvietjsc.com, gomhay.com, _dc-mx.af1c86080d66.trangs.net, hightech.vn and maycongnghiep.org.vn share IP numbers with sinhhoc.org.

Name Servers

sinhhoc.org is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.

sinhhoc.org at least partially shares name servers with other domains, including topartvietnam.com, kind.vn, fillplas.com, raffles-international-college-hanoi.edu.vn and linhkienvienthong.vn.

These name servers are commonly used with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.

Host names with two IP numbers:

ns1.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220.

ns2.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51.

ns3.zonedns.vn points to: 2001:df1:3200::15 and 103.28.36.30.

ns4.zonedns.vn points to: 2001:df1:3200::15 and 103.28.39.159.

Names pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn.

Names pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn.

Mail Servers

A single mail server handles sinhhoc.org.

sinhhoc.org points to a single IP: 103.130.217.58.