sentra.com.hk - robtex.com

sentra.com.hk

DNSSEC⚠️ Not signed
NSns1.no-ip.com ⚠️ Not in zone NS records
A2a07:dc00:1810::53πŸ‡ΊπŸ‡Έ AS299972a07:dc00:1810::/44
PTRns1.no-ip.com
A194.62.181.53πŸ‡ΊπŸ‡Έ AS29997194.62.181.0/24
PTRns1.no-ip.com
NSns2.no-ip.com ⚠️ Not in zone NS records
A2a07:dc00:180::53πŸ‡ΊπŸ‡Έ AS299972a07:dc00:180::/44
PTRns2.no-ip.com
A194.62.180.53πŸ‡ΊπŸ‡Έ AS29997194.62.180.0/24
PTRns2.no-ip.com
NSns3.no-ip.com ⚠️ Not in zone NS records
A2a07:dc00:2550::53πŸ‡ΊπŸ‡Έ AS299972a07:dc00:2550::/44
PTRns3.no-ip.com
A204.16.255.53πŸ‡ΊπŸ‡Έ AS29997204.16.255.0/24 Vultr Customer Route
PTRns3.no-ip.com
NSns4.no-ip.com ⚠️ Not in zone NS records
A2620:0:2e64::53πŸ‡ΊπŸ‡Έ AS299972620:0:2e64::/48 Vitalwerks Internet Solutions, LLC dba No-IP
PTRns4.no-ip.com
A204.16.254.53πŸ‡ΊπŸ‡Έ AS29997204.16.254.0/24 Vultr Customer Route
PTRns4.no-ip.com
NSns5.no-ip.com ⚠️ Not in zone NS records
A194.62.181.53πŸ‡ΊπŸ‡Έ AS29997194.62.181.0/24
PTRns1.no-ip.com

com.hk

DNSSEC⚠️ Not signed
NSns3.hkirc.net.hk ⭐
NSc.hkirc.net.hk ⚠️ Not in parent delegation
NSd.hkirc.net.hk ⚠️ Not in parent delegation
NSm.hkirc.net.hk ⚠️ Not in parent delegation
NSt.hkirc.net.hk ⚠️ Not in parent delegation
NSu.hkirc.net.hk ⚠️ Not in parent delegation
NSv.hkirc.net.hk ⚠️ Not in parent delegation
NSx.hkirc.net.hk ⚠️ Not in parent delegation
NSy.hkirc.net.hk ⚠️ Not in parent delegation
NSz.hkirc.net.hk ⚠️ Not in parent delegation
SOAns3.hkirc.net.hkhostmaster@hkirc.net.hk serial=2073566999
WOT: SAFE (76/100)

Previously MX for

Same first word

Similar names

DNS History

17 records (5 active, 12 former)

20162017201820192020202120222023202420252026NSns1.no-ip.comns2.no-ip.comns3.no-ip.comns4.no-ip.comns5.no-ip.comns1.mydyndns.orgns1143.dns.dyn.comns2185.dns.dyn.comns3148.dns.dyn.comns4198.dns.dyn.comMXmail.sentra.com.hksentra.com.hkA203.198.8.77203.198.88.118203.198.88.136203.198.88.173203.198.88.54
β—‹NSns1.mydyndns.org2015-08-17 β†’ 2016-04-03 Β· 4 obs
● 2015-08-17 17:03:34
● 2016-04-03 07:10:40
β—‹ 2017-03-20 13:53:56
β—‹ 2026-07-10 04:45:30
●NSns1.no-ip.com2017-03-20 β†’ 2026-07-10 Β· 3 obs
β—‹ 2016-04-03 07:10:40
● 2017-03-20 13:53:56
● 2026-07-10 04:45:30
β—‹NSns1143.dns.dyn.com2015-08-17 β†’ 2016-04-03 Β· 4 obs
● 2015-08-17 17:03:34
● 2016-04-03 07:10:40
β—‹ 2017-03-20 13:53:56
β—‹ 2026-07-10 04:45:30
●NSns2.no-ip.com2017-03-20 β†’ 2026-07-10 Β· 3 obs
β—‹ 2016-04-03 07:10:40
● 2017-03-20 13:53:56
● 2026-07-10 04:45:30
β—‹NSns2185.dns.dyn.com2015-08-17 β†’ 2016-04-03 Β· 4 obs
● 2015-08-17 17:03:34
● 2016-04-03 07:10:40
β—‹ 2017-03-20 13:53:56
β—‹ 2026-07-10 04:45:30
●NSns3.no-ip.com2017-03-20 β†’ 2026-07-10 Β· 3 obs
β—‹ 2016-04-03 07:10:40
● 2017-03-20 13:53:56
● 2026-07-10 04:45:30
β—‹NSns3148.dns.dyn.com2015-08-17 β†’ 2016-04-03 Β· 4 obs
● 2015-08-17 17:03:34
● 2016-04-03 07:10:40
β—‹ 2017-03-20 13:53:56
β—‹ 2026-07-10 04:45:30
●NSns4.no-ip.com2017-03-20 β†’ 2026-07-10 Β· 3 obs
β—‹ 2016-04-03 07:10:40
● 2017-03-20 13:53:56
● 2026-07-10 04:45:30
β—‹NSns4198.dns.dyn.com2015-08-17 β†’ 2016-04-03 Β· 4 obs
● 2015-08-17 17:03:34
● 2016-04-03 07:10:40
β—‹ 2017-03-20 13:53:56
β—‹ 2026-07-10 04:45:30
●NSns5.no-ip.com2017-03-20 β†’ 2026-07-10 Β· 3 obs
β—‹ 2016-04-03 07:10:40
● 2017-03-20 13:53:56
● 2026-07-10 04:45:30
β—‹MXmail.sentra.com.hk2017-03-20 β†’ 2019-12-31 Β· 5 obs
β—‹ 2016-04-03 07:10:40
● 2017-03-20 13:53:56
● 2019-12-31 18:18:52
β—‹ 2026-07-03 22:26:16
β—‹ 2026-07-10 04:45:30
β—‹MXsentra.com.hk2015-08-17 β†’ 2016-04-03 Β· 4 obs
● 2015-08-17 17:03:34
● 2016-04-03 07:10:40
β—‹ 2017-03-20 13:53:56
β—‹ 2026-07-10 04:45:30
β—‹A203.198.8.772019-12-31 β†’ 2019-12-31 Β· 4 obs
β—‹ 2017-03-20 13:53:56
● 2019-12-31 18:18:52
β—‹ 2026-07-03 22:26:16
β—‹ 2026-07-10 04:45:30
β—‹A203.198.88.1182016-04-03 β†’ 2016-04-03 Β· 4 obs
β—‹ 2015-12-22 04:29:56
● 2016-04-03 07:10:40
β—‹ 2017-03-20 13:53:56
β—‹ 2026-07-10 04:45:30
β—‹A203.198.88.1362015-08-17 β†’ 2015-08-17 Β· 3 obs
● 2015-08-17 17:03:34
β—‹ 2015-12-22 04:29:56
β—‹ 2026-07-10 04:45:30
β—‹A203.198.88.1732017-03-20 β†’ 2017-03-20 Β· 4 obs
β—‹ 2016-04-03 07:10:40
● 2017-03-20 13:53:56
β—‹ 2019-12-31 18:18:52
β—‹ 2026-07-10 04:45:30
β—‹A203.198.88.542015-12-22 β†’ 2015-12-22 Β· 4 obs
β—‹ 2015-08-17 17:03:34
● 2015-12-22 04:29:56
β—‹ 2016-04-03 07:10:40
β—‹ 2026-07-10 04:45:30

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
hky.hkirc.net.hk, x.hkirc.net.hk, u.hkirc.net.hk, m.hkirc.net.hk...18 records
sentra.com.hkns3.no-ip.com, ns2.no-ip.com, ns5.no-ip.com, ns4.no-ip.com...-

βœ… Authoritative Response

Server:204.16.255.53

NS records: ns3.no-ip.com, ns2.no-ip.com, ns5.no-ip.com, ns4.no-ip.com, ns1.no-ip.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sentra.com.hk (unsigned zone)

⏱️ Timing

Total: 1371ms | Queries: -

πŸ“„ Records

TypeCountSample Data

πŸ“Œ Glue Records Collected

Total: 18

In-bailiwick: 18 (z.hkirc.net.hk, y.hkirc.net.hk, x.hkirc.net.hk...)

Analysis

Name Servers

The authoritative name servers for sentra.com.hk are ns1.no-ip.com, ns2.no-ip.com, ns3.no-ip.com and two others.

sentra.com.hk has at least partial name server overlap with other domains, such as knightlysamusements.com, envisiadirect.net, pixdasorte.com.br and two others.

These name servers are routinely co-deployed with the name servers ns4.no-ip.com, ns5.no-ip.com, static-1.no-ip.com and two others.

Hosts with two IP numbers each:

ns1.no-ip.com directs traffic to 194.62.181.53 and 2a07:dc00:1810::53.

ns2.no-ip.com directs traffic to 194.62.180.53 and 2a07:dc00:180::53.

ns3.no-ip.com directs traffic to 204.16.255.53 and 2a07:dc00:2550::53.

ns4.no-ip.com directs traffic to 204.16.254.53 and 2620:0:2e64::53.

Hosts that resolve to one IP address:

ns5.no-ip.com has the IP address 194.62.181.53.

Both ns1.no-ip.com and ns5.no-ip.com resolve to 194.62.181.53 IP addresses each.