sentra.com.hk - robtex.com
sentra.com.hk
| DNSSEC | β οΈ Not signed | ||||||
| NS | ns1.no-ip.com β οΈ Not in zone NS records | ||||||
| A | 2a07:dc00:1810::53πΊπΈ AS299972a07:dc00:1810::/44 | ||||||
| PTR | ns1.no-ip.com | ||||||
| A | 194.62.181.53πΊπΈ AS29997194.62.181.0/24 | ||||||
| PTR | ns1.no-ip.com | ||||||
| NS | ns2.no-ip.com β οΈ Not in zone NS records | ||||||
| A | 2a07:dc00:180::53πΊπΈ AS299972a07:dc00:180::/44 | ||||||
| PTR | ns2.no-ip.com | ||||||
| A | 194.62.180.53πΊπΈ AS29997194.62.180.0/24 | ||||||
| PTR | ns2.no-ip.com | ||||||
| NS | ns3.no-ip.com β οΈ Not in zone NS records | ||||||
| A | 2a07:dc00:2550::53πΊπΈ AS299972a07:dc00:2550::/44 | ||||||
| PTR | ns3.no-ip.com | ||||||
| A | 204.16.255.53πΊπΈ AS29997204.16.255.0/24 Vultr Customer Route | ||||||
| PTR | ns3.no-ip.com | ||||||
| NS | ns4.no-ip.com β οΈ Not in zone NS records | ||||||
| A | 2620:0:2e64::53πΊπΈ AS299972620:0:2e64::/48 Vitalwerks Internet Solutions, LLC dba No-IP | ||||||
| PTR | ns4.no-ip.com | ||||||
| A | 204.16.254.53πΊπΈ AS29997204.16.254.0/24 Vultr Customer Route | ||||||
| PTR | ns4.no-ip.com | ||||||
| NS | ns5.no-ip.com β οΈ Not in zone NS records | ||||||
| A | 194.62.181.53πΊπΈ AS29997194.62.181.0/24 | ||||||
| PTR | ns1.no-ip.com | ||||||
com.hk
| DNSSEC | β οΈ Not signed | ||||||
| NS | ns3.hkirc.net.hk β | ||||||
| NS | c.hkirc.net.hk β οΈ Not in parent delegation | ||||||
| NS | d.hkirc.net.hk β οΈ Not in parent delegation | ||||||
| NS | m.hkirc.net.hk β οΈ Not in parent delegation | ||||||
| NS | t.hkirc.net.hk β οΈ Not in parent delegation | ||||||
| NS | u.hkirc.net.hk β οΈ Not in parent delegation | ||||||
| NS | v.hkirc.net.hk β οΈ Not in parent delegation | ||||||
| NS | x.hkirc.net.hk β οΈ Not in parent delegation | ||||||
| NS | y.hkirc.net.hk β οΈ Not in parent delegation | ||||||
| NS | z.hkirc.net.hk β οΈ Not in parent delegation | ||||||
| SOA | ns3.hkirc.net.hkhostmaster@hkirc.net.hk serial=2073566999 | ||||||
Previously MX for
sentra.com.hk |
Same first word
Similar names
DNS History
17 records (5 active, 12 former)
βNSns1.mydyndns.org2015-08-17 β 2016-04-03 Β· 4 obs
β 2016-04-03 07:10:40
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βNSns1.no-ip.com2017-03-20 β 2026-07-10 Β· 3 obs
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βNSns1143.dns.dyn.com2015-08-17 β 2016-04-03 Β· 4 obs
β 2016-04-03 07:10:40
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βNSns2.no-ip.com2017-03-20 β 2026-07-10 Β· 3 obs
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βNSns2185.dns.dyn.com2015-08-17 β 2016-04-03 Β· 4 obs
β 2016-04-03 07:10:40
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βNSns3.no-ip.com2017-03-20 β 2026-07-10 Β· 3 obs
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βNSns3148.dns.dyn.com2015-08-17 β 2016-04-03 Β· 4 obs
β 2016-04-03 07:10:40
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βNSns4.no-ip.com2017-03-20 β 2026-07-10 Β· 3 obs
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βNSns4198.dns.dyn.com2015-08-17 β 2016-04-03 Β· 4 obs
β 2016-04-03 07:10:40
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βNSns5.no-ip.com2017-03-20 β 2026-07-10 Β· 3 obs
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βMXmail.sentra.com.hk2017-03-20 β 2019-12-31 Β· 5 obs
β 2017-03-20 13:53:56
β 2019-12-31 18:18:52
β 2026-07-03 22:26:16
β 2026-07-10 04:45:30
βMXsentra.com.hk2015-08-17 β 2016-04-03 Β· 4 obs
β 2016-04-03 07:10:40
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βA203.198.8.772019-12-31 β 2019-12-31 Β· 4 obs
β 2019-12-31 18:18:52
β 2026-07-03 22:26:16
β 2026-07-10 04:45:30
βA203.198.88.1182016-04-03 β 2016-04-03 Β· 4 obs
β 2016-04-03 07:10:40
β 2017-03-20 13:53:56
β 2026-07-10 04:45:30
βA203.198.88.1362015-08-17 β 2015-08-17 Β· 3 obs
β 2015-12-22 04:29:56
β 2026-07-10 04:45:30
βA203.198.88.1732017-03-20 β 2017-03-20 Β· 4 obs
β 2017-03-20 13:53:56
β 2019-12-31 18:18:52
β 2026-07-10 04:45:30
βA203.198.88.542015-12-22 β 2015-12-22 Β· 4 obs
β 2015-12-22 04:29:56
β 2016-04-03 07:10:40
β 2026-07-10 04:45:30
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| hk | y.hkirc.net.hk, x.hkirc.net.hk, u.hkirc.net.hk, m.hkirc.net.hk... | 18 records |
| sentra.com.hk | ns3.no-ip.com, ns2.no-ip.com, ns5.no-ip.com, ns4.no-ip.com... | - |
β 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
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for sentra.com.hk (unsigned zone)
β±οΈ Timing
Total: 1371ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|
π 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.