nrihk.com - robtex.com
nrihk.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | bbdns1.on-nets.com ⭐ | ||||||
| A | 118.143.251.105🇭🇰 HUTCHISON-AS-AP118.143.251.0/24 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | dnshost1.on-nets.com | ||||||
| NS | bbdns2.on-nets.com | ||||||
| A | 203.184.245.105🇭🇰 HUTCHISON-AS-AP203.184.245.0/24 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | dnshost2.on-nets.com | ||||||
| MX | mail.nrihk.com ⭐ | ||||||
| A | 210.0.240.6🇭🇰 HUTCHISON-AS-AP210.0.192.0/18 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| MX | relay.on-nets.com(100) | ||||||
| A | 210.0.227.75🇭🇰 HUTCHISON-AS-AP210.0.227.0/24 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| A | 210.0.255.153🇭🇰 HUTCHISON-AS-AP210.0.192.0/18 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| A | 210.0.255.167🇭🇰 HUTCHISON-AS-AP210.0.192.0/18 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| SOA | bbdns1.on-nets.comdns@on-nets.com 2017-07-31 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778340216 | ||||||
Subdomains
Same first word
nrihk.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSbbdns1.on-nets.com2015-06-27 → 2026-05-09 · 2 obs
● 2026-05-09 15:49:56
●NSbbdns2.on-nets.com2015-06-27 → 2026-05-09 · 2 obs
● 2026-05-09 15:49:56
●MXmail.nrihk.com2015-06-27 → 2026-05-09 · 2 obs
● 2026-05-09 15:49:56
●MXrelay.on-nets.com2015-06-27 → 2026-05-09 · 2 obs
● 2026-05-09 15:49:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| nrihk.com | bbdns1.on-nets.com, bbdns2.on-nets.com | 2 records |
✅ Authoritative Response
Server:118.143.251.105
NS records: bbdns1.on-nets.com, bbdns2.on-nets.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nrihk.com (unsigned zone)
⏱️ Timing
Total: 863ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | bbdns1.on-nets.com, bbdns2.on-nets.com |
| MX | 2 | relay.on-nets.com (pri: 100), mail.nrihk.com (pri: 10) |
| SOA | 1 | bbdns1.on-nets.com dns.on-nets.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (bbdns1.on-nets.com, bbdns2.on-nets.com)
Analysis
Hierarchy
nrihk.com is a parent of www.nrihk.com and mail.nrihk.com.
Name Servers
nrihk.com is delegated to two name servers: bbdns1.on-nets.com and bbdns2.on-nets.com.
nrihk.com uses the same name server setup as other domains, including jfk.edu.hk, twyky.edu.hk, bbs-250-234-189-218.on-nets.com, 65.142.118.in-addr.arpa and ebenezer-es.edu.hk.
nrihk.com shares name servers with other domains, at least partially; for example onepdf.net and omnisys.com.hk.
Hostnames with a single IP
bbdns1.on-nets.com resolves to: 118.143.251.105.
bbdns2.on-nets.com resolves to: 203.184.245.105.
Mail Servers
nrihk.com is handled by two mail servers: mail.nrihk.com and relay.on-nets.com.
nrihk.com shares at least some mail servers with other domains, for example wilgrist.com, dnc.gov.hk, staff.tvb.com, altrust.com.hk and 3rdi.com.sg.
These mail servers are often used with the mail servers mailgw3.hkelectric.com, mailgw4.hkelectric.com, mailgw1.hkelectric.com, mailgw2.hkelectric.com, owa01.tvb.com.hk, owa04.tvb.com.hk, relay.tvb.com.hk, smtp1.tvb.com.hk, mailgw1.hec.com.hk and mailgw2.hec.com.hk.
Host names with three IP numbers:
relay.on-nets.com points to: 210.0.227.75, 210.0.255.153 and 210.0.255.167.
Host names with one IP number:
mail.nrihk.com points to: 210.0.240.6.