tchtd.com - robtex.com
tchtd.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.hkbn.net ⭐ | ||||||
| A | 203.80.96.8🇭🇰 HKBN203.80.96.0/24 Hong Kong Broadband Network Ltd 15/F Trans Asia Centre 18 Kin Hong Street | ||||||
| PTR | ns5o.ctihk.com | ||||||
| PTR | ns1.hkbn.net | ||||||
| NS | ns2.hkbn.net | ||||||
| A | 203.186.94.21🇭🇰 HKBN203.186.94.0/24 Hong Kong Broadband Network Ltd 15/F Trans Asia Centre 18 Kin Hong Street | ||||||
| PTR | ns2o.ctihk.com | ||||||
| PTR | ns2.hkbn.net | ||||||
| MX | mail.bbmail.com.hk ⭐ | ||||||
| A | 203.185.56.40🇭🇰 HKBN203.185.0.0/18 Hong Kong CTI | ||||||
| PTR | mtai11ctt50142.zpub.incnets.com | ||||||
| A | 203.185.56.41🇭🇰 HKBN203.185.0.0/18 Hong Kong CTI | ||||||
| PTR | mtai12ctt50142.zpub.incnets.com | ||||||
| TXT | v=spf1 include:mail.hkbnes.net include:bbmail.com.hk ~all | ||||||
| SOA | ns1.hkbn.netsysadm@ns1.hkbn.net 2026-01-28 #1 | ||||||
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=1771291435 | ||||||
Same first word
tchtd.com |
Similar names
DNS History
9 records (3 active, 6 former)
○NSf1g1ns1.dnspod.net2016-12-14 → 2016-12-14 · 3 obs
○ 2017-07-08 01:43:50
○ 2026-03-23 17:52:00
○NSf1g1ns2.dnspod.net2016-12-14 → 2016-12-14 · 3 obs
○ 2017-07-08 01:43:50
○ 2026-03-23 17:52:00
○NSns1.fanlilao.com2017-07-08 → 2017-07-08 · 4 obs
● 2017-07-08 01:43:50
○ 2026-03-23 14:52:56
○ 2026-03-23 17:52:00
●NSns1.hkbn.net2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 14:52:56
● 2026-03-23 17:52:00
○NSns2.fanlilao.com2017-07-08 → 2017-07-08 · 4 obs
● 2017-07-08 01:43:50
○ 2026-03-23 14:52:56
○ 2026-03-23 17:52:00
●NSns2.hkbn.net2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 14:52:56
● 2026-03-23 17:52:00
●MXmail.bbmail.com.hk2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 17:52:00
○A23.107.222.2232017-07-08 → 2017-07-08 · 4 obs
● 2017-07-08 01:43:50
○ 2026-03-23 14:52:56
○ 2026-03-23 17:52:00
○A68.64.171.1642016-12-14 → 2016-12-14 · 3 obs
○ 2017-07-08 01:43:50
○ 2026-03-23 17:52:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| tchtd.com | ns1.hkbn.net, ns2.hkbn.net | - |
✅ Authoritative Response
Server:203.80.96.8
NS records: ns1.hkbn.net, ns2.hkbn.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tchtd.com (unsigned zone)
⏱️ Timing
Total: 697ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.hkbn.net, ns2.hkbn.net |
| MX | 1 | mail.bbmail.com.hk (pri: 10) |
| TXT | 1 | v=spf1 include:mail.hkbnes.net include:b |
| SOA | 1 | ns1.hkbn.net sysadm.ns1.hkbn.net |
Analysis
Name Servers
Two name servers ns1.hkbn.net and ns2.hkbn.net handle delegation for tchtd.com.
tchtd.com uses the same name server setup as other domains, for example 232.92.61.in-addr.arpa, 174.10.113.in-addr.arpa, 195.92.61.in-addr.arpa, 46.179.183.in-addr.arpa and 188.177.58.in-addr.arpa.
tchtd.com partially shares name servers with other domains; examples include kscl.com.hk, 90.198.14.in-addr.arpa, 102.80.203.in-addr.arpa, 210.198.14.in-addr.arpa and 44.185.203.in-addr.arpa.
These name servers commonly accompany ns1o.ctihk.com, ns2o.ctihk.com, ns1o.ctimail.com and ns2o.ctimail.com.
Host names with one IP number: The host name ns1.hkbn.net points to 203.80.96.8 and the host name ns2.hkbn.net points to 203.186.94.21.
Mail Servers
tchtd.com is handled by a single mail server, mail.bbmail.com.hk.
tchtd.com has the same mail server setup as other domains, including centralsky.com, merika.com.hk, tattsuen.com, busmax.com and cjex.com.
tchtd.com shares some mail servers with other domains, at least partially, such as tongrentang.com.hk, itthk.com.hk, newttidc.com, faturnace.com and src-asia.com.
These mail servers are often used with the mail servers mail.tongrentang.com.hk.
Host mail.bbmail.com.hk resolves to two IPs: 203.185.56.40 and 203.185.56.41.