smtp04b.on-nets.com - robtex.com
smtp04b.on-nets.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.0.255.164🇭🇰 HUTCHISON-AS-AP210.0.192.0/18 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | smtp03.hgcbroadband.com | ||||||
| PTR | smtp03.net-yan.com | ||||||
on-nets.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.0.255.233🇭🇰 HUTCHISON-AS-AP210.0.192.0/18 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| NS | bbdns1.on-nets.com ⭐ | ||||||
| NS | bbdns2.on-nets.com | ||||||
| NS | dnshost1.on-nets.com | ||||||
| NS | dnshost2.on-nets.com | ||||||
| MX | mx13a.hgcbizmail.com ⭐ | ||||||
| MX | mx13b.hgcbizmail.com ⭐ | ||||||
| TXT | v=spf1 include:senderid.hgcbizmail.com ~all | ||||||
| SOA | bbdns1.on-nets.comdns@on-nets.com 2023-06-13 #11 | ||||||
DNS History
1 record (1 active, 0 former)
●A210.0.255.1642015-05-28 → 2026-04-14 · 2 obs
● 2015-05-28 06:07:32
● 2026-04-14 15:41:16
● 2026-04-14 15:41:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| on-nets.com | bbdns1.on-nets.com, bbdns2.on-nets.com, dnshost1.on-nets.com, dnshost2.on-nets.com | 4 records |
✅ Authoritative Response
Server:203.184.245.105
NS records: bbdns1.on-nets.com, bbdns2.on-nets.com, dnshost1.on-nets.com, dnshost2.on-nets.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3734ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.0.255.164 |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (bbdns1.on-nets.com, bbdns2.on-nets.com, dnshost1.on-nets.com...)
Analysis
IP Addresses
smtp04b.on-nets.com resolves to a single IP: 210.0.255.164.
Other host names, for instance, mail02.on-nets.com and safetygodown.com.hk share IP numbers with smtp04b.on-nets.com.