mailfilter.opticaltdm.com - robtex.com
mailfilter.opticaltdm.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.71.187.212🇹🇼 HiNet210.71.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mailfilter.hibox.hinet.net | ||||||
opticaltdm.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.234.25.162🇨🇳 WEST263GO-HK219.234.16.0/20 PCCW (Customer Route) | ||||||
| NS | alla.ns.cloudflare.com ⭐ | ||||||
| NS | arnold.ns.cloudflare.com | ||||||
| MX | mailfilter.opticaltdm.com ⭐ | ||||||
| TXT | v=spf1 include:hibox.hinet.net ~all | ||||||
| SOA | alla.ns.cloudflare.comdns@cloudflare.com serial=2399881476 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A210.71.187.2122016-02-24 → 2026-04-13 · 2 obs
● 2016-02-24 20:05:24
● 2026-04-13 11:31:32
● 2026-04-13 11:31:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| opticaltdm.com | alla.ns.cloudflare.com, arnold.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.69
NS records: alla.ns.cloudflare.com, arnold.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opticaltdm.com (unsigned zone)
⏱️ Timing
Total: 94ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.71.187.212 |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (alla.ns.cloudflare.com, alla.ns.cloudflare.com, alla.ns.cloudflare.com...)
Analysis
Mail Server Role
mailfilter.opticaltdm.com serves as the mail server for opticaltdm.com.
IP Addresses
mailfilter.opticaltdm.com points to an IP address: 210.71.187.212.
other host names include mailfilter.taling.com.tw, mailfilter.honghwa.com.tw, mailfilter.yujie.com.tw, mailfilter.evertech.com.tw and mailfilter.utheatre.org.tw; they share IP numbers with mailfilter.opticaltdm.com.