mmail.tw - robtex.com
mmail.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.134.230.142🇹🇼 HiNet220.134.0.0/16 | ||||||
| PTR | 220-134-230-142.hinet-ip.hinet.net | ||||||
| NS | ns1.mmail.tw ⭐ | ||||||
| A | 220.134.230.142🇹🇼 HiNet220.134.0.0/16 | ||||||
| PTR | 220-134-230-142.hinet-ip.hinet.net | ||||||
| MX | mx1.mmail.tw ⭐ | ||||||
| A | 220.134.230.142🇹🇼 HiNet220.134.0.0/16 | ||||||
| PTR | 220-134-230-142.hinet-ip.hinet.net | ||||||
| TXT | v=spf1 ip4:220.134.230.142 -all | ||||||
| SOA | ns1.mmail.twmingjian@mmail.tw serial=120 | ||||||
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw 2011-03-05 #53 | ||||||
Subdomains
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.mmail.tw2026-05-28 → 2026-07-05 · 2 obs
● 2026-07-05 12:03:52
●MXmx1.mmail.tw2026-05-28 → 2026-07-05 · 2 obs
● 2026-07-05 12:03:52
●A220.134.230.1422026-05-28 → 2026-07-05 · 2 obs
● 2026-07-05 12:03:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | b.dns.tw, anytld.apnic.net, d.dns.tw, e.dns.tw... | 16 records |
| mmail.tw | ns1.mmail.tw | 1 record |
✅ Authoritative Response
Server:220.134.230.142
NS records: ns1.mmail.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mmail.tw (unsigned zone)
⏱️ Timing
Total: 1087ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.134.230.142 |
| NS | 1 | ns1.mmail.tw |
| MX | 1 | mx1.mmail.tw (pri: 10) |
| TXT | 1 | v=spf1 ip4:220.134.230.142 -all |
| SOA | 1 | ns1.mmail.tw mingjian.mmail.tw |
📌 Glue Records Collected
Total: 17
In-bailiwick: 15 (a.dns.tw, b.dns.tw, c.dns.tw...)
Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)
Analysis
Hierarchy
ns1.mmail.tw and mx1.mmail.tw are both subdomains of mmail.tw.
IP Addresses
mmail.tw resolves to one IP address: 220.134.230.142.
mmail.tw shares its IP numbers with other host names like ns1.mmail.tw, mx1.mmail.tw and 220-134-230-142.hinet-ip.hinet.net.
Name Servers
mmail.tw has exactly one name server — ns1.mmail.tw.
ns1.mmail.tw directs to just one IP number, 220.134.230.142.
Mail Servers
Mail for mmail.tw is handled by a single mail server, mx1.mmail.tw.
mx1.mmail.tw directs to just one IP number, 220.134.230.142.