dfcom.com.tw - dns.ninja
dfcom.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.84.217.22🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so217-22.static.asiawhere.com | ||||||
| NS | ns1.vhs100.com ⭐ | ||||||
| A | 219.84.199.1🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so199-1.asiawhere.com | ||||||
| NS | ns2.vhs100.com | ||||||
| A | 219.84.199.2🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so199-2.asiawhere.com | ||||||
| NS | ns3.vhs100.com ⚠️ Not in parent delegation | ||||||
| A | 61.56.223.218🇹🇼 NCIC-TW61.56.223.0/24 Far Eastone Telecommunications Co., Ltd | ||||||
| PTR | fa223-218.asiawhere.com | ||||||
| NS | ns4.vhs100.com ⚠️ Not in parent delegation | ||||||
| A | 61.56.223.219🇹🇼 NCIC-TW61.56.223.0/24 Far Eastone Telecommunications Co., Ltd | ||||||
| PTR | fa223-219.asiawhere.com | ||||||
| MX | mail.dfcom.com.tw ⭐ | ||||||
| A | 219.84.217.22🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so217-22.static.asiawhere.com | ||||||
| TXT | v=spf1 a mx ip4:219.84.217.22 ?all | ||||||
| SOA | ns1.vhs100.comtz\@com.hotmail.com serial=1606357775 | ||||||
com.tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| NS | anytld.apnic.net | ||||||
| NS | b.twnic.net.tw | ||||||
| NS | c.twnic.net.tw | ||||||
| NS | d.twnic.net.tw | ||||||
| NS | e.twnic.net.tw | ||||||
| NS | f.twnic.net.tw | ||||||
| NS | g.twnic.net.tw | ||||||
| NS | h.dns.tw | ||||||
| NS | h.twnic.net.tw | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006389495 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
●NSns1.vhs100.com2017-01-26 → 2026-08-06 · 3 obs
● 2017-01-26 08:51:54
● 2026-08-06 03:37:48
●NSns2.vhs100.com2017-01-26 → 2026-08-06 · 3 obs
● 2017-01-26 08:51:54
● 2026-08-06 03:37:48
●NSns3.vhs100.com2021-10-25 → 2026-08-06 · 3 obs
● 2021-10-25 10:02:22
● 2026-08-06 03:37:48
●NSns4.vhs100.com2021-10-25 → 2026-08-06 · 3 obs
● 2021-10-25 10:02:22
● 2026-08-06 03:37:48
○NSvns20.dbiz168.com2015-08-26 → 2016-12-16 · 4 obs
● 2016-12-16 04:45:24
○ 2017-01-26 08:51:54
○ 2026-08-06 03:37:48
○NSvns21.dbiz168.com2015-08-26 → 2016-12-16 · 4 obs
● 2016-12-16 04:45:24
○ 2017-01-26 08:51:54
○ 2026-08-06 03:37:48
●MXmail.dfcom.com.tw2015-08-26 → 2026-08-06 · 2 obs
● 2026-08-06 03:37:48
○A219.84.217.202015-08-26 → 2017-04-25 · 4 obs
● 2017-04-25 19:57:18
○ 2017-07-10 18:37:00
○ 2026-08-06 03:37:48
●A219.84.217.222017-07-10 → 2026-08-06 · 3 obs
● 2017-07-10 18:37:00
● 2026-08-06 03:37:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | anytld.apnic.net, g.twnic.net.tw, a.twnic.net.tw, h.twnic.net.tw... | - |
| dfcom.com.tw | ns2.vhs100.com, ns1.vhs100.com | - |
✅ Authoritative Response
Server:219.84.199.2
NS records: ns2.vhs100.com, ns1.vhs100.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 1118ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.84.217.22 |
| NS | 4 | ns3.vhs100.com, ns2.vhs100.com... |
| MX | 1 | mail.dfcom.com.tw (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:219.84.217.22 ?all |
| SOA | 1 | ns1.vhs100.com tz\.com.hotmail.com |
Analysis
Hierarchy
The parent domain of mail.dfcom.com.tw and www.dfcom.com.tw is dfcom.com.tw.
IP Addresses
dfcom.com.tw directs to one IP number, which is 219.84.217.22.
Among the host names that share IP numbers with dfcom.com.tw are hematology.org.tw, so217-22.static.asiawhere.com, mail.hueisun.com and two others.
Name Servers
The domain dfcom.com.tw is delegated to these four name servers: ns1.vhs100.com, ns2.vhs100.com, ns3.vhs100.com and ns4.vhs100.com.
The name servers of dfcom.com.tw overlap at least partially with those of other domains — among them fuzen-global.com, integrated-bio.com, jsliou.com and two more.
ns1.vhs100.com resolves to 219.84.199.1. ns2.vhs100.com resolves to 219.84.199.2. ns3.vhs100.com resolves to 61.56.223.218. ns4.vhs100.com resolves to 61.56.223.219. All four hosts carry exactly one IP address.
Mail Servers
dfcom.com.tw routes its mail through a single mail server, mail.dfcom.com.tw.
mail.dfcom.com.tw resolves to 219.84.217.22 and no other IP number.