firstic.tw - robtex.com
firstic.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | router.firstic.tw ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns.firstic.com ⚠️ Not in zone NS records | ||||||
| A | 202.39.18.43🇹🇼 HiNet202.39.0.0/18 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.firstic.com | ||||||
| PTR | mail.pontential-comp.com | ||||||
| PTR | mail.firstic.taipei | ||||||
| PTR | mail.firstic.tw | ||||||
| PTR | mail.firstic.com.cn | ||||||
| PTR | mail.firstic.com.hk | ||||||
| PTR | mail.firstic.com.tw | ||||||
| NS | ns.firstic.com.tw ⚠️ Not in zone NS records | ||||||
| A | 202.39.18.43🇹🇼 HiNet202.39.0.0/18 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.firstic.com | ||||||
| PTR | mail.pontential-comp.com | ||||||
| PTR | mail.firstic.taipei | ||||||
| PTR | mail.firstic.tw | ||||||
| PTR | mail.firstic.com.cn | ||||||
| PTR | mail.firstic.com.hk | ||||||
| PTR | mail.firstic.com.tw | ||||||
| MX | mail.firstic.tw ⭐ | ||||||
| A | 202.39.18.43🇹🇼 HiNet202.39.0.0/18 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.firstic.com | ||||||
| PTR | mail.pontential-comp.com | ||||||
| PTR | mail.firstic.taipei | ||||||
| PTR | mail.firstic.tw | ||||||
| PTR | mail.firstic.com.cn | ||||||
| PTR | mail.firstic.com.hk | ||||||
| PTR | mail.firstic.com.tw | ||||||
| TXT | v=spf1 a mx ip4:202.39.18.43/32 -all | ||||||
| SOA | router.firstic.twroot@firstic.tw 2001-01-01 #1 | ||||||
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 serial=2010995993 | ||||||
Subdomains
mail.firstic.tw |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns.firstic.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 21:56:12
●NSns.firstic.com.tw2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 21:56:12
●NSrouter.firstic.tw2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 21:56:12
●MXmail.firstic.tw2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 21:56:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | d.dns.tw, g.dns.tw, c.dns.tw, e.dns.tw... | - |
| firstic.tw | ns.firstic.com.tw, ns.firstic.com | - |
✅ Authoritative Response
Server:202.39.18.43
NS records: ns.firstic.com.tw, ns.firstic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstic.tw (unsigned zone)
⏱️ Timing
Total: 1901ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 1 | router.firstic.tw |
| MX | 1 | mail.firstic.tw (pri: 1) |
| TXT | 1 | v=spf1 a mx ip4:202.39.18.43/32 -all |
| SOA | 1 | router.firstic.tw root.firstic.tw |
Analysis
Hierarchy
firstic.tw is the parent of mail.firstic.tw.
Name Servers
firstic.tw is delegated to three name servers: ns.firstic.com, router.firstic.tw and ns.firstic.com.tw.
firstic.tw at least partially shares name servers with other domains; for instance firstic.com.hk.
These name servers are commonly used with www.firstic.com and router.firstic.com.hk.
Host names with a single IP:
- ns.firstic.com points to 202.39.18.43
- ns.firstic.com.tw points to 202.39.18.43
Host names that point to 202.39.18.43: ns.firstic.com and ns.firstic.com.tw
Mail Servers
firstic.tw is handled by a single mail server, mail.firstic.tw.
mail.firstic.tw points to a single IP: 202.39.18.43.