sofia.tw - robtex.com
sofia.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns.sofia.tw ⭐ ⚠️ Not in zone NS records | ||||||
| NS | dns.hinet.net ⚠️ Not in zone NS records | ||||||
| A | 2001:b000:168::1🇹🇼 HiNet2001:b000:100::/40 | ||||||
| PTR | dns.hinet.net | ||||||
| A | 2001:b000:168::2🇹🇼 HiNet2001:b000:100::/40 | ||||||
| PTR | dns.hinet.net | ||||||
| A | 168.95.1.1🇹🇼 HiNet168.95.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | dns.hinet.net | ||||||
| A | 168.95.192.1🇹🇼 HiNet168.95.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | dns.hinet.net | ||||||
| PTR | hntp1.hinet.net | ||||||
| SOA | dns.sofia.twadmin@sofia.tw 2025-07-01 #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 2011-05-15 #47 | ||||||
Subdomains
dns.sofia.tw |
Same first word
Similar names
DNS History
5 records (2 active, 3 former)
●NSdns.hinet.net2026-03-24 → 2026-08-16 · 3 obs
● 2026-03-24 02:08:30
● 2026-08-16 05:43:00
●NSdns.sofia.tw2015-07-09 → 2026-08-16 · 2 obs
● 2026-08-16 05:43:00
○NSvns1.hinet.net2015-07-09 → 2026-08-05 · 16 obs
● 2017-09-21 16:51:06
○ 2026-03-24 02:08:30
● 2026-03-26 19:36:08
○ 2026-03-31 07:08:02
○ 2026-04-06 21:30:56
● 2026-04-07 15:05:46
○ 2026-04-09 04:03:56
● 2026-04-15 20:50:34
○ 2026-05-04 07:24:44
● 2026-05-20 02:02:16
○ 2026-06-04 01:18:52
● 2026-06-04 04:04:30
○ 2026-07-19 19:41:58
● 2026-08-05 04:11:36
○ 2026-08-16 05:43:00
○NSvns2.hinet.net2015-07-09 → 2026-08-05 · 16 obs
● 2017-09-21 16:51:06
○ 2026-03-24 02:08:30
● 2026-03-26 19:36:08
○ 2026-03-31 07:08:02
○ 2026-04-06 21:30:56
● 2026-04-07 15:05:46
○ 2026-04-09 04:03:56
● 2026-04-15 20:50:34
○ 2026-05-04 07:24:44
● 2026-05-20 02:02:16
○ 2026-06-04 01:18:52
● 2026-06-04 04:04:30
○ 2026-07-19 19:41:58
● 2026-08-05 04:11:36
○ 2026-08-16 05:43:00
○MXmail.sofia.tw2015-07-09 → 2026-06-04 · 12 obs
● 2017-09-21 16:51:06
○ 2026-03-24 02:08:30
○ 2026-04-02 11:51:58
● 2026-04-06 21:30:56
● 2026-04-15 20:50:34
○ 2026-05-04 07:24:44
● 2026-05-20 02:02:16
○ 2026-06-04 01:18:52
● 2026-06-04 04:04:30
○ 2026-07-23 20:38:26
○ 2026-08-16 05:43:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| sofia.tw | dns.sofia.tw, dns.hinet.net | 1 record |
✅ Authoritative Response
Server:125.228.204.220
NS records: dns.sofia.tw, dns.hinet.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sofia.tw (unsigned zone)
⏱️ Timing
Total: 1511ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| TXT | 1 | v=spf1 ip4:125.228.204.220 ip4:172.24.1. |
| SOA | 1 | dns.sofia.tw admin.sofia.tw |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (dns.sofia.tw)
Analysis
Hierarchy
dns.sofia.tw is delegated beneath sofia.tw.
Name Servers
sofia.tw is delegated to two name servers: dns.hinet.net and dns.sofia.tw.
There is at least partial name server overlap between sofia.tw and other domains — lapcc.com, huntelec.tw, disc-hi.com and two more among them.
These name servers regularly appear alongside hntp1.hinet.net, dns1.yuding.info, dns.yuding.info and 7 other name servers in NS record sets.
Host names resolving to four IP addresses:
dns.hinet.net resolves to four IP addresses — 168.95.1.1, 168.95.192.1, 2001:b000:168::1 and 2001:b000:168::2.