tz-bio.com - robtex.com
tz-bio.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.17.8.59🇹🇼 YUANJHEN-TW103.17.8.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. | ||||||
| PTR | cp45.g-dns.com | ||||||
| NS | ns57.g-dns.com ⭐ | ||||||
| A | 103.17.8.57🇹🇼 YUANJHEN-TW103.17.8.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. | ||||||
| PTR | 103-17-8-57.static.ip.net.tw | ||||||
| NS | ns58.g-dns.com | ||||||
| A | 103.17.8.58🇹🇼 YUANJHEN-TW103.17.8.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. | ||||||
| PTR | 103-17-8-58.static.ip.net.tw | ||||||
| MX | tz-bio.com ⭐ | ||||||
| A | 103.17.8.59🇹🇼 YUANJHEN-TW103.17.8.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. | ||||||
| PTR | cp45.g-dns.com | ||||||
| TXT | v=spf1 ip4:103.17.8.56 ip4:103.17.8.59 include:_spf.eee.tw +a +mx +ip4:202.51... | ||||||
| SOA | ns57.g-dns.comwhmlog@ipmi.tw 2026-04-01 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776108237 | ||||||
MX for
tz-bio.com |
Same first word
tz-bio.com |
Similar names
DNS History
9 records (4 active, 5 former)
○NSa.g-dns.com2020-01-03 → 2020-01-03 · 4 obs
● 2020-01-03 00:11:22
○ 2026-03-05 21:52:42
○ 2026-04-13 19:50:00
○NSdn1.bstw.cc2017-01-05 → 2017-01-05 · 3 obs
○ 2020-01-03 00:11:22
○ 2026-04-13 19:50:00
○NSdn2.bstw.cc2017-01-05 → 2017-01-05 · 3 obs
○ 2020-01-03 00:11:22
○ 2026-04-13 19:50:00
●NSns57.g-dns.com2026-03-05 → 2026-04-13 · 3 obs
● 2026-03-05 21:52:42
● 2026-04-13 19:50:00
●NSns58.g-dns.com2026-03-05 → 2026-04-13 · 3 obs
● 2026-03-05 21:52:42
● 2026-04-13 19:50:00
●MXtz-bio.com2017-01-05 → 2026-04-13 · 4 obs
○ 2020-01-03 00:11:22
● 2026-03-05 21:52:42
● 2026-04-13 19:50:00
●A103.17.8.592026-03-05 → 2026-04-13 · 3 obs
● 2026-03-05 21:52:42
● 2026-04-13 19:50:00
○A118.193.201.1262017-01-05 → 2017-01-05 · 3 obs
○ 2020-01-03 00:11:22
○ 2026-04-13 19:50:00
○A202.51.129.52020-01-03 → 2020-01-03 · 4 obs
● 2020-01-03 00:11:22
○ 2026-03-05 21:52:42
○ 2026-04-13 19:50:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net... | - |
| tz-bio.com | ns57.g-dns.com, ns58.g-dns.com | 2 records |
✅ Authoritative Response
Server:103.17.8.58
NS records: ns57.g-dns.com, ns58.g-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tz-bio.com (unsigned zone)
⏱️ Timing
Total: 530ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.17.8.59 |
| NS | 2 | ns57.g-dns.com, ns58.g-dns.com |
| MX | 1 | tz-bio.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:103.17.8.56 ip4:103.17.8.59 i |
| SOA | 1 | ns57.g-dns.com whmlog.ipmi.tw |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns57.g-dns.com, ns58.g-dns.com)
Analysis
Mail Server Role
tz-bio.com serves as a mail server for tz-bio.com.
IP Addresses
tz-bio.com points to a single IP: 103.17.8.59.
Other host names, for instance 17845.com.tw, everesttech.com.tw, www.koso.com.tw, jandrtech.com.tw and pay-easy.tw share IP numbers with tz-bio.com.
Name Servers
tz-bio.com's delegation is to two name servers ns57.g-dns.com and ns58.g-dns.com.
tz-bio.com shares the same name server configuration as other domains, such as fansmatch.com.tw, mindraw.ca, greensupply.com.tw, allenational.com and tytj.com.tw.
tz-bio.com shares name servers with other domains to some extent, for instance sckingflex.com.tw, todaywater.com.tw, gst-semi.com and mindwork.com.tw.
these name servers are commonly used with the name servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with a single IP:
ns57.g-dns.com resolves to 103.17.8.57.
ns58.g-dns.com resolves to 103.17.8.58.
Mail Servers
tz-bio.com is handled by a single mail server.
tz-bio.com points to IP number 103.17.8.59.