tyvek.tw - robtex.com
tyvek.tw
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 2011-03-07 #43 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSpdns1.ultradns.net2026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 23:48:06
●NSpdns2.ultradns.net2026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 23:48:06
●NSpdns3.ultradns.org2026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 23:48:06
●NSpdns4.ultradns.org2026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 23:48:06
●NSpdns5.ultradns.info2026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 23:48:06
●NSpdns6.ultradns.co.uk2026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 23:48:06
●A204.74.99.1002026-06-17 → 2026-07-05 · 2 obs
● 2026-07-05 23:48:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | g.dns.tw, e.dns.tw, a.dns.tw, c.dns.tw... | - |
| tyvek.tw | pdns1.ultradns.net, pdns3.ultradns.org, pdns2.ultradns.net, pdns4.ultradns.org... | - |
✅ Authoritative Response
Server:204.74.108.1
NS records: pdns1.ultradns.net, pdns3.ultradns.org, pdns2.ultradns.net, pdns4.ultradns.org, pdns5.ultradns.info, pdns6.ultradns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tyvek.tw (unsigned zone)
⏱️ Timing
Total: 1265ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 6 | pdns1.ultradns.net, pdns2.ultradns.net... |
| SOA | 1 | pdns1.ultradns.net contact.usa.dupont.co |
Analysis
IP Addresses
tyvek.tw directs to one IP number, which is 204.74.99.100.
Among the host names that share IP numbers with tyvek.tw are expedia.fj.cn, multilift.com, nnip.co.uk and two others.
Name Servers
tyvek.tw carries NS records listing 6 name servers — pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 3 others.
The name servers of tyvek.tw overlap at least partially with those of other domains — among them fachbuch-notfallmedizin.de, bmcimmunol.com, hotels.com.ph and two more.
These name servers commonly appear in delegations together with pdns3.ultradns.org, pdns4.ultradns.org, pdns6.ultradns.co.uk and 7 other.
Hosts with two IP numbers each:
The A records for pdns5.ultradns.info return 204.74.114.1 and 2610:a1:1016::1.
The A records for pdns1.ultradns.net return 204.74.108.1 and 2001:502:f3ff::1.
The A records for pdns2.ultradns.net return 204.74.109.1 and 2610:a1:1014::1.
The A records for pdns3.ultradns.org return 199.7.68.1 and 2610:a1:1015::1.
The A records for pdns4.ultradns.org return 199.7.69.1 and 2001:502:4612::1.
The A records for pdns6.ultradns.co.uk return 204.74.115.1 and 2610:a1:1017::1.