tyvek.co - robtex.com
tyvek.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759697099 | ||||||
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
●NSpdns1.ultradns.net2026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
●NSpdns2.ultradns.net2026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
●NSpdns216.ultradns.biz2026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
●NSpdns216.ultradns.com2026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
●NSpdns216.ultradns.net2026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
●NSpdns216.ultradns.org2026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
●NSpdns3.ultradns.org2026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
●NSpdns4.ultradns.org2026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
●NSpdns5.ultradns.info2026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
●NSpdns6.ultradns.co.uk2026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
●A204.74.99.1002026-06-17 → 2026-07-04 · 2 obs
● 2026-07-04 08:07:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| tyvek.co | pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org... | - |
✅ Authoritative Response
Server:204.74.108.1
NS records: pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org, pdns5.ultradns.info, pdns6.ultradns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tyvek.co (unsigned zone)
⏱️ Timing
Total: 1433ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 4 | pdns216.ultradns.biz, pdns216.ultradns.com... |
| SOA | 1 | pdns216.ultradns.com contact.dupont.com |
Analysis
IP Addresses
tyvek.co resolves to just one IP address, 204.74.99.100.
Two other host names, along with arbejdsgiver.net, ndt-journal.com and tradestationtechnology.com, also share IP numbers with tyvek.co.
Name Servers
tyvek.co carries NS records listing 10 name servers — pdns216.ultradns.biz, pdns216.ultradns.com, pdns5.ultradns.info and 7 others.
There is at least partial name server overlap between tyvek.co and other domains — hcsinstrumentation.com, onlynecessities.fr, swarmgold.com and two more among them.
These name servers regularly appear alongside pdns1.ultradns.net, pdns3.ultradns.org, pdns2.ultradns.net and 7 other name servers in NS record sets.
Host names that have two IP addresses:
The A records for pdns216.ultradns.biz return 156.154.66.216 and 2610:a1:1015::fc.
The A records for pdns216.ultradns.com return 156.154.64.216 and 2001:502:f3ff::fc.
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 pdns216.ultradns.net return 156.154.65.216 and 2610:a1:1014::fc.
The A records for pdns2.ultradns.net return 204.74.109.1 and 2610:a1:1014::1.
The A records for pdns216.ultradns.org return 156.154.67.216 and 2001:502:4612::fc.
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.