tyvek.hk - robtex.com

tyvek.hk

hk

DNSSEC🔒 Signed (DS record present)
NSns3.hkirc.net.hk
NSc.hkirc.net.hk
NSd.hkirc.net.hk
NSm.hkirc.net.hk
NSt.hkirc.net.hk
NSu.hkirc.net.hk
NSv.hkirc.net.hk
NSx.hkirc.net.hk
NSy.hkirc.net.hk
NSz.hkirc.net.hk
SOAns3.hkirc.net.hkhostmaster@hkirc.net.hk serial=2074966317

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukA204.74.99.100
NSpdns1.ultradns.net2026-06-17 → 2026-07-11 · 2 obs
● 2026-06-17 18:32:38
● 2026-07-11 12:44:08
NSpdns2.ultradns.net2026-06-17 → 2026-07-11 · 2 obs
● 2026-06-17 18:32:38
● 2026-07-11 12:44:08
NSpdns3.ultradns.org2026-06-17 → 2026-07-11 · 2 obs
● 2026-06-17 18:32:38
● 2026-07-11 12:44:08
NSpdns4.ultradns.org2026-06-17 → 2026-07-11 · 2 obs
● 2026-06-17 18:32:38
● 2026-07-11 12:44:08
NSpdns5.ultradns.info2026-06-17 → 2026-07-11 · 2 obs
● 2026-06-17 18:32:38
● 2026-07-11 12:44:08
NSpdns6.ultradns.co.uk2026-06-17 → 2026-07-11 · 2 obs
● 2026-06-17 18:32:38
● 2026-07-11 12:44:08
A204.74.99.1002026-06-17 → 2026-07-11 · 2 obs
● 2026-06-17 18:32:38
● 2026-07-11 12:44:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
hkc.hkirc.net.hk, d.hkirc.net.hk, m.hkirc.net.hk, t.hkirc.net.hk...18 records
tyvek.hkpdns1.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.hk (unsigned zone)

⏱️ Timing

Total: 1251ms | Queries: -

📄 Records

TypeCountSample Data
A1204.74.99.100
NS6pdns1.ultradns.net, pdns2.ultradns.net...
SOA1pdns1.ultradns.net contact.usa.dupont.co

📌 Glue Records Collected

Total: 18

In-bailiwick: 18 (c.hkirc.net.hk, d.hkirc.net.hk, m.hkirc.net.hk...)

Analysis

IP Addresses

tyvek.hk points to a single IP number: 204.74.99.100.

Additional host names — seattlebiomed.org, enfocadosenmayoresmississippi.com, oncotypedx.net and two others — share IP numbers with tyvek.hk.

Name Servers

tyvek.hk delegates authority to 6 name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net plus 3 other.

tyvek.hk has at least partial name server overlap with other domains, such as ect.travel, sempra.com, 192.119.52.in-addr.arpa and two others.

pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk — plus 7 other name servers — are commonly paired with these name servers.

Host names with two IP numbers:

pdns5.ultradns.info directs traffic to 204.74.114.1 and 2610:a1:1016::1.

pdns1.ultradns.net directs traffic to 204.74.108.1 and 2001:502:f3ff::1.

pdns2.ultradns.net directs traffic to 204.74.109.1 and 2610:a1:1014::1.

pdns3.ultradns.org directs traffic to 199.7.68.1 and 2610:a1:1015::1.

pdns4.ultradns.org directs traffic to 199.7.69.1 and 2001:502:4612::1.

pdns6.ultradns.co.uk directs traffic to 204.74.115.1 and 2610:a1:1017::1.