`thinkcentreclassic.com`

DNSSEC	⚠️ Not signed
NS	`ns.almaden.ibm.com` ⚠️ Not in zone NS records
		A	198.4.83.35^{🇺🇸 AS701198.4.0.0/15 MCI Communications Services, LLC d/b/a Verizon Business}
			PTR	`ns.almaden.ibm.com`
NS	`ns.watson.ibm.com` ⚠️ Not in zone NS records
		A	129.34.20.80^{🇺🇸 AS1747129.34.0.0/16}
			PTR	`ns.watson.ibm.com`

`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.net`nstld@verisign-grs.com serial=1771291435

Same first word

thinkcentreclassic.com

Similar names

thinkcenterclassic.com

DNS History

2 records (2 active, 0 former)

●NSns.almaden.ibm.com2026-02-21 → 2026-03-24 · 2 obs

● 2026-02-21 15:13:20
● 2026-03-24 07:48:16

●NSns.watson.ibm.com2026-02-21 → 2026-03-24 · 2 obs

● 2026-02-21 15:13:20
● 2026-03-24 07:48:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
thinkcentreclassic.com	ns.watson.ibm.com, ns.almaden.ibm.com	2 records

✅ Authoritative Response

Server:129.34.20.80

NS records: ns.watson.ibm.com, ns.almaden.ibm.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkcentreclassic.com (unsigned zone)

⏱️ Timing

Total: 3086ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.watson.ibm.com, ns.almaden.ibm.com)

Analysis

Name Servers

thinkcentreclassic.com is delegated to two name servers: ns.almaden.ibm.com and ns.watson.ibm.com.

thinkcentreclassic.com uses the same name server setup as other domains, for instance best-engineered.com, lenovotorchvote.com, thinkcentre.eu, ambra.ca and onlyonathinkcentre.eu.

thinkcentreclassic.com shares name servers with other domains at least partially, for instance focc-ibm-sjc-1.almaden.ibm.com, 34.129.in-addr.arpa, hursley.ibm.com, 41.110.195.in-addr.arpa and research.ibm.com.

these name servers are commonly used together with ns11.haifa.il.ibm.com and ns.austin.ibm.com.

Host names with one IP number:

ns.almaden.ibm.com points to: 198.4.83.35.

ns.watson.ibm.com points to: 129.34.20.80.

thinkcentreclassic.com - robtex.com