`thinkcenterclassic.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

thinkcenterclassic.com

Similar names

thinkcentreclassic.com

DNS History

2 records (2 active, 0 former)

●NSns.almaden.ibm.com2026-02-21 → 2026-03-23 · 2 obs

● 2026-02-21 15:24:56
● 2026-03-23 11:58:10

●NSns.watson.ibm.com2026-02-21 → 2026-03-23 · 2 obs

● 2026-02-21 15:24:56
● 2026-03-23 11:58:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net...	-
thinkcenterclassic.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 thinkcenterclassic.com (unsigned zone)

⏱️ Timing

Total: 3096ms | 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

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

thinkcenterclassic.com shares the same name server setup as other domains, for example trackpoint.eu, lenovo3000.jp, lenovoisforlearning.com, thinkvision.eu and lenovo.co.in.

thinkcenterclassic.com at least partially shares name servers with other domains, for instance 46.84.192.in-addr.arpa, 168.134.in-addr.arpa, res.ibm.com, draco.res.ibm.com and 212.43.199.in-addr.arpa.

These name servers are often used with ns11.haifa.il.ibm.com and ns.austin.ibm.com.

Host names with one IP number:

The host ns.almaden.ibm.com points to 198.4.83.35 and the host ns.watson.ibm.com points to 129.34.20.80.

thinkcenterclassic.com - robtex.com