`calculationcenter.com`

DNSSEC	⚠️ Not signed
A	140.177.52.200^{🇺🇸 WOLFRAM11106140.177.32.0/19 Wolfram Research, Inc.}
NS	`calculationcenter.com` ⭐
		A	140.177.52.200^{🇺🇸 WOLFRAM11106140.177.32.0/19 Wolfram Research, Inc.}
NS	`wri-dns2.wolfram.com`
		A	140.177.10.23^{🇺🇸 WOLFRAM11106140.177.0.0/20 Proxy fbo Champaign Telephone Company (AS25660)}
			PTR	`wri-dns1.wolfram.com`
			PTR	`wri-dns2.wolfram.com`
NS	`wri-dns3.wolfram.com`
		A	140.177.10.19^{🇺🇸 WOLFRAM11106140.177.0.0/20 Proxy fbo Champaign Telephone Company (AS25660)}
			PTR	`wri-dns0.wolfram.com`
			PTR	`wri-dns3.wolfram.com`
MX	`mx1.wolfram.com` ⭐
		A	140.177.10.56^{🇺🇸 WOLFRAM11106140.177.0.0/20 Proxy fbo Champaign Telephone Company (AS25660)}
			PTR	`mx1.wolfram.com`
MX	`mx2.wolfram.com`⁽²⁰⁾
		A	140.177.10.59^{🇺🇸 WOLFRAM11106140.177.0.0/20 Proxy fbo Champaign Telephone Company (AS25660)}
			PTR	`mx2.wolfram.com`
TXT	`l98jq22poh3svjtnmbhtpeam74`
SOA	`calculationcenter.com`postmaster@wolfram.com serial=10043

`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

DNS History

9 records (6 active, 3 former)

●NScalculationcenter.com2015-07-19 → 2026-03-13 · 3 obs

○ 2008-12-04 12:51:06
● 2015-07-19 20:07:08
● 2026-03-13 08:15:38

○NSwri-dns0.wolfram.com2008-12-04 → 2017-06-27 · 4 obs

● 2008-12-04 12:51:06
● 2017-06-27 09:39:44
○ 2026-03-13 08:15:36
○ 2026-03-13 08:15:38

○NSwri-dns1.wolfram.com2008-12-04 → 2017-06-27 · 4 obs

● 2008-12-04 12:51:06
● 2017-06-27 09:39:44
○ 2026-03-13 08:15:36
○ 2026-03-13 08:15:38

●NSwri-dns2.wolfram.com2026-03-13 → 2026-03-13 · 3 obs

○ 2017-06-27 09:39:44
● 2026-03-13 08:15:36
● 2026-03-13 08:15:38

●NSwri-dns3.wolfram.com2026-03-13 → 2026-03-13 · 3 obs

○ 2017-06-27 09:39:44
● 2026-03-13 08:15:36
● 2026-03-13 08:15:38

●MXmx1.wolfram.com2008-12-04 → 2026-03-13 · 2 obs

● 2008-12-04 12:51:06
● 2026-03-13 08:15:38

●MXmx2.wolfram.com2008-12-04 → 2026-03-13 · 2 obs

● 2008-12-04 12:51:06
● 2026-03-13 08:15:38

○A140.177.205.542008-12-04 → 2017-06-27 · 4 obs

● 2008-12-04 12:51:06
● 2017-06-27 09:39:44
○ 2026-03-13 08:15:36
○ 2026-03-13 08:15:38

●A140.177.52.2002026-03-13 → 2026-03-13 · 3 obs

○ 2017-06-27 09:39:44
● 2026-03-13 08:15:36
● 2026-03-13 08:15:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
calculationcenter.com	wri-dns3.wolfram.com, wri-dns2.wolfram.com	2 records

✅ Authoritative Response

Server: 140.177.10.23

NS records: wri-dns3.wolfram.com, wri-dns2.wolfram.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calculationcenter.com (unsigned zone)

⏱️ Timing

Total: 528ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`140.177.52.200`
NS	2	`wri-dns2.wolfram.com, wri-dns3.wolfram.com`
MX	2	`mx2.wolfram.com (pri: 20), mx1.wolfram.com (pri: 10)`
TXT	1	`l98jq22poh3svjtnmbhtpeam74`
SOA	1	`calculationcenter.com postmaster.wolfram`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (wri-dns3.wolfram.com, wri-dns2.wolfram.com)

Analysis

IP Addresses

calculationcenter.com resolves to one IP number: 140.177.52.200.

other host names including wolframalpha.com, numbers.wolfram.com, blog.stephenwolfram.com, www.mathworld.wolfram.com and turingprize.com share IP numbers with calculationcenter.com.

Name Servers

calculationcenter.com is delegated to three name servers: calculationcenter.com, wri-dns2.wolfram.com and wri-dns3.wolfram.com.

calculationcenter.com at least partially shares name servers with other domains, for instance imageidentify.com, wolframtunes.org, turingcentury.org, calccenter.com and wolframfoundation.org.

these name servers are often used together with dns-master.wolfram.com, wri-dns0.wolfram.com, wri-dns1.wolfram.com and ns6.wolfram.com.

Host names with one IP number: calculationcenter.com points to 140.177.52.200; wri-dns2.wolfram.com points to 140.177.10.23; wri-dns3.wolfram.com points to 140.177.10.19.

Mail Servers

Two mail servers handle calculationcenter.com: mx1.wolfram.com and mx2.wolfram.com.

calculationcenter.com shares the same mail server setup as other domains, for instance ericweisstein.com, wolfram-media.com, bywolfram.com, homeworkday.org and keiper.org.

calculationcenter.com shares some mail servers with other domains, at least partially, for example wolframphysics.org and tgjb.com.

Host names with one IP number:

mx1.wolfram.com points to 140.177.10.56

mx2.wolfram.com points to 140.177.10.59

calculationcenter.com - robtex.com