calccenter.com - robtex.com
calccenter.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.177.52.200🇺🇸 WOLFRAM11106140.177.32.0/19 Wolfram Research, Inc. | ||||||
| NS | calccenter.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 | calccenter.compostmaster@wolfram.com serial=42 | ||||||
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
NS for
calccenter.com |
Same first word
calccenter.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NScalccenter.com2015-08-30 → 2026-03-13 · 2 obs
● 2026-03-13 11:04:16
○NSwri-dns0.wolfram.com2015-08-30 → 2017-09-22 · 4 obs
● 2017-09-22 05:16:10
○ 2026-02-18 16:14:14
○ 2026-03-13 11:04:16
○NSwri-dns1.wolfram.com2015-08-30 → 2017-09-22 · 4 obs
● 2017-09-22 05:16:10
○ 2026-02-18 16:14:14
○ 2026-03-13 11:04:16
●NSwri-dns2.wolfram.com2026-02-18 → 2026-03-13 · 3 obs
● 2026-02-18 16:14:14
● 2026-03-13 11:04:16
●NSwri-dns3.wolfram.com2026-02-18 → 2026-03-13 · 3 obs
● 2026-02-18 16:14:14
● 2026-03-13 11:04:16
●MXmx1.wolfram.com2015-08-30 → 2026-03-13 · 2 obs
● 2026-03-13 11:04:16
●MXmx2.wolfram.com2015-08-30 → 2026-03-13 · 2 obs
● 2026-03-13 11:04:16
○A140.177.205.542015-08-30 → 2017-09-22 · 4 obs
● 2017-09-22 05:16:10
○ 2026-02-18 16:14:14
○ 2026-03-13 11:04:16
●A140.177.52.2002026-02-18 → 2026-03-13 · 3 obs
● 2026-02-18 16:14:14
● 2026-03-13 11:04:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| calccenter.com | wri-dns3.wolfram.com, wri-dns2.wolfram.com | 2 records |
✅ Authoritative Response
Server: 140.177.10.19
NS records: wri-dns3.wolfram.com, wri-dns2.wolfram.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for calccenter.com (unsigned zone)
⏱️ Timing
Total: 342ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.177.52.200 |
| NS | 2 | wri-dns2.wolfram.com, wri-dns3.wolfram.com |
| MX | 2 | mx1.wolfram.com (pri: 10), mx2.wolfram.com (pri: 20) |
| TXT | 1 | l98jq22poh3svjtnmbhtpeam74 |
| SOA | 1 | calccenter.com postmaster.wolfram.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (wri-dns3.wolfram.com, wri-dns2.wolfram.com)
Analysis
Name Server Role
calccenter.com serves as a name server for calccenter.com.
Together with calccenter.com, wri-dns2.wolfram.com and wri-dns3.wolfram.com are commonly used as name server.
IP Addresses
calccenter.com points to a single IP: 140.177.52.200.
Other host names, for instance members.wri.com, www.wolframblockchainlabs.com, wolframtunes.com, stephen-wolfram.net and training.wolfram.com share IP numbers with calccenter.com.
Name Servers
calccenter.com is delegated to three name servers: calccenter.com, wri-dns2.wolfram.com and wri-dns3.wolfram.com.
calccenter.com at least partially shares its name servers with other domains, for instance wolframblockchainlabs.com, wolfram-science.net, wolfram.com, wolfram-research.net and wolframinstitute.org.
these name servers are commonly 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:
calccenter.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 mx1.wolfram.com and mx2.wolfram.com handle calccenter.com.
calccenter.com uses the same mail server setup as other domains such as wolframblockchainlabs.com, wolfram.com, wolframinstitute.org, wolframcloud.com and wolfram-science.com.
calccenter.com shares at least some mail servers with other domains, for instance wolframphysics.org and tgjb.com.
Host names with a single IP:
mx1.wolfram.com resolves to 140.177.10.56.
mx2.wolfram.com resolves to 140.177.10.59.