calccenter.com - dns.ninja
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=48 | ||||||
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=1783711727 | ||||||
NS for
calccenter.com |
Same first word
calccenter.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NScalccenter.com2015-08-30 → 2026-07-10 · 2 obs
● 2026-07-10 19:47:24
○NSwri-dns0.wolfram.com2015-08-30 → 2017-09-22 · 4 obs
● 2017-09-22 05:16:10
○ 2026-02-18 16:14:14
○ 2026-07-10 19:47:24
○NSwri-dns1.wolfram.com2015-08-30 → 2017-09-22 · 4 obs
● 2017-09-22 05:16:10
○ 2026-02-18 16:14:14
○ 2026-07-10 19:47:24
●NSwri-dns2.wolfram.com2026-02-18 → 2026-07-10 · 3 obs
● 2026-02-18 16:14:14
● 2026-07-10 19:47:24
●NSwri-dns3.wolfram.com2026-02-18 → 2026-07-10 · 3 obs
● 2026-02-18 16:14:14
● 2026-07-10 19:47:24
●MXmx1.wolfram.com2015-08-30 → 2026-07-10 · 2 obs
● 2026-07-10 19:47:24
●MXmx2.wolfram.com2015-08-30 → 2026-07-10 · 2 obs
● 2026-07-10 19:47:24
○A140.177.205.542015-08-30 → 2017-09-22 · 4 obs
● 2017-09-22 05:16:10
○ 2026-02-18 16:14:14
○ 2026-07-10 19:47:24
●A140.177.52.2002026-02-18 → 2026-07-10 · 3 obs
● 2026-02-18 16:14:14
● 2026-07-10 19:47:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net... | - |
| calccenter.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 calccenter.com (unsigned zone)
⏱️ Timing
Total: 402ms | 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 | 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
The NS records for calccenter.com point back to calccenter.com itself.
It is common to find wri-dns2.wolfram.com and wri-dns3.wolfram.com serving as name servers together with calccenter.com.
IP Addresses
calccenter.com resolves to just one IP address, 140.177.52.200.
Two other host names, along with members.wri.com, www.wolframblockchainlabs.com and wolframtunes.com, also share IP numbers with calccenter.com.
Name Servers
calccenter.com has three authoritative name servers: calccenter.com, wri-dns2.wolfram.com and wri-dns3.wolfram.com.
There is at least partial name server overlap between calccenter.com and other domains — wolframblockchainlabs.com, wolfram-science.net, wolfram.com and two more among them.
These name servers tend to appear in combination with the name servers dns-master.wolfram.com, wri-dns0.wolfram.com, wri-dns1.wolfram.com and ns6.wolfram.com.
calccenter.com, wri-dns2.wolfram.com and wri-dns3.wolfram.com all have one IP address each — calccenter.com directs to 140.177.52.200, wri-dns2.wolfram.com directs to 140.177.10.23 and wri-dns3.wolfram.com directs to 140.177.10.19.
Mail Servers
calccenter.com is served by two mail servers, mx1.wolfram.com and mx2.wolfram.com.
Among the domains sharing a mail server setup with calccenter.com are wolframblockchainlabs.com, wolfram.com, wolframcloud.com and two others.
Some mail servers of calccenter.com are also used by other domains, notably wolframphysics.org and tgjb.com.
mx1.wolfram.com → 140.177.10.56 and mx2.wolfram.com → 140.177.10.59: one IP number per host name.