mathworld.com - dns.ninja
mathworld.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.177.52.200🇺🇸 WOLFRAM11106140.177.32.0/19 Wolfram Research, Inc. | ||||||
| NS | mathworld.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 ⭐ | ||||||
| A | 140.177.10.59🇺🇸 WOLFRAM11106140.177.0.0/20 Proxy fbo Champaign Telephone Company (AS25660) | ||||||
| PTR | mx2.wolfram.com | ||||||
| TXT | v=spf1 include:wolfram.com -all | ||||||
| SOA | mathworld.compostmaster@wolfram.com serial=11360 | ||||||
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=1782303030 | ||||||
NS for
mathworld.com |
Previously NS for
www.mathworld.com |
Subdomains
www.mathworld.com |
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
●NSmathworld.com2015-05-13 → 2026-06-24 · 2 obs
● 2026-06-24 12:20:00
○NSwri-dns0.wolfram.com2015-05-13 → 2017-10-17 · 4 obs
● 2017-10-17 04:17:36
○ 2026-02-18 16:14:34
○ 2026-06-24 12:20:00
○NSwri-dns1.wolfram.com2015-05-13 → 2017-10-17 · 4 obs
● 2017-10-17 04:17:36
○ 2026-02-18 16:14:34
○ 2026-06-24 12:20:00
●NSwri-dns2.wolfram.com2026-02-18 → 2026-06-24 · 3 obs
● 2026-02-18 16:14:34
● 2026-06-24 12:20:00
●NSwri-dns3.wolfram.com2026-02-18 → 2026-06-24 · 3 obs
● 2026-02-18 16:14:34
● 2026-06-24 12:20:00
●MXmx1.wolfram.com2015-05-13 → 2026-06-24 · 2 obs
● 2026-06-24 12:20:00
●MXmx2.wolfram.com2015-05-13 → 2026-06-24 · 2 obs
● 2026-06-24 12:20:00
○A140.177.205.542015-05-13 → 2017-10-17 · 4 obs
● 2017-10-17 04:17:36
○ 2026-02-18 16:14:34
○ 2026-06-24 12:20:00
●A140.177.52.2002026-02-18 → 2026-06-24 · 3 obs
● 2026-02-18 16:14:34
● 2026-06-24 12:20:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net... | - |
| mathworld.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 mathworld.com (unsigned zone)
⏱️ Timing
Total: 215ms | 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: 10) |
| TXT | 1 | v=spf1 include:wolfram.com -all |
| SOA | 1 | mathworld.com postmaster.wolfram.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (wri-dns3.wolfram.com, wri-dns2.wolfram.com)
Analysis
Hierarchy
www.mathworld.com is a subdomain of mathworld.com.
Name Server Role
mathworld.com has mathworld.com as one of its name servers, making it self-hosted for DNS delegation.
wri-dns2.wolfram.com, wri-dns3.wolfram.com and mathworld.com are commonly seen together as name servers.
IP Addresses
mathworld.com directs to one IP number, which is 140.177.52.200.
Among the host names that share IP numbers with mathworld.com are mathematica.jp, mathematica-camp.org, stephen-wolfram.org and two others.
Name Servers
mathworld.com delegates authority to three name servers — mathworld.com, wri-dns2.wolfram.com and wri-dns3.wolfram.com.
The name servers of mathworld.com overlap at least partially with those of other domains — among them wolframapedia.org, wolframtunes.com, stephen-wolfram.net and two more.
These name servers are routinely co-deployed with the name servers dns-master.wolfram.com, wri-dns0.wolfram.com, ns6.wolfram.com and two others.
Three hostnames, one IP address apiece: mathworld.com resolves to 140.177.52.200, wri-dns2.wolfram.com resolves to 140.177.10.23 and wri-dns3.wolfram.com resolves to 140.177.10.19.
Mail Servers
The MX records for mathworld.com point to two mail servers: mx1.wolfram.com and mx2.wolfram.com.
mathworld.com has the same mail server arrangement as a number of other domains, for example wolframgroup.com, ericweisstein.com, wolfram-media.com and two more.
The mail servers for mathworld.com overlap at least partially with those of other domains, including wolframphysics.org and tgjb.com.
Both mx1.wolfram.com and mx2.wolfram.com have a single IP address each — mx1.wolfram.com resolves to 140.177.10.56 while mx2.wolfram.com resolves to 140.177.10.59.