mathcore.com - robtex.com
mathcore.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.177.52.200🇺🇸 WOLFRAM11106140.177.32.0/19 Wolfram Research, Inc. | ||||||
| NS | mathcore.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 | ||||||
| TXT | 98ldfrmnmndcdhc8ggl58bh94v | ||||||
| TXT | ef3bi1h01i6tcup01vj5u0sjma | ||||||
| SOA | mathcore.compostmaster@wolfram.com 2019-11-06 #64 | ||||||
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=1784830182 | ||||||
PTR for
NS for
mathcore.com |
Subdomains
www.mathcore.com |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
●NSmathcore.com2026-02-18 → 2026-07-23 · 3 obs
● 2026-02-18 16:14:32
● 2026-07-23 18:32:46
○NSns01.netcamp.se2009-01-15 → 2017-04-18 · 4 obs
● 2017-04-18 16:00:00
○ 2026-02-18 16:14:32
○ 2026-07-23 18:32:46
○NSns02.netcamp.se2009-01-15 → 2017-04-18 · 4 obs
● 2017-04-18 16:00:00
○ 2026-02-18 16:14:32
○ 2026-07-23 18:32:46
○NSns03.netcamp.se2009-01-15 → 2017-04-18 · 4 obs
● 2017-04-18 16:00:00
○ 2026-02-18 16:14:32
○ 2026-07-23 18:32:46
●NSwri-dns2.wolfram.com2026-02-18 → 2026-07-23 · 3 obs
● 2026-02-18 16:14:32
● 2026-07-23 18:32:46
●NSwri-dns3.wolfram.com2026-02-18 → 2026-07-23 · 3 obs
● 2026-02-18 16:14:32
● 2026-07-23 18:32:46
○MXmail.mathcore.com2009-01-15 → 2017-04-18 · 4 obs
● 2017-04-18 16:00:00
○ 2026-02-18 16:14:32
○ 2026-07-23 18:32:46
○MXmail2.netcamp.se2009-01-15 → 2017-04-18 · 4 obs
● 2017-04-18 16:00:00
○ 2026-02-18 16:14:32
○ 2026-07-23 18:32:46
●A140.177.52.2002026-07-17 → 2026-07-23 · 3 obs
● 2026-07-17 12:32:00
● 2026-07-23 18:32:46
○A140.177.8.1912026-02-18 → 2026-02-18 · 4 obs
● 2026-02-18 16:14:32
○ 2026-07-17 12:32:00
○ 2026-07-23 18:32:46
○A85.112.160.122009-01-15 → 2017-04-18 · 4 obs
● 2017-04-18 16:00:00
○ 2026-02-18 16:14:32
○ 2026-07-23 18:32:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| mathcore.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 mathcore.com (unsigned zone)
⏱️ Timing
Total: 289ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.177.52.200 |
| NS | 2 | wri-dns2.wolfram.com, wri-dns3.wolfram.com |
| TXT | 2 | 98ldfrmnmndcdhc8ggl58bh94v, ef3bi1h01i6tcup01vj5u0sjma |
| SOA | 1 | mathcore.com postmaster.wolfram.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (wri-dns3.wolfram.com, wri-dns2.wolfram.com)
Analysis
Hierarchy
www.mathcore.com is a subdomain of mathcore.com.
Name Server Role
mathcore.com acts as a name server for mathcore.com, meaning it is self-referentially delegated.
wri-dns2.wolfram.com, wri-dns3.wolfram.com and mathcore.com are commonly seen together as name servers.
IP Addresses
mathcore.com resolves to one IP address: 140.177.52.200.
www.webmathematica.com, mathematica-journal.net, newkindofscience.org and two other host names share IP numbers with mathcore.com.
Name Servers
mathcore.com delegates authority to three name servers — mathcore.com, wri-dns2.wolfram.com and wri-dns3.wolfram.com.
The name servers of mathcore.com overlap at least partially with those of other domains — among them mathworldinteractive.com, anewkindofscience.org, wolframblockchainlabs.com and two more.
These name servers commonly co-occur with the name servers dns-master.wolfram.com, wri-dns0.wolfram.com, wri-dns1.wolfram.com and ns6.wolfram.com.
Three hostnames, one IP address apiece: mathcore.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.