mathematicsopen.com - robtex.com
mathematicsopen.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.97.137.195🇩🇪 TWL-KOM-AS193.97.137.0/24 VCHWHM-193.97.137 | ||||||
| PTR | www.wiley-vch.de | ||||||
| NS | ns2.she.de ⭐ | ||||||
| A | 85.215.5.236🇩🇪 CRONON-BERLIN-AS85.215.0.0/19 Cronon AG, Berlin | ||||||
| PTR | ns2.she.de | ||||||
| NS | ns.she.de | ||||||
| A | 2a00:a980::53🇩🇪 TWL-KOM-AS2a00:a980::/32 SHE Informationstechnologie AG | ||||||
| PTR | ns.she.de | ||||||
| A | 212.21.161.64🇩🇪 TWL-KOM-AS212.21.160.0/19 SHE | ||||||
| PTR | ns.she.de | ||||||
| TXT | Domainname protected by SHE | ||||||
| SOA | ns.she.dehostmaster@she.de 2026-04-10 #2 | ||||||
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=1776021732 | ||||||
Same first word
mathematicsopen.com |
Similar names
DNS History
3 records (3 active, 0 former)
●A193.97.137.1952015-08-22 → 2026-04-12 · 2 obs
● 2026-04-12 19:31:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net... | - |
| mathematicsopen.com | ns2.she.de, ns.she.de | - |
✅ Authoritative Response
Server:212.21.161.64
NS records: ns2.she.de, ns.she.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathematicsopen.com (unsigned zone)
⏱️ Timing
Total: 788ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.97.137.195 |
| NS | 2 | ns.she.de, ns2.she.de |
| TXT | 1 | Domainname protected by SHE |
| SOA | 1 | ns.she.de hostmaster.she.de |
Analysis
IP Addresses
mathematicsopen.com points to a single IP address: 193.97.137.195.
Other host names such as pss-showcase.de, rrl-solar.org, git-verlag.org, pssc-journal.org and advenergysustresearch.com share IP numbers with mathematicsopen.com.
Name Servers
mathematicsopen.com is delegated to two name servers: ns2.she.de and ns.she.de.
mathematicsopen.com uses the same name server setup as other domains, including jbio-journal.com, chemanager-international.com, advmattech.com, meyers-emcbmm.com and chempubsoc.org.
At least part of the name servers for mathematicsopen.com are shared with other domains, for instance 187.21.212.in-addr.arpa, jobmorgen.de, physicspro.net, pepperl-fuchs.info and pepperl-fuchs.com.
These name servers are often used together with ns.pepperl-fuchs.com, ns7.dns-net.de and ns.mamo.de.
Host names with two IP numbers: ns.she.de points to 2a00:a980::53 and 212.21.161.64.
Host names with one IP number: ns2.she.de points to 85.215.5.236.