mathcad.ws - robtex.com
mathcad.ws
| DNSSEC | β οΈ Not signed | ||||||
| NS | dns-slough1.ptc.com β οΈ Not in zone NS records | ||||||
| A | 199.6.20.5πΊπΈ AS3561199.6.20.0/24 | ||||||
| NS | dns.ptc.com β οΈ Not in zone NS records | ||||||
| A | 12.11.148.11πΊπΈ AS1426712.11.148.0/24 | ||||||
| NS | dns2.ptc.com β οΈ Not in zone NS records | ||||||
| A | 12.11.148.12πΊπΈ AS1426712.11.148.0/24 | ||||||
ws
| DNSSEC | π Signed (DS record present) | ||||||
| A | 64.70.19.33πΊπΈ AS356164.70.0.0/18 | ||||||
| NS | ns2.dns.ws β | ||||||
| NS | a.dns.ws | ||||||
| NS | ns5.dns.ws | ||||||
| NS | s.dns.ws | ||||||
| NS | us3.dns.ws | ||||||
| NS | us4.dns.ws | ||||||
| MX | mail.worldsite.ws β | ||||||
| SOA | ns2.dns.wshostmaster@dns.ws serial=2603250238 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
βNSdns-slough1.ptc.com2026-02-17 β 2026-03-25 Β· 2 obs
β 2026-03-25 23:23:22
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ws | us3.dns.ws, a.dns.ws, s.dns.ws, ns2.dns.ws... | 8 records |
| mathcad.ws | dns2.ptc.com, dns.ptc.com, dns-slough1.ptc.com | - |
β Authoritative Response
Server:199.6.20.5
NS records: dns2.ptc.com, dns.ptc.com, dns-slough1.ptc.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for mathcad.ws (unsigned zone)
β±οΈ Timing
Total: 733ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|
π Glue Records Collected
Total: 8
In-bailiwick: 8 (us4.dns.ws, us3.dns.ws, ns5.dns.ws...)
Analysis
Name Servers
mathcad.ws delegates to three name servers: dns-slough1.ptc.com, dns2.ptc.com and dns.ptc.com.
mathcad.ws shares some name servers with other domains, for example axeda.org, mathsoft.biz, arbortextisodraw.com, 28.6.199.in-addr.arpa and factoracloud.org.
These name servers are commonly used with the name servers a1-247.akam.net, a10-67.akam.net, a12-66.akam.net, a2-65.akam.net, a5-67.akam.net and a9-65.akam.net.
Host names with a single IP: dns-slough1.ptc.com points to 199.6.20.5; dns2.ptc.com points to 12.11.148.12; dns.ptc.com points to 12.11.148.11.