mathsoft.biz - robtex.com
mathsoft.biz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-slough1.ptc.com ⚠️ Not in zone NS records | ||||||
| A | 199.6.20.5🇺🇸 AS3561199.6.20.0/24 | ||||||
| NS | dns.ptc.com ⚠️ Not in zone NS records | ||||||
| A | 12.11.148.11🇺🇸 AS1426712.11.148.0/24 | ||||||
| NS | dns2.ptc.com ⚠️ Not in zone NS records | ||||||
| A | 12.11.148.12🇺🇸 AS1426712.11.148.0/24 | ||||||
biz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld.biz ⭐ | ||||||
| NS | b.gtld.biz | ||||||
| NS | c.gtld.biz | ||||||
| NS | m.gtld.biz | ||||||
| NS | n.gtld.biz | ||||||
| NS | w.gtld.biz | ||||||
| NS | x.gtld.biz | ||||||
| NS | y.gtld.biz | ||||||
| SOA | a.gtld.bizadmin@tldns.godaddy serial=1774457804 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
●NSdns-slough1.ptc.com2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 23:14:58
● 2026-03-25 17:31:30
●NSdns.ptc.com2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 23:14:58
● 2026-03-25 17:31:30
●NSdns2.ptc.com2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 23:14:58
● 2026-03-25 17:31:30
○NSns1.ipmanagerinc.net2015-06-27 → 2015-11-07 · 4 obs
● 2015-11-07 04:28:20
○ 2026-02-17 23:14:58
○ 2026-03-25 17:31:30
○NSns2.ipmanagerinc.net2015-06-27 → 2015-11-07 · 4 obs
● 2015-11-07 04:28:20
○ 2026-02-17 23:14:58
○ 2026-03-25 17:31:30
○NSns3.ipmanagerinc.net2015-06-27 → 2015-11-07 · 4 obs
● 2015-11-07 04:28:20
○ 2026-02-17 23:14:58
○ 2026-03-25 17:31:30
○NSns4.ipmanagerinc.net2015-06-27 → 2015-11-07 · 4 obs
● 2015-11-07 04:28:20
○ 2026-02-17 23:14:58
○ 2026-03-25 17:31:30
○NSns5.ipmanagerinc.net2015-06-27 → 2015-11-07 · 4 obs
● 2015-11-07 04:28:20
○ 2026-02-17 23:14:58
○ 2026-03-25 17:31:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| biz | a.gtld.biz, b.gtld.biz, c.gtld.biz, m.gtld.biz... | - |
| mathsoft.biz | dns.ptc.com, dns-slough1.ptc.com, dns2.ptc.com | - |
✅ Authoritative Response
Server:12.11.148.11
NS records: dns.ptc.com, dns-slough1.ptc.com, dns2.ptc.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathsoft.biz (unsigned zone)
⏱️ Timing
Total: 647ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
The delegation for mathsoft.biz is handled by three name servers: dns-slough1.ptc.com, dns2.ptc.com and dns.ptc.com.
mathsoft.biz shares name servers with other domains at least partially, for example arbortext.com, ptcmanaged.org, pure-systems.eu, axeda.net and we-are-ar.de.
These name servers are commonly used alongside 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 address: 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.