knowcas.com - robtex.com
knowcas.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.ddmnet.com ⚠️ Not in zone NS records | ||||||
| A | 65.23.73.135🇺🇸 USSIGNAL65.23.64.0/19 US Signal Company | ||||||
| PTR | ns1.ddmnet.com | ||||||
| NS | ns2.ddmnet.com ⚠️ Not in zone NS records | ||||||
| A | 65.23.73.136🇺🇸 USSIGNAL65.23.64.0/19 US Signal Company | ||||||
| PTR | ns2.ddmnet.com | ||||||
| NS | ns3.ddmnet.com ⚠️ Not in zone NS records | ||||||
| A | 184.106.95.131🇺🇸 RACKSPACE-ORD184.106.64.0/18 Rackspace ORD | ||||||
| PTR | 184-106-95-131.static.cloud-ips.com | ||||||
| NS | ns4.ddmnet.com ⚠️ Not in zone NS records | ||||||
| A | 173.203.102.215🇺🇸 RACKSPACE-ORD173.203.0.0/17 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | ||||||
| PTR | 173-203-102-215.static.cloud-ips.com | ||||||
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=1771291435 | ||||||
Same first word
knowcas.com |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1.ddmnet.com2015-05-10 → 2026-03-23 · 2 obs
● 2026-03-23 21:27:30
●NSns2.ddmnet.com2015-05-10 → 2026-03-23 · 2 obs
● 2026-03-23 21:27:30
●NSns3.ddmnet.com2015-05-10 → 2026-03-23 · 2 obs
● 2026-03-23 21:27:30
●NSns4.ddmnet.com2015-05-10 → 2026-03-23 · 2 obs
● 2026-03-23 21:27:30
○A65.23.73.1662015-10-14 → 2017-06-29 · 5 obs
● 2015-10-14 23:37:10
● 2017-06-29 17:57:30
○ 2026-03-23 13:32:16
○ 2026-03-23 21:27:30
○A69.130.231.302015-05-10 → 2015-05-10 · 3 obs
○ 2015-10-14 23:37:10
○ 2026-03-23 21:27:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| knowcas.com | ns1.ddmnet.com, ns2.ddmnet.com, ns3.ddmnet.com, ns4.ddmnet.com | 4 records |
✅ Authoritative Response
Server:65.23.73.135
NS records: ns1.ddmnet.com, ns2.ddmnet.com, ns3.ddmnet.com, ns4.ddmnet.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowcas.com (unsigned zone)
⏱️ Timing
Total: 182ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.ddmnet.com, ns2.ddmnet.com, ns3.ddmnet.com...)
Analysis
Name Servers
knowcas.com's delegation is handled by four name servers: ns1.ddmnet.com, ns2.ddmnet.com, ns3.ddmnet.com and ns4.ddmnet.com.
knowcas.com partially shares name servers with other domains; examples include teamddm.com, stilesmachinery.com, ddmnet.com, newkirkelectric.biz and ddmqa.com.
Host names with one IP:
ns1.ddmnet.com points to 65.23.73.135
ns2.ddmnet.com points to 65.23.73.136
ns3.ddmnet.com points to 184.106.95.131
ns4.ddmnet.com points to 173.203.102.215