sdrresearch.com - robtex.com
sdrresearch.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.128.242.27🇺🇸 UNITED-TELEPHONE66.128.240.0/20 United Telephone | ||||||
| PTR | host-66-128-242-27.united.net | ||||||
| NS | sdrresearch.com ⭐ | ||||||
| A | 66.128.242.27🇺🇸 UNITED-TELEPHONE66.128.240.0/20 United Telephone | ||||||
| PTR | host-66-128-242-27.united.net | ||||||
| NS | ns1.sdrresearch.com ⚠️ Not in parent delegation | ||||||
| A | 66.128.242.29🇺🇸 UNITED-TELEPHONE66.128.240.0/20 United Telephone | ||||||
| PTR | ns1.wwns.com | ||||||
| NS | ns1.wwns.com ⚠️ Not in zone NS records | ||||||
| A | 66.128.242.29🇺🇸 UNITED-TELEPHONE66.128.240.0/20 United Telephone | ||||||
| PTR | ns1.wwns.com | ||||||
| NS | ns2.sdrresearch.com ⚠️ Not in parent delegation | ||||||
| A | 66.128.242.26🇺🇸 UNITED-TELEPHONE66.128.240.0/20 United Telephone | ||||||
| PTR | host-66-128-242-26.united.net | ||||||
| NS | ns2.wwns.com ⚠️ Not in zone NS records | ||||||
| A | 66.128.242.22🇺🇸 UNITED-TELEPHONE66.128.240.0/20 United Telephone | ||||||
| PTR | ns2.wwns.com | ||||||
| MX | mail.sdrresearch.com ⭐ | ||||||
| A | 66.128.242.23🇺🇸 UNITED-TELEPHONE66.128.240.0/20 United Telephone | ||||||
| PTR | mail.wwns.com | ||||||
| SOA | sdrresearch.comroot@sdrresearch.com serial=20250925 | ||||||
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 | ||||||
NS for
sdrresearch.com |
Subdomains
Same first word
sdrresearch.com |
Similar names
DNS History
10 records (7 active, 3 former)
●NSns1.sdrresearch.com2026-03-20 → 2026-03-24 · 3 obs
● 2026-03-20 15:09:30
● 2026-03-24 10:06:50
●NSns2.sdrresearch.com2026-03-20 → 2026-03-24 · 3 obs
● 2026-03-20 15:09:30
● 2026-03-24 10:06:50
●NSns2.wwns.com2026-03-20 → 2026-03-24 · 3 obs
● 2026-03-20 15:09:30
● 2026-03-24 10:06:50
●NSsdrresearch.com2026-03-20 → 2026-03-24 · 3 obs
● 2026-03-20 15:09:30
● 2026-03-24 10:06:50
○NSusanglers.net2015-06-24 → 2017-02-09 · 4 obs
● 2017-02-09 15:29:48
○ 2026-03-20 15:09:30
○ 2026-03-24 10:06:50
●MXmail.sdrresearch.com2026-03-20 → 2026-03-24 · 3 obs
● 2026-03-20 15:09:30
● 2026-03-24 10:06:50
○MXmail.wwns.com2015-06-24 → 2017-02-09 · 4 obs
● 2017-02-09 15:29:48
○ 2026-03-20 15:09:30
○ 2026-03-24 10:06:50
●A66.128.242.272026-03-20 → 2026-03-24 · 3 obs
● 2026-03-20 15:09:30
● 2026-03-24 10:06:50
○A97.82.86.982015-06-24 → 2017-02-09 · 4 obs
● 2017-02-09 15:29:48
○ 2026-03-20 15:09:30
○ 2026-03-24 10:06:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sdrresearch.com | ns1.wwns.com, ns2.wwns.com | 2 records |
✅ Authoritative Response
Server:66.128.242.29
NS records: ns1.wwns.com, ns2.wwns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdrresearch.com (unsigned zone)
⏱️ Timing
Total: 213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.128.242.27 |
| NS | 2 | ns2.sdrresearch.com, ns1.sdrresearch.com |
| MX | 1 | mail.sdrresearch.com (pri: 10) |
| SOA | 1 | sdrresearch.com root.sdrresearch.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.wwns.com, ns2.wwns.com)
Analysis
Hierarchy
sdrresearch.com is a parent of ns1.sdrresearch.com, mail.sdrresearch.com and ns2.sdrresearch.com.
Name Server Role
sdrresearch.com acts as the name server for sdrresearch.com.
ns1.sdrresearch.com, ns2.sdrresearch.com and ns1.wwns.com commonly serve as nameservers together with sdrresearch.com.
IP Addresses
sdrresearch.com points to a single IP number: 66.128.242.27.
Name Servers
sdrresearch.com is delegated to five name servers: sdrresearch.com, ns1.sdrresearch.com, ns2.sdrresearch.com, ns1.wwns.com and ns2.wwns.com.
sdrresearch.com partially shares name servers with other domains, for instance wwns.com.
these name servers are often used together with the name servers wwns.wwns.com.
Host names with one IP number:
sdrresearch.com points to 66.128.242.27.
ns1.sdrresearch.com points to 66.128.242.29.
ns2.sdrresearch.com points to 66.128.242.26.
ns1.wwns.com points to 66.128.242.29.
ns2.wwns.com points to 66.128.242.22.
Host names pointing to 66.128.242.29: ns1.sdrresearch.com and ns1.wwns.com.
Mail Servers
The mail server for sdrresearch.com is mail.sdrresearch.com.
Host name mail.sdrresearch.com resolves to IP 66.128.242.23.