startupstudygroup.com - dns.ninja
startupstudygroup.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=1784899087 | ||||||
Subdomains
www.startupstudygroup.com |
Same first word
startupstudygroup.com |
DNS History
7 records (7 active, 0 former)
●NSa.auth-ns.sonic.net2015-05-16 → 2026-07-24 · 2 obs
● 2026-07-24 13:45:42
●NSb.auth-ns.sonic.net2015-05-16 → 2026-07-24 · 2 obs
● 2026-07-24 13:45:42
●NSc.auth-ns.sonic.net2015-05-16 → 2026-07-24 · 2 obs
● 2026-07-24 13:45:42
●MXmailin-01.mx.sonic.net2015-05-16 → 2026-07-24 · 2 obs
● 2026-07-24 13:45:42
●MXmailin-02.mx.sonic.net2015-05-16 → 2026-07-24 · 2 obs
● 2026-07-24 13:45:42
●A209.204.149.62015-05-16 → 2026-07-24 · 2 obs
● 2026-07-24 13:45:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| startupstudygroup.com | a.auth-ns.sonic.net, b.auth-ns.sonic.net, c.auth-ns.sonic.net | - |
✅ Authoritative Response
Server:209.148.110.23
NS records: a.auth-ns.sonic.net, b.auth-ns.sonic.net, c.auth-ns.sonic.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for startupstudygroup.com (unsigned zone)
⏱️ Timing
Total: 2625ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.204.149.6 |
| NS | 3 | a.auth-ns.sonic.net, b.auth-ns.sonic.net... |
| MX | 2 | mailin-02.mx.sonic.net (pri: 10), mailin-01.mx.sonic.net (pri: 10) |
| TXT | 1 | v=spf1 include:mail.sonic.net ~all |
| SOA | 1 | ns1.sonic.net hostmaster.sonic.net |
Analysis
Hierarchy
The domain www.startupstudygroup.com falls under the parent startupstudygroup.com.
IP Addresses
startupstudygroup.com resolves to one IP address: 209.204.149.6.
Name Servers
The authoritative name servers for startupstudygroup.com are ns1.sonic.net, a.auth-ns.sonic.net, b.auth-ns.sonic.net and c.auth-ns.sonic.net.
At least some of startupstudygroup.com's name servers are shared with other domains, for example 208.12.69.in-addr.arpa, 200.93.23.in-addr.arpa, 104.101.75.in-addr.arpa and two more.
These name servers tend to be deployed in combination with the name servers sonic.net and d.auth-ns.sonic.net.
Four hostnames, each resolving to a pair of IP addresses: ns1.sonic.net directs to 50.0.1.1 and 2001:5a8::11; a.auth-ns.sonic.net directs to 209.148.110.23 and 2001:5a8:601:53:209:148:110:23; b.auth-ns.sonic.net directs to 75.101.68.144 and 2607:43c1:1:3::144; c.auth-ns.sonic.net directs to 162.216.16.194 and 2600:3c03::2000:1fff:fe97:bcf4.
Mail Servers
Mail for startupstudygroup.com is handled by two mail servers — mailin-01.mx.sonic.net and mailin-02.mx.sonic.net.
startupstudygroup.com uses an identical mail server configuration to several other domains — among them silvaresearch.com, granitebyrafael.com, breadtruck.com and two more.
startupstudygroup.com overlaps on mail servers with certain other domains, ecoforms.com among them.
The hosts mailin-01.mx.sonic.net and mailin-02.mx.sonic.net both resolve to three IP numbers: mailin-01.mx.sonic.net to 157.131.224.68, 157.131.224.69 and 157.131.224.70, and mailin-02.mx.sonic.net to 157.131.224.71, 157.131.224.72 and 157.131.224.73.