opensdr.com - dns.ninja
opensdr.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=1782908856 | ||||||
Subdomains
www.opensdr.com |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSa.ns.opensdr.com2015-08-12 → 2016-12-25 · 4 obs
● 2016-12-25 07:41:56
○ 2026-03-15 02:05:10
○ 2026-07-01 12:52:10
○NSb.ns.opensdr.com2015-08-12 → 2016-12-25 · 4 obs
● 2016-12-25 07:41:56
○ 2026-03-15 02:05:10
○ 2026-07-01 12:52:10
●NSns1.dotster.com2026-03-15 → 2026-07-01 · 3 obs
● 2026-03-15 02:05:10
● 2026-07-01 12:52:10
●NSns2.dotster.com2026-03-15 → 2026-07-01 · 3 obs
● 2026-03-15 02:05:10
● 2026-07-01 12:52:10
○MXa.mx.opensdr.com2015-08-12 → 2016-12-25 · 4 obs
● 2016-12-25 07:41:56
○ 2026-03-15 02:05:10
○ 2026-07-01 12:52:10
●MXmx.emailarray.com2026-03-15 → 2026-07-01 · 3 obs
● 2026-03-15 02:05:10
● 2026-07-01 12:52:10
●MXmx2.emailarray.com2026-03-15 → 2026-07-01 · 3 obs
● 2026-03-15 02:05:10
● 2026-07-01 12:52:10
○A216.168.135.2072015-08-12 → 2016-12-25 · 4 obs
● 2016-12-25 07:41:56
○ 2026-03-15 02:05:10
○ 2026-07-01 12:52:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| opensdr.com | ns1.dotster.com, ns2.dotster.com | 2 records |
✅ Authoritative Response
Server:172.64.53.155
NS records: ns1.dotster.com, ns2.dotster.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opensdr.com (unsigned zone)
⏱️ Timing
Total: 234ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.dotster.com, ns1.dotster.com |
| MX | 2 | mx2.emailarray.com (pri: 10), mx.emailarray.com (pri: 5) |
| TXT | 1 | v=spf1 include:emailarray.com -all |
| SOA | 1 | NS1.DOTSTER.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dotster.com, ns2.dotster.com)
Analysis
Hierarchy
www.opensdr.com is delegated beneath opensdr.com.
Name Servers
opensdr.com is delegated to two name servers: ns1.dotster.com and ns2.dotster.com.
opensdr.com uses the same name servers as several other domains — among them acropoliscounselingcenter.com, hrma.com, punktshop.net and two more.
There is at least partial name server overlap between opensdr.com and other domains — labombardier.com, oaktreemd.net, localcardealerlistings.com and two more among them.
These name servers regularly appear alongside ns1.yourhostingaccount.com, ns2.yourhostingaccount.com, ns1.nameresolve.com and 3 other name servers in NS record sets.
ns1.dotster.com → 172.64.52.250 and ns2.dotster.com → 172.64.53.155: one IP number per host name.
Mail Servers
Mail for opensdr.com is handled by two mail servers — mx2.emailarray.com and mx.emailarray.com.
opensdr.com uses an identical mail server configuration to several other domains — among them owtjo.com, webfoundry.be, foreign.cn and two more.
Some mail servers of opensdr.com are also used by other domains, notably explorefomo.id and releelanau.com.
Hostnames pointing to five IP numbers:
mx.emailarray.com resolves to four IP addresses: 65.39.216.12, 65.39.216.33, 65.39.216.37 and two others.
Hostnames that resolve to three IP addresses:
mx2.emailarray.com points to 65.39.216.33, 65.39.216.37 and 65.39.216.41.
mx.emailarray.com and mx2.emailarray.com are host names that each point to 65.39.216.33 IP addresses.
mx.emailarray.com and mx2.emailarray.com are host names that each point to 65.39.216.37 IP addresses.
mx.emailarray.com and mx2.emailarray.com are host names that each point to 65.39.216.41 IP addresses.