drcalculator.net - robtex.com
drcalculator.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:52:704::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | www.drcalculator.com | ||||||
| A | 202.61.241.126🇦🇹 netcup-AS202.61.240.0/22 | ||||||
| NS | ns1.blacknight.com ⭐ | ||||||
| A | 78.153.212.176🇮🇪 BLACKNIGHT-AS78.153.212.0/24 IE-BLACKNIGHT-INFRA | ||||||
| PTR | ns1.blacknight.com | ||||||
| NS | ns2.blacknight.com | ||||||
| A | 2a01:a8:dc3:3313::aaaa🇮🇪 BLACKNIGHT-AS2a01:a8::/32 IE-BLACKNIGHT-PA-IPV6 | ||||||
| PTR | ns2.blacknight.com | ||||||
| A | 81.17.254.6🇮🇪 BLACKNIGHT-AS81.17.240.0/20 IE-BLACKNIGHT-PA | ||||||
| PTR | ns2.blacknight.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.blacknight.comhostmaster@blacknight.com serial=1276310309 | ||||||
net
| 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=1785966964 | ||||||
Same first word
drcalculator.net |
drcalculator.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.blacknight.com2026-03-26 → 2026-08-05 · 3 obs
● 2026-03-26 16:23:30
● 2026-08-05 22:21:32
○NSns1.pairnic.com2015-04-07 → 2017-06-25 · 4 obs
● 2017-06-25 03:54:28
○ 2026-03-26 16:23:30
○ 2026-08-05 22:21:32
●NSns2.blacknight.com2026-03-26 → 2026-08-05 · 3 obs
● 2026-03-26 16:23:30
● 2026-08-05 22:21:32
○NSns2.pairnic.com2015-04-07 → 2017-06-25 · 4 obs
● 2017-06-25 03:54:28
○ 2026-03-26 16:23:30
○ 2026-08-05 22:21:32
●A202.61.241.1262026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 22:21:32
○A216.92.3.1102015-04-07 → 2017-06-25 · 4 obs
● 2017-06-25 03:54:28
○ 2026-03-26 16:23:30
○ 2026-08-05 22:21:32
○A2600:1f16:411:d200:e904:3468:3247:58902026-03-26 → 2026-05-10 · 4 obs
● 2026-03-26 16:23:30
● 2026-05-10 09:51:56
○ 2026-08-05 22:21:32
●A2a03:4000:52:704::12026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 22:21:32
○A52.15.99.1572026-03-26 → 2026-05-10 · 4 obs
● 2026-03-26 16:23:30
● 2026-05-10 09:51:56
○ 2026-08-05 22:21:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| drcalculator.net | ns1.blacknight.com, ns2.blacknight.com | - |
✅ Authoritative Response
Server:78.153.212.176
NS records: ns1.blacknight.com, ns2.blacknight.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for drcalculator.net (unsigned zone)
⏱️ Timing
Total: 388ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.61.241.126 |
| AAAA | 1 | 2a03:4000:52:704::1 |
| NS | 2 | ns1.blacknight.com, ns2.blacknight.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.blacknight.com hostmaster.blacknight |
Analysis
IP Addresses
drcalculator.net has two IP addresses: 202.61.241.126 and 2a03:4000:52:704::1
Other host names, such as drcalculator.com, share IP numbers with drcalculator.net.
Name Servers
drcalculator.net is delegated to two name servers: ns1.blacknight.com and ns2.blacknight.com.
drcalculator.net shares its name server setup with other domains, including buyersagent.ie, killarneytour.com, mysecondspring.ie and two others.
There is at least partial name server overlap between drcalculator.net and other domains — basilconroy.com, lakesidewheelers.ie, opatsi.info and two more among them.
These name servers frequently co-occur with the name servers ns3.blacknight.com and ns4.blacknight.com.
Host names with two IP numbers:
ns2.blacknight.com points to 81.17.254.6 and 2a01:a8:dc3:3313::aaaa.
Host names pointing to a single IP address:
ns1.blacknight.com points to 78.153.212.176.