blkstudy.org - robtex.com
blkstudy.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 148.105.251.16🇺🇸 THEROCKETSCIENCEGROUP148.105.251.0/24 | ||||||
| NS | ns1.systemdns.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:90🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.systemdns.com | ||||||
| A | 216.40.47.90🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.systemdns.com | ||||||
| NS | ns2.systemdns.com | ||||||
| A | 2604:4000:2800:d:64:99:148:16🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| A | 64.98.148.16🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| NS | ns3.systemdns.com | ||||||
| A | 2604:4000:0:d:64:99:96:36🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.systemdns.com | ||||||
| A | 64.99.96.36🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.systemdns.com | ||||||
| SOA | ns1.systemdns.comhostmaster@systemdns.com serial=1709843846 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1778355143 | ||||||
Same first word
blkstudy.org |
DNS History
4 records (4 active, 0 former)
●NSns1.systemdns.com2026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 19:44:54
●NSns2.systemdns.com2026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 19:44:54
●NSns3.systemdns.com2026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 19:44:54
●A148.105.251.162026-04-30 → 2026-05-09 · 2 obs
● 2026-05-09 19:44:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| blkstudy.org | ns3.systemdns.com, ns1.systemdns.com, ns2.systemdns.com | - |
✅ Authoritative Response
Server:64.99.96.36
NS records: ns3.systemdns.com, ns1.systemdns.com, ns2.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blkstudy.org (unsigned zone)
⏱️ Timing
Total: 421ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.105.251.16 |
| NS | 3 | ns1.systemdns.com, ns3.systemdns.com... |
| SOA | 1 | ns1.systemdns.com hostmaster.systemdns.c |
Analysis
IP Addresses
blkstudy.org points to an IP address: 148.105.251.16.
other host names include maurice-vincent-komischke.com, tywyncatholic.com, helderbergfineart.co.za, katiebacigalupi.com and omenbrewing.com; they share IP numbers with blkstudy.org.
Name Servers
blkstudy.org is delegated to three name servers ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
blkstudy.org at least partially shares name servers with other domains, for instance livelatina.com, mqmedia.net, cdcmc.ca, funeralhomematthews.com and cajscholarshipfoundation.org.
Host names with two IP numbers:
ns1.systemdns.com points to 2604:4000:0:d:216:40:47:90 and 216.40.47.90; ns2.systemdns.com points to 2604:4000:2800:d:64:99:148:16 and 64.98.148.16; ns3.systemdns.com points to 2604:4000:0:d:64:99:96:36 and 64.99.96.36.