optblock.com - dns.ninja
optblock.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.50.252.64🇨🇦 OVH198.50.128.0/17 Hosting route | ||||||
| PTR | ip64.ip-198-50-252.net | ||||||
| NS | ns1.onlydomains.com ⭐ | ||||||
| A | 75.2.6.34🇺🇸 Amazon75.2.0.0/20 | ||||||
| PTR | aef93cd39153ffbac.awsglobalaccelerator.com | ||||||
| NS | ns2.onlydomains.com | ||||||
| A | 75.2.85.37🇺🇸 Amazon75.2.80.0/20 | ||||||
| PTR | a9bf3e392db71e4d0.awsglobalaccelerator.com | ||||||
| NS | ns3.onlydomains.com | ||||||
| A | 99.83.188.20🇺🇸 Amazon99.83.176.0/20 | ||||||
| PTR | aef93cd39153ffbac.awsglobalaccelerator.com | ||||||
| MX | mail.optblock.com ⭐ | ||||||
| A | 66.70.178.74🇨🇦 OVH66.70.128.0/17 Hosting route | ||||||
| PTR | ns547779.ip-66-70-178.net | ||||||
| SOA | ns1.onlydomains.comroot@onlydomains.com 2016-02-24 #1 | ||||||
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=1780961076 | ||||||
Subdomains
mail.optblock.com |
Same first word
optblock.com |
Similar names
topblock.info |
topblock.co.uk |
blockopt.ru |
topblock.biz |
topblock.co.kr |
potblock.com |
blockpot.com |
topblock.com |
blocktop.net |
pcboltok.eu |
topblock.net |
otpblock.com |
blockopt.com |
pcboltok.hu |
DNS History
6 records (5 active, 1 former)
●NSns1.onlydomains.com2016-03-21 → 2026-06-08 · 2 obs
● 2026-06-08 23:32:32
●NSns2.onlydomains.com2016-03-21 → 2026-06-08 · 2 obs
● 2026-06-08 23:32:32
●NSns3.onlydomains.com2016-03-21 → 2026-06-08 · 2 obs
● 2026-06-08 23:32:32
●MXmail.optblock.com2016-03-21 → 2026-06-08 · 2 obs
● 2026-06-08 23:32:32
○A184.95.38.1952016-03-21 → 2017-03-26 · 4 obs
● 2017-03-26 05:56:26
○ 2026-03-21 11:40:10
○ 2026-06-08 23:32:32
●A198.50.252.642026-03-21 → 2026-06-08 · 3 obs
● 2026-03-21 11:40:10
● 2026-06-08 23:32:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| optblock.com | ns1.onlydomains.com, ns2.onlydomains.com, ns3.onlydomains.com | 3 records |
✅ Authoritative Response
Server:75.2.6.34
NS records: ns1.onlydomains.com, ns2.onlydomains.com, ns3.onlydomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optblock.com (unsigned zone)
⏱️ Timing
Total: 3088ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.50.252.64 |
| NS | 3 | ns1.onlydomains.com, ns3.onlydomains.com... |
| MX | 1 | mail.optblock.com (pri: 10) |
| SOA | 1 | ns1.onlydomains.com root.onlydomains.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.onlydomains.com, ns2.onlydomains.com, ns3.onlydomains.com)
Analysis
Hierarchy
optblock.com is a parent domain of mail.optblock.com.
IP Addresses
optblock.com points to a single IP number: 198.50.252.64.
Additional host names — thenest.de, annamandozzi.com, aerosure.be and two others — share IP numbers with optblock.com.
Name Servers
optblock.com is served by three name servers: ns1.onlydomains.com, ns2.onlydomains.com and ns3.onlydomains.com.
optblock.com shares at least some of its name servers with other domains, including zinqnews.nl, seahorseoutlet.com.hk, porto-playa.com and two others.
These name servers are frequently paired with the name servers ns1.hostingww.com, ns2.hostingww.com and ns3.hostingww.com.
ns1.onlydomains.com has IP address 75.2.6.34, ns2.onlydomains.com has IP address 75.2.85.37 and ns3.onlydomains.com has IP address 99.83.188.20 — one address each.
Mail Servers
optblock.com has one mail server: mail.optblock.com.
mail.optblock.com resolves to 66.70.178.74 and no other IP number.