block20.com - robtex.com
block20.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns1.afternic.com ⭐ | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| NS | ns2.afternic.com | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=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=1774626027 | ||||||
Subdomains
www.block20.com |
Same first word
DNS History
13 records (4 active, 9 former)
○NSdns10.hichina.com2017-01-20 → 2017-01-20 · 3 obs
● 2017-01-20 23:28:32
○ 2026-03-27 15:47:32
○NSdns9.hichina.com2017-01-20 → 2017-01-20 · 3 obs
● 2017-01-20 23:28:32
○ 2026-03-27 15:47:32
●NSns1.afternic.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:47:32
●NSns2.afternic.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:47:32
○NSns53.domaincontrol.com2015-08-12 → 2016-04-19 · 4 obs
● 2016-04-19 15:18:48
○ 2017-01-20 23:28:32
○ 2026-03-27 15:47:32
○NSns54.domaincontrol.com2015-08-12 → 2016-04-19 · 4 obs
● 2016-04-19 15:18:48
○ 2017-01-20 23:28:32
○ 2026-03-27 15:47:32
○MXmail.block20.com2015-08-12 → 2016-04-19 · 4 obs
● 2016-04-19 15:18:48
○ 2017-01-20 23:28:32
○ 2026-03-27 15:47:32
○A107.180.4.2152015-08-12 → 2016-04-19 · 4 obs
● 2016-04-19 15:18:48
○ 2017-01-20 23:28:32
○ 2026-03-27 15:47:32
●A13.248.169.482026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:47:32
○A199.59.243.2282026-03-27 → 2026-03-27 · 1 obs
●A76.223.54.1462026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:47:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net... | - |
| block20.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for block20.com (unsigned zone)
⏱️ Timing
Total: 76ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
Hierarchy
block20.com is the parent of www.block20.com.
IP Addresses
block20.com resolves to two IPs: 13.248.169.48 and 76.223.54.146.
other host names for instance southrimchamberofcommerce.com, ns3.dopecraft.net, 23.19.251.168.rdns.ubiquity.io, hallpass.com and libertytheme.com share IP numbers with block20.com.
Name Servers
block20.com is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.
block20.com shares the same name server setup as other domains, for example onlineal.com, kasimmo.com, usanever.com, sflove.com and information.tips.
block20.com at least partially shares name servers with other domains, for instance physiquesfitness.com, algebraiq.com, coresure.com, emergencyfood.net and renova.pro.
Host names with two IP numbers:
ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69
ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69