public21.com - robtex.com

public21.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
A2600:1f18:683a:ae1a:aa86:dc69:2f3:5dbe🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:3376:e04f:851f:406c🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:a510:c365:d06a:e73a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A52.91.47.137🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix
PTRec2-52-91-47-137.compute-1.amazonaws.com
A54.92.199.119🇺🇸 Amazon54.92.128.0/17 EC2 IAD prefix
PTRec2-54-92-199-119.compute-1.amazonaws.com
A98.83.163.23🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix
PTRec2-98-83-163-23.compute-1.amazonaws.com
NSnsg1.namebrightdns.com
A2600:1f18:683a:ae1a:5c5e:bc55:1478:cf93🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e842:8110:107c:b494🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:6b1c:bb29:2e34:d31d🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:a136:1971:9598:5d4a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A13.221.125.168🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
PTRec2-13-221-125-168.compute-1.amazonaws.com
A23.22.234.151🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix
PTRec2-23-22-234-151.compute-1.amazonaws.com
A44.220.149.224🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-220-149-224.compute-1.amazonaws.com
A54.90.222.89🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix
PTRec2-54-90-222-89.compute-1.amazonaws.com
A54.221.168.107🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix
PTRec2-54-221-168-107.compute-1.amazonaws.com
NSnsg2.namebrightdns.com
A2600:1f18:683a:ae1a:5de3:627d:7177:d4b4🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:130f:6e59:4e36:8c1e🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:9806:d504:f0e4:26c🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:eda8:cb11:b8f:c1fe🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.82.54.251🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-82-54-251.compute-1.amazonaws.com
A3.85.217.230🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-85-217-230.compute-1.amazonaws.com
A3.89.204.207🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-89-204-207.compute-1.amazonaws.com
A54.145.228.233🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix
PTRec2-54-145-228-233.compute-1.amazonaws.com
A98.93.89.251🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix
PTRec2-98-93-89-251.compute-1.amazonaws.com
TXTv=spf1 -all
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
SOAns1.namebrightdns.comdns@namebright.com 2026-03-24 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774391212

Same first word

public21.com

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
public21.comnsg1.namebrightdns.com, nsg2.namebrightdns.com20 records

✅ Authoritative Response

Server:3.85.217.230

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for public21.com (unsigned zone)

⏱️ Timing

Total: 165ms | Queries: -

📄 Records

TypeCountSample Data
A254.243.117.197, 13.223.25.84
AAAA22600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb
NS2nsg2.namebrightdns.com, nsg1.namebrightdns.com
TXT2v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj
SOA1ns1.namebrightdns.com dns.namebright.com

📌 Glue Records Collected

Total: 20

Out-of-bailiwick: 20 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by public21.com: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

other host names including feng66.com, 9321.apcupsdy.com, cscps.com, electricwinter.com and www.lvinfo.com share IP numbers with public21.com.

Name Servers

public21.com is delegated to three name servers ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

public21.com at least partially shares name servers with other domains, for instance jambonekennels.com.siteaero.com, ocalaconstruction.com, dietoffer.com, federalprism.com and clicks.blabwise.com.

These name servers are commonly used with ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Ten IP numbers for a host name: nsg1.namebrightdns.com points to 2600:1f18:683a:ae1a:5c5e:bc55:1478:cf93, 2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a, 2600:1f18:683a:ae1a:e842:8110:107c:b494, 2600:1f18:683a:ae1b:6b1c:bb29:2e34:d31d, 2600:1f18:683a:ae1b:a136:1971:9598:5d4a, 13.221.125.168, 23.22.234.151, 44.220.149.224, 54.90.222.89 and 54.221.168.107.

Another host name: nsg2.namebrightdns.com points to 2600:1f18:683a:ae1a:5de3:627d:7177:d4b4, 2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758, 2600:1f18:683a:ae1b:130f:6e59:4e36:8c1e, 2600:1f18:683a:ae1b:9806:d504:f0e4:26c, 2600:1f18:683a:ae1b:eda8:cb11:b8f:c1fe, 3.82.54.251, 3.85.217.230, 3.89.204.207, 54.145.228.233 and 98.93.89.251.

Six IP numbers for a host name: ns1.namebrightdns.com points to 2600:1f18:683a:ae1a:aa86:dc69:2f3:5dbe, 2600:1f18:683a:ae1b:3376:e04f:851f:406c, 2600:1f18:683a:ae1b:a510:c365:d06a:e73a, 52.91.47.137, 54.92.199.119 and 98.83.163.23.

Pattern: IPs in each group increase by 3.