v4b.app - robtex.com
v4b.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.171.139.31🇺🇸 Amazon3.171.136.0/22 | ||||||
| PTR | server-3-171-139-31.jfk52.r.cloudfront.net | ||||||
| A | 3.171.139.32🇺🇸 Amazon3.171.136.0/22 | ||||||
| A | 3.171.139.91🇺🇸 Amazon3.171.136.0/22 | ||||||
| A | 3.171.139.129🇺🇸 Amazon3.171.136.0/22 | ||||||
| NS | ns-1085.awsdns-07.org ⭐ | ||||||
| A | 2600:9000:5304:3d00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1085.awsdns-07.org | ||||||
| A | 205.251.196.61🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1085.awsdns-07.org | ||||||
| NS | ns-14.awsdns-01.com | ||||||
| A | 2600:9000:5300:e00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-14.awsdns-01.com | ||||||
| A | 205.251.192.14🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-14.awsdns-01.com | ||||||
| NS | ns-1595.awsdns-07.co.uk | ||||||
| A | 2600:9000:5306:3b00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1595.awsdns-07.co.uk | ||||||
| A | 205.251.198.59🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1595.awsdns-07.co.uk | ||||||
| NS | ns-543.awsdns-03.net | ||||||
| A | 2600:9000:5302:1f00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-543.awsdns-03.net | ||||||
| A | 205.251.194.31🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-543.awsdns-03.net | ||||||
| SOA | ns-1085.awsdns-07.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
v4b.co |
v4b.biz |
v4b.pl |
v4b.ru |
v4b.cc |
v4b.com |
v4b.it |
v4b.de |
v4b.ca |
v4b.co.uk |
v4b.pt |
v4b.app |
v4b.org |
v4b.net |
v4b.com.mx |
v4b.com.br |
v4b.gr |
Similar names
vb4.net |
4bv.ru |
b4v.de |
vb4.ru |
4bv.de |
4bv.com |
bv4.net |
vb4.jp |
vb4.com |
b4v.cn |
4vb.de |
vb4.info |
b4v.net |
b4v.cz |
b4v.nl |
vb4.de |
4vb.ru |
4vb.org |
vb4.cn |
vb4.eu |
bv4.ch |
b4v.org |
bv4.biz |
bv4.de |
4vb.net |
4bv.cn |
DNS History
12 records (8 active, 4 former)
●NSns-1085.awsdns-07.org2026-03-13 → 2026-03-14 · 2 obs
● 2026-03-14 06:53:26
●NSns-14.awsdns-01.com2026-03-13 → 2026-03-14 · 2 obs
● 2026-03-14 06:53:26
●NSns-1595.awsdns-07.co.uk2026-03-13 → 2026-03-14 · 2 obs
● 2026-03-14 06:53:26
●NSns-543.awsdns-03.net2026-03-13 → 2026-03-14 · 2 obs
● 2026-03-14 06:53:26
○A108.138.64.1142026-03-13 → 2026-03-13 · 3 obs
○ 2026-03-14 06:53:24
○ 2026-03-14 06:53:26
○A108.138.64.1182026-03-13 → 2026-03-13 · 3 obs
○ 2026-03-14 06:53:24
○ 2026-03-14 06:53:26
○A108.138.64.1292026-03-13 → 2026-03-13 · 3 obs
○ 2026-03-14 06:53:24
○ 2026-03-14 06:53:26
○A108.138.64.522026-03-13 → 2026-03-13 · 3 obs
○ 2026-03-14 06:53:24
○ 2026-03-14 06:53:26
●A3.171.139.1292026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 06:53:24
● 2026-03-14 06:53:26
●A3.171.139.312026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 06:53:24
● 2026-03-14 06:53:26
●A3.171.139.322026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 06:53:24
● 2026-03-14 06:53:26
●A3.171.139.912026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 06:53:24
● 2026-03-14 06:53:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| v4b.app | ns-543.awsdns-03.net, ns-1595.awsdns-07.co.uk, ns-14.awsdns-01.com, ns-1085.awsdns-07.org | - |
✅ Authoritative Response
Server: 205.251.194.31
NS records: ns-543.awsdns-03.net, ns-1595.awsdns-07.co.uk, ns-14.awsdns-01.com, ns-1085.awsdns-07.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for v4b.app (unsigned zone)
⏱️ Timing
Total: 786ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 3.171.139.91, 3.171.139.31... |
| NS | 4 | ns-1085.awsdns-07.org, ns-14.awsdns-01.com... |
| SOA | 1 | ns-1085.awsdns-07.org awsdns-hostmaster. |
Analysis
IP Addresses
v4b.app points to four IP numbers: 3.171.139.31, 3.171.139.32, 3.171.139.91 and 3.171.139.129.
Other host names including opencbct.com, d22yhlbssomw9s.cloudfront.net, dkdnc.com, franchan.jp and mybabyscript.com share IP numbers with v4b.app.
Name Servers
v4b.app is delegated to four name servers: ns-14.awsdns-01.com, ns-543.awsdns-03.net, ns-1085.awsdns-07.org and ns-1595.awsdns-07.co.uk.
v4b.app at least partially shares name servers with other domains, including jbtech.io, entropydoom.com, measure.agilemeasure.com, libtrack.com and syncsketch.com.
These name servers are commonly used with the name servers ns-124.awsdns-15.comns-1216.awsdns-24.orgns-1838.awsdns-37.co.ukns-301.awsdns-37.comns-1493.awsdns-58.org and ns-1750.awsdns-26.co.uk.
Hosts with two IP numbers:
Host ns-14.awsdns-01.com points to 2600:9000:5300:e00::1 and 205.251.192.14
Host ns-543.awsdns-03.net points to 2600:9000:5302:1f00::1 and 205.251.194.31
Host ns-1085.awsdns-07.org points to 2600:9000:5304:3d00::1 and 205.251.196.61
Host ns-1595.awsdns-07.co.uk points to 2600:9000:5306:3b00::1 and 205.251.198.59