b4a.link - robtex.com
b4a.link
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.159.233.95🇺🇸 Amazon13.158.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-13-159-233-95.ap-northeast-1.compute.amazonaws.com | ||||||
| A | 52.197.161.105🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix | ||||||
| NS | ns-1673.awsdns-17.co.uk ⭐ | ||||||
| A | 2600:9000:5306:8900::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1673.awsdns-17.co.uk | ||||||
| A | 205.251.198.137🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1673.awsdns-17.co.uk | ||||||
| NS | ns-1527.awsdns-62.org | ||||||
| A | 2600:9000:5305:f700::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1527.awsdns-62.org | ||||||
| A | 205.251.197.247🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1527.awsdns-62.org | ||||||
| NS | ns-349.awsdns-43.com | ||||||
| A | 2600:9000:5301:5d00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-349.awsdns-43.com | ||||||
| A | 205.251.193.93🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-349.awsdns-43.com | ||||||
| NS | ns-860.awsdns-43.net | ||||||
| A | 2600:9000:5303:5c00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-860.awsdns-43.net | ||||||
| A | 205.251.195.92🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-860.awsdns-43.net | ||||||
| SOA | ns-1673.awsdns-17.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
link
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1772504333 | ||||||
Same first word
b4a.pt |
b4a.eu |
b4a.biz |
b4a.us |
b4a.app |
b4a.com |
b4a.nl |
b4a.xyz |
b4a.ru |
b4a.systems |
b4a.de |
b4a.se |
b4a.ir |
b4a.link |
b4a.io |
b4a.net.br |
b4a.run |
b4a.org |
b4a.clinic |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns-1527.awsdns-62.org2026-03-01 → 2026-03-03 · 2 obs
● 2026-03-03 05:31:26
●NSns-1673.awsdns-17.co.uk2026-03-01 → 2026-03-03 · 2 obs
● 2026-03-03 05:31:26
●NSns-349.awsdns-43.com2026-03-01 → 2026-03-03 · 2 obs
● 2026-03-03 05:31:26
●NSns-860.awsdns-43.net2026-03-01 → 2026-03-03 · 2 obs
● 2026-03-03 05:31:26
●A13.159.233.952026-03-01 → 2026-03-03 · 2 obs
● 2026-03-03 05:31:26
●A52.197.161.1052026-03-01 → 2026-03-03 · 2 obs
● 2026-03-03 05:31:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| link | ns01.trs-dns.com, ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net | - |
| b4a.link | ns-349.awsdns-43.com, ns-1673.awsdns-17.co.uk, ns-1527.awsdns-62.org, ns-860.awsdns-43.net | - |
✅ Authoritative Response
Server: 205.251.195.92
NS records: ns-349.awsdns-43.com, ns-1673.awsdns-17.co.uk, ns-1527.awsdns-62.org, ns-860.awsdns-43.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b4a.link (unsigned zone)
⏱️ Timing
Total: 530ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 52.197.161.105, 13.159.233.95 |
| NS | 4 | ns-1527.awsdns-62.org, ns-1673.awsdns-17.co.uk... |
| SOA | 1 | ns-1673.awsdns-17.co.uk awsdns-hostmaste |
Analysis
IP Addresses
b4a.link points to two IPs: 13.159.233.95 and 52.197.161.105.
Other host names such as www.ledinside.com.tw, www.ledinside.com and ledinside.com share IP numbers with b4a.link.
Name Servers
b4a.link is delegated to four name servers: ns-349.awsdns-43.com, ns-860.awsdns-43.net, ns-1527.awsdns-62.org and ns-1673.awsdns-17.co.uk.
b4a.link at least partially shares name servers with other domains, including ifafl.com, rhimr.co.uk, uflexi.com, bridgetobrisbane.net and experianserasa.com.
These name servers are commonly used with ns-261.awsdns-32.com, ns-653.awsdns-17.net, ns-1856.awsdns-40.co.uk, b.ns.campaign.adobe.com, c.ns.campaign.adobe.com, d.ns.campaign.adobe.com, a.ns.campaign.adobe.com and ns-998.awsdns-60.net.
Hosts with two IP numbers:
Host ns-349.awsdns-43.com points to 2600:9000:5301:5d00::1 and 205.251.193.93
Host ns-860.awsdns-43.net points to 2600:9000:5303:5c00::1 and 205.251.195.92
Host ns-1527.awsdns-62.org points to 2600:9000:5305:f700::1 and 205.251.197.247
Host ns-1673.awsdns-17.co.uk points to 2600:9000:5306:8900::1 and 205.251.198.137