ustr.in - robtex.com
ustr.in
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.17.42.245🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix | ||||||
| PTR | ec2-3-17-42-245.us-east-2.compute.amazonaws.com | ||||||
| A | 3.129.55.115🇺🇸 Amazon3.128.0.0/15 EC2 CMH prefix | ||||||
| NS | ns-600.awsdns-11.net ⭐ | ||||||
| A | 2600:9000:5302:5800::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-600.awsdns-11.net | ||||||
| A | 205.251.194.88🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-600.awsdns-11.net | ||||||
| NS | ns-1059.awsdns-04.org | ||||||
| A | 2600:9000:5304:2300::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1059.awsdns-04.org | ||||||
| A | 205.251.196.35🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1059.awsdns-04.org | ||||||
| NS | ns-1873.awsdns-42.co.uk | ||||||
| A | 2600:9000:5307:5100::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1873.awsdns-42.co.uk | ||||||
| A | 205.251.199.81🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1873.awsdns-42.co.uk | ||||||
| NS | ns-259.awsdns-32.com | ||||||
| A | 2600:9000:5301:300::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-259.awsdns-32.com | ||||||
| A | 205.251.193.3🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-259.awsdns-32.com | ||||||
| SOA | ns-600.awsdns-11.netawsdns-hostmaster@amazon.com serial=1 | ||||||
in
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns1.registry.in ⚠️ Not in parent delegation | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| NS | ns2.registry.in ⚠️ Not in parent delegation | ||||||
| NS | ns3.registry.in ⚠️ Not in parent delegation | ||||||
| NS | ns4.registry.in ⚠️ Not in parent delegation | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1781525166 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSns-1059.awsdns-04.org2026-05-16 → 2026-06-15 · 2 obs
● 2026-06-15 12:33:18
●NSns-1873.awsdns-42.co.uk2026-05-16 → 2026-06-15 · 2 obs
● 2026-06-15 12:33:18
●NSns-259.awsdns-32.com2026-05-16 → 2026-06-15 · 2 obs
● 2026-06-15 12:33:18
●NSns-600.awsdns-11.net2026-05-16 → 2026-06-15 · 2 obs
● 2026-06-15 12:33:18
○A18.225.191.982026-05-16 → 2026-05-16 · 3 obs
○ 2026-06-15 12:33:16
○ 2026-06-15 12:33:18
●A3.129.55.1152026-06-15 → 2026-06-15 · 3 obs
● 2026-06-15 12:33:16
● 2026-06-15 12:33:18
○A3.13.98.1342026-05-16 → 2026-05-16 · 3 obs
○ 2026-06-15 12:33:16
○ 2026-06-15 12:33:18
●A3.17.42.2452026-06-15 → 2026-06-15 · 3 obs
● 2026-06-15 12:33:16
● 2026-06-15 12:33:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| in | ns10.trs-dns.org, ns01.trs-dns.com, ns10.trs-dns.info, ns01.trs-dns.net | - |
| ustr.in | ns-259.awsdns-32.com, ns-1873.awsdns-42.co.uk, ns-1059.awsdns-04.org, ns-600.awsdns-11.net | - |
✅ Authoritative Response
Server:205.251.193.3
NS records: ns-259.awsdns-32.com, ns-1873.awsdns-42.co.uk, ns-1059.awsdns-04.org, ns-600.awsdns-11.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ustr.in (unsigned zone)
⏱️ Timing
Total: 523ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.17.42.245, 3.129.55.115 |
| NS | 4 | ns-1059.awsdns-04.org, ns-1873.awsdns-42.co.uk... |
| SOA | 1 | ns-600.awsdns-11.net awsdns-hostmaster.a |
Analysis
IP Addresses
ustr.in points to the IP addresses 3.17.42.245 and 3.129.55.115
ec2-3-129-55-115.us-east-2.compute.amazonaws.com is an example of another host name that shares IP numbers with ustr.in.
Name Servers
The authoritative name servers for ustr.in are ns-259.awsdns-32.com, ns-600.awsdns-11.net, ns-1059.awsdns-04.org and ns-1873.awsdns-42.co.uk.
There is at least partial name server overlap between ustr.in and other domains — origami.biz, malchamax.com, active-insist.com and two more among them.
The name servers ns-301.awsdns-37.com, ns-568.awsdns-07.net and ns-1883.awsdns-43.co.uk are often found in combination with these name servers.
All four hostnames — ns-259.awsdns-32.com, ns-600.awsdns-11.net, ns-1059.awsdns-04.org and ns-1873.awsdns-42.co.uk — resolve to two IP numbers apiece: ns-259.awsdns-32.com to 205.251.193.3 and 2600:9000:5301:300::1; ns-600.awsdns-11.net to 205.251.194.88 and 2600:9000:5302:5800::1; ns-1059.awsdns-04.org to 205.251.196.35 and 2600:9000:5304:2300::1; ns-1873.awsdns-42.co.uk to 205.251.199.81 and 2600:9000:5307:5100::1.