us1.top - robtex.com
us1.top
| DNSSEC | ⚠️ Not signed | ||||||
| NS | nsauth01.3dsn.net ⚠️ Not in zone NS records | ||||||
| A | 2604:81c0::2🇺🇸 AS3964222604:81c0::/40 | ||||||
| PTR | nsauth01.3dsn.net | ||||||
| A | 23.159.64.2🇺🇸 AS39642223.159.64.0/24 3DSC-4B1 | ||||||
| NS | nsauth03.3dsn.net ⚠️ Not in zone NS records | ||||||
| A | 2604:81c0:1008::2🇺🇸 AS3964222604:81c0:1000::/36 | ||||||
| A | 136.175.4.2🇺🇸 AS396422136.175.4.0/23 | ||||||
top
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.zdnscloud.com ⭐ | ||||||
| NS | a.zdnscloud.cn | ||||||
| NS | b.zdnscloud.cn | ||||||
| NS | c.zdnscloud.com | ||||||
| NS | d.zdnscloud.com | ||||||
| NS | e.zdnscloud.cn | ||||||
| NS | f.zdnscloud.cn | ||||||
| NS | i.zdnscloud.cn | ||||||
| NS | j.zdnscloud.com | ||||||
| TXT | 2026-06-29_20:50:01 | ||||||
| SOA | a.zdnscloud.comtd_dns_gtld@knet.cn serial=1396293873 | ||||||
Same first word
us1.info |
us1.de |
us1.biz |
us1.cn |
us1.nl |
us1.eu |
us1.net |
us1.app |
us1.ru |
us1.fr |
us1.org |
us1.digital |
us1.us |
us1.cc |
us1.dev |
us1.co |
us1.ws |
us1.com |
us1.top |
us1.mobi |
us1.in |
us1.shop |
Similar names
DNS History
5 records (2 active, 3 former)
○NSdns11.hichina.com2021-11-24 → 2021-11-24 · 3 obs
○ 2026-06-15 05:58:06
○ 2026-06-29 12:57:16
○NSdns12.hichina.com2021-11-24 → 2021-11-24 · 3 obs
○ 2026-06-15 05:58:06
○ 2026-06-29 12:57:16
●NSnsauth01.3dsn.net2026-06-15 → 2026-06-29 · 3 obs
● 2026-06-15 05:58:06
● 2026-06-29 12:57:16
●NSnsauth03.3dsn.net2026-06-15 → 2026-06-29 · 3 obs
● 2026-06-15 05:58:06
● 2026-06-29 12:57:16
○A45.64.113.2482021-11-24 → 2021-11-24 · 3 obs
○ 2026-06-15 05:58:06
○ 2026-06-29 12:57:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| top | b.zdnscloud.cn, d.zdnscloud.com, j.zdnscloud.com, a.zdnscloud.cn... | - |
| us1.top | nsauth01.3dsn.net, nsauth03.3dsn.net | - |
✅ Authoritative Response
Server:23.159.64.2
NS records: nsauth01.3dsn.net, nsauth03.3dsn.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for us1.top (unsigned zone)
⏱️ Timing
Total: 375ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
us1.top has two authoritative name servers — nsauth01.3dsn.net and nsauth03.3dsn.net.
us1.top shares its NS records with other domains, for example 0nm.net, azs.cc, 3dslab.com and two others.
There is at least partial name server overlap between us1.top and other domains — 4.175.136.in-addr.arpa, 11.212.198.in-addr.arpa, 11.10.212.198.in-addr.arpa and two more among them.
The name servers nsauth02.3dsn.net, nsauth04.3dsn.net and virtualmin01.dlls.tx.3dsn.net are often found in combination with these name servers.
Both nsauth01.3dsn.net and nsauth03.3dsn.net have two IP addresses each. nsauth01.3dsn.net resolves to 23.159.64.2 and 2604:81c0::2; nsauth03.3dsn.net resolves to 136.175.4.2 and 2604:81c0:1008::2.