k8521.net - robtex.com
k8521.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.210.21.103🇭🇰 AROSSCLOUD-AS154.210.16.0/21 arosscloud | ||||||
| NS | ns1.domainnamedns.com ⭐ | ||||||
| A | 2604:86c0:6001:14::d86a:b99c🇺🇸 AS630232604:86c0:6000::/36 GTHOST-SCL | ||||||
| A | 216.106.185.75🇺🇸 AS63023216.106.185.0/24 GTHost | ||||||
| PTR | 75-185-106-216.clients.gthost.com | ||||||
| NS | ns2.domainnamedns.com | ||||||
| A | 2604:86c0:2001:6::2672:72b7🇺🇸 AS630232604:86c0:2000::/36 GTHOST-LAX | ||||||
| A | 38.114.114.183🇨🇦 AS6302338.114.114.0/24 Route Registered for Cogent Communications Customer GLOBALTELEHOST CORP. | ||||||
| PTR | 183-114-114-38.clients.gthost.com | ||||||
| NS | ns3.domainnamedns.com ⚠️ Not in parent delegation | ||||||
| A | 2406:da18:e80:ec00:7b68:89e5:1ce1:c481🇸🇬 Amazon2406:da18:c00::/38 AWS | ||||||
| A | 54.151.142.119🇸🇬 Amazon54.151.128.0/17 SIN prefix | ||||||
| PTR | ec2-54-151-142-119.ap-southeast-1.compute.amazonaws.com | ||||||
| NS | ns4.domainnamedns.com ⚠️ Not in parent delegation | ||||||
| A | 2604:86c0:2001:c::43dc:4833🇺🇸 AS630232604:86c0:2000::/36 GTHOST-LAX | ||||||
| A | 67.220.72.51🇺🇸 AS6302367.220.72.0/24 GTHOST | ||||||
| PTR | 51-72-220-67.clients.gthost.com | ||||||
| SOA | ns1.domainnamedns.comsupport@namens.net serial=1783446270 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785635097 | ||||||
Same first word
k8521.net |
Similar names
DNS History
12 records (5 active, 7 former)
○NSbuy.internettraffic.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-23 06:36:46
○ 2026-08-02 02:08:50
○NSns.buydomains.com2015-11-23 → 2017-01-26 · 5 obs
● 2015-11-23 06:36:46
● 2017-01-26 18:50:04
○ 2019-03-31 22:47:54
○ 2026-08-02 02:08:50
●NSns1.domainnamedns.com2026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 04:09:32
● 2026-08-02 02:08:50
●NSns2.domainnamedns.com2026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 04:09:32
● 2026-08-02 02:08:50
●NSns3.domainnamedns.com2026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 04:09:32
● 2026-08-02 02:08:50
●NSns4.domainnamedns.com2026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 04:09:32
● 2026-08-02 02:08:50
○NSsell.internettraffic.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-23 06:36:46
○ 2026-08-02 02:08:50
○MXmail.b-io.co2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-23 06:36:46
○ 2026-08-02 02:08:50
○A141.8.225.1242015-11-23 → 2016-04-29 · 5 obs
● 2015-11-23 06:36:46
● 2016-04-29 21:01:28
○ 2017-01-26 18:50:04
○ 2026-08-02 02:08:50
●A154.210.21.1032026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 04:09:32
● 2026-08-02 02:08:50
○A207.148.248.1432017-01-26 → 2017-01-26 · 4 obs
● 2017-01-26 18:50:04
○ 2019-03-31 22:47:54
○ 2026-08-02 02:08:50
○A69.172.201.2082015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-23 06:36:46
○ 2026-08-02 02:08:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net... | - |
| k8521.net | ns1.domainnamedns.com, ns2.domainnamedns.com | - |
✅ Authoritative Response
Server:216.106.185.75
NS records: ns1.domainnamedns.com, ns2.domainnamedns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for k8521.net (unsigned zone)
⏱️ Timing
Total: 1332ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.210.21.103 |
| NS | 4 | ns1.domainnamedns.com, ns4.domainnamedns.com... |
| SOA | 1 | ns1.domainnamedns.com support.namens.net |
Analysis
IP Addresses
k8521.net points to a single IP number: 154.210.21.103.
Host names like gd8877.com are further examples that share IP numbers with k8521.net.
Name Servers
k8521.net has four authoritative name servers: ns1.domainnamedns.com, ns2.domainnamedns.com, ns3.domainnamedns.com and ns4.domainnamedns.com.
k8521.net has at least partial name server overlap with other domains, such as 317705.com, 3655153.com, cangzhourongsheng.com and two others.
ns1.domainnamedns.com, ns2.domainnamedns.com, ns3.domainnamedns.com and ns4.domainnamedns.com all point to exactly two IP numbers each: ns1.domainnamedns.com → 216.106.185.75 and 2604:86c0:6001:14::d86a:b99c; ns2.domainnamedns.com → 38.114.114.183 and 2604:86c0:2001:6::2672:72b7; ns3.domainnamedns.com → 54.151.142.119 and 2406:da18:e80:ec00:7b68:89e5:1ce1:c481; ns4.domainnamedns.com → 67.220.72.51 and 2604:86c0:2001:c::43dc:4833.