qb521.com - robtex.com
qb521.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.206.188.168🇭🇰 OWGELS-AS-AP154.206.128.0/18 Starbow LTD | ||||||
| NS | a2.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b2.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1741921755 | ||||||
com
| 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=1774938607 | ||||||
Same first word
qb521.com |
Similar names
DNS History
13 records (5 active, 8 former)
●NSa.share-dns.com2026-02-21 → 2026-03-31 · 3 obs
● 2026-02-21 09:02:32
● 2026-03-31 06:35:04
●NSa2.share-dns.com2026-03-31 → 2026-03-31 · 2 obs
● 2026-03-31 06:35:04
○NSa3.share-dns.com2026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 09:02:32
○ 2026-03-31 06:35:04
●NSb.share-dns.net2026-02-21 → 2026-03-31 · 3 obs
● 2026-02-21 09:02:32
● 2026-03-31 06:35:04
●NSb2.share-dns.net2026-03-31 → 2026-03-31 · 2 obs
● 2026-03-31 06:35:04
○NSb3.share-dns.net2026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 09:02:32
○ 2026-03-31 06:35:04
○NSdns10.hichina.com2015-08-15 → 2016-12-28 · 4 obs
● 2016-12-28 04:59:44
○ 2026-02-21 09:02:32
○ 2026-03-31 06:35:04
○NSdns9.hichina.com2015-08-15 → 2016-12-28 · 4 obs
● 2016-12-28 04:59:44
○ 2026-02-21 09:02:32
○ 2026-03-31 06:35:04
○MXmxn.mxhichina.com2016-12-28 → 2016-12-28 · 3 obs
○ 2026-02-21 09:02:32
○ 2026-03-31 06:35:04
○MXmxw.mxhichina.com2016-12-28 → 2016-12-28 · 3 obs
○ 2026-02-21 09:02:32
○ 2026-03-31 06:35:04
○A103.42.14.752015-08-15 → 2016-01-12 · 4 obs
● 2016-01-12 12:57:02
○ 2016-04-17 20:45:50
○ 2026-03-31 06:35:04
○A118.184.26.2032016-04-17 → 2016-06-22 · 5 obs
● 2016-04-17 20:45:50
● 2016-06-22 11:44:56
○ 2016-12-28 04:59:44
○ 2026-03-31 06:35:04
●A154.206.188.1682026-02-21 → 2026-03-31 · 3 obs
● 2026-02-21 09:02:32
● 2026-03-31 06:35:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net... | - |
| qb521.com | b2.share-dns.net, a2.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: b2.share-dns.net, a2.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qb521.com (unsigned zone)
⏱️ Timing
Total: 221ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.206.188.168 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a2.share-dns.com)
Analysis
IP Addresses
qb521.com resolves to a single IP: 154.206.188.168.
Other host names, for instance, yqtattoo.com and sstss.com share IP numbers with qb521.com.
Name Servers
qb521.com is delegated to four name servers: a2.share-dns.com, a.share-dns.com, b2.share-dns.net and b.share-dns.net.
qb521.com shares some name servers with other domains, for example ckide.com, yianyuyin.com, kafeforex.com, kssng.cn and shayuys.mobi.
these name servers are often used with a1.share-dns.com, b1.share-dns.net, a6.share-dns.com, b6.share-dns.net, a11.share-dns.com, b11.share-dns.net, a5.share-dns.com, b5.share-dns.net, ns1.gname-dns.com and ns2.gname-dns.com.
Host names with one IP:
a2.share-dns.com points to 172.64.53.25
a.share-dns.com points to 172.64.53.25
b2.share-dns.net points to 172.64.52.239
b.share-dns.net points to 172.64.52.239
Host names pointing to 172.64.53.25: a2.share-dns.com and a.share-dns.com
Host names pointing to 172.64.52.239: b2.share-dns.net and b.share-dns.net