gzstbb.com - robtex.com
gzstbb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.188.197.242🇺🇸 PEGTECHINC140.188.192.0/19 PEG TECH INC | ||||||
| NS | a4.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 | b4.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=1765098356 | ||||||
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=1774540547 | ||||||
Subdomains
mx.gzstbb.com |
Same first word
gzstbb.com |
DNS History
13 records (5 active, 8 former)
●NSa.share-dns.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 16:17:04
● 2026-03-26 16:17:06
●NSa4.share-dns.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 16:17:04
● 2026-03-26 16:17:06
●NSb.share-dns.net2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 16:17:04
● 2026-03-26 16:17:06
●NSb4.share-dns.net2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 16:17:04
● 2026-03-26 16:17:06
○NSdns1.51.net2015-08-25 → 2016-03-29 · 4 obs
● 2016-03-29 14:30:30
○ 2016-09-17 06:14:16
○ 2026-03-26 16:17:06
○NSdns2.51.net2015-08-25 → 2016-03-29 · 4 obs
● 2016-03-29 14:30:30
○ 2016-09-17 06:14:16
○ 2026-03-26 16:17:06
○NSgzstbb.com2015-08-25 → 2016-03-29 · 4 obs
● 2016-03-29 14:30:30
○ 2016-09-17 06:14:16
○ 2026-03-26 16:17:06
○NSjuming.dnsdun.com2017-04-03 → 2017-04-03 · 4 obs
● 2017-04-03 00:05:16
○ 2026-03-26 16:17:04
○ 2026-03-26 16:17:06
○NSjuming.dnsdun.net2017-04-03 → 2017-04-03 · 4 obs
● 2017-04-03 00:05:16
○ 2026-03-26 16:17:04
○ 2026-03-26 16:17:06
○MXmx.gzstbb.com2015-08-25 → 2016-03-29 · 4 obs
● 2016-03-29 14:30:30
○ 2016-09-17 06:14:16
○ 2026-03-26 16:17:06
●A140.188.197.2422026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 16:17:04
● 2026-03-26 16:17:06
○A192.80.179.1772017-04-03 → 2017-04-03 · 4 obs
● 2017-04-03 00:05:16
○ 2026-03-26 16:17:04
○ 2026-03-26 16:17:06
○A222.85.160.552015-08-25 → 2016-03-29 · 4 obs
● 2016-03-29 14:30:30
○ 2016-09-17 06:14:16
○ 2026-03-26 16:17:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net... | - |
| gzstbb.com | b4.share-dns.net, a4.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b4.share-dns.net, a4.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gzstbb.com (unsigned zone)
⏱️ Timing
Total: 385ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.188.197.242 |
| 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 (a4.share-dns.com)
Analysis
Hierarchy
gzstbb.com is the parent of mx.gzstbb.com.
IP Addresses
gzstbb.com resolves to a single IP: 140.188.197.242.
Other host names, for instance www.wsrdf.com, mx.gzstbb.com, njjwwl.com, mail.rt-hk.com and cyrmgl.com share IP numbers with gzstbb.com.
Name Servers
gzstbb.com is delegated to four name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.
gzstbb.com shares some name servers with other domains, for example shxhcm.com, hyb.mobi, zmhai.com, beichen01.cn and ccshengxin.com.
these name servers are often used with a9.share-dns.com, b9.share-dns.net, a2.share-dns.com, b2.share-dns.net, a1.share-dns.com, b1.share-dns.net, a6.share-dns.com, b6.share-dns.net, ns1.gname-dns.com and ns2.gname-dns.com.
Host names with one IP:
a4.share-dns.com points to 172.64.53.25
a.share-dns.com points to 172.64.53.25
b4.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: a4.share-dns.com and a.share-dns.com
Host names pointing to 172.64.52.239: b4.share-dns.net and b.share-dns.net