by172.com - robtex.com
by172.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 191.223.41.35🇧🇷 AS-V191.223.0.0/18 | ||||||
| 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=1784432851 | ||||||
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=1786166959 | ||||||
Same first word
by172.com |
Similar names
DNS History
9 records (5 active, 4 former)
●NSa.share-dns.com2026-02-23 → 2026-08-08 · 2 obs
● 2026-08-08 05:57:16
●NSa2.share-dns.com2026-02-23 → 2026-08-08 · 2 obs
● 2026-08-08 05:57:16
●NSb.share-dns.net2026-02-23 → 2026-08-08 · 2 obs
● 2026-08-08 05:57:16
●NSb2.share-dns.net2026-02-23 → 2026-08-08 · 2 obs
● 2026-08-08 05:57:16
○A103.71.239.1422018-07-20 → 2018-07-20 · 3 obs
○ 2026-02-23 17:08:14
○ 2026-08-08 05:57:16
○A162.209.175.1262026-02-23 → 2026-02-23 · 4 obs
● 2026-02-23 17:08:14
○ 2026-03-31 00:15:28
○ 2026-08-08 05:57:16
●A191.223.41.352026-08-08 → 2026-08-08 · 2 obs
● 2026-08-08 05:57:16
○A43.103.2.192026-03-31 → 2026-03-31 · 4 obs
● 2026-03-31 00:15:28
○ 2026-06-14 12:19:36
○ 2026-08-08 05:57:16
○A43.103.3.292026-06-14 → 2026-06-14 · 3 obs
● 2026-06-14 12:19:36
○ 2026-08-08 05:57:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| by172.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 by172.com (unsigned zone)
⏱️ Timing
Total: 251ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 191.223.41.35 |
| 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
by172.com points to a single IP number: 191.223.41.35.
Additional host names — twmanhua.com, dbmzy.com, hfhds.com and two others — share IP numbers with by172.com.
Name Servers
by172.com has four authoritative name servers: a2.share-dns.com, a.share-dns.com, b2.share-dns.net and b.share-dns.net.
by172.com shares at least some of its name servers with other domains, including bjjzsw.com, wykeji.com, chljn.com and two others.
These name servers are frequently seen alongside a4.share-dns.com, b4.share-dns.net, a5.share-dns.com and 7 other name servers.
a2.share-dns.com and a.share-dns.com each resolve to 172.64.53.25, while b2.share-dns.net and b.share-dns.net each resolve to 172.64.52.239.
a2.share-dns.com along with a.share-dns.com each resolve to 172.64.53.25 IP addresses.
b2.share-dns.net along with b.share-dns.net each resolve to 172.64.52.239 IP addresses.