polycentrics.com - robtex.com
polycentrics.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.247.81.16🇧🇷 GNET-AS9294156.247.80.0/20 | ||||||
| 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 | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| 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 | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| 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 | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| 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 | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1746519791 | ||||||
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=1771291435 | ||||||
Similar names
DNS History
11 records (5 active, 6 former)
●NSa.share-dns.com2026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 18:02:44
●NSa2.share-dns.com2026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 18:02:44
●NSb.share-dns.net2026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 18:02:44
●NSb2.share-dns.net2026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 18:02:44
○NSdns.technorail.com2017-12-22 → 2017-12-22 · 2 obs
○ 2026-03-02 18:02:44
○NSdns2.technorail.com2017-12-22 → 2017-12-22 · 2 obs
○ 2026-03-02 18:02:44
○NSdns3.arubadns.net2017-12-22 → 2017-12-22 · 2 obs
○ 2026-03-02 18:02:44
○NSdns4.arubadns.cz2017-12-22 → 2017-12-22 · 2 obs
○ 2026-03-02 18:02:44
○MXmx.polycentrics.com2017-12-22 → 2017-12-22 · 2 obs
○ 2026-03-02 18:02:44
●A156.247.81.162026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 18:02:44
○A31.11.34.1472017-12-22 → 2017-12-22 · 2 obs
○ 2026-03-02 18:02:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net... | - |
| polycentrics.com | b2.share-dns.net, a2.share-dns.com | 1 record |
✅ Authoritative Response
Server: 172.64.52.239
NS records: b2.share-dns.net, a2.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polycentrics.com (unsigned zone)
⏱️ Timing
Total: 218ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.247.81.16 |
| 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
polycentrics.com resolves to one IP number: 156.247.81.16.
Name Servers
polycentrics.com is delegated to four name servers: a2.share-dns.com, a.share-dns.com, b2.share-dns.net and b.share-dns.net.
polycentrics.com at least partially shares name servers with other domains, for instance kashi123.com, cissg.com, lfabrasive.com, sz12315.com and cai-shen.cn.
These name servers are commonly used with the following name servers: a11.share-dns.com, b11.share-dns.net, a1.share-dns.com, b1.share-dns.net, a5.share-dns.com, b5.share-dns.net, a7.share-dns.com, b7.share-dns.net, a3.share-dns.com and b3.share-dns.net.
Host names with a single 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.