sybiofc.com - robtex.com
sybiofc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.201.173.253🇺🇸 POWERLINE-HK154.201.128.0/17 Digital Core Technology Co., 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=1762934887 | ||||||
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=1774535077 | ||||||
Subdomains
www.sybiofc.com |
Same first word
sybiofc.com |
DNS History
9 records (5 active, 4 former)
●NSa.share-dns.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 14:26:14
●NSa2.share-dns.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 14:26:14
●NSb.share-dns.net2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 14:26:14
●NSb2.share-dns.net2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 14:26:14
○NSns1.ce.net.cn2015-06-03 → 2017-04-09 · 3 obs
● 2017-04-09 18:09:50
○ 2026-03-26 14:26:14
○MXmail.sybiofc.com2015-06-03 → 2017-04-09 · 3 obs
● 2017-04-09 18:09:50
○ 2026-03-26 14:26:14
●A154.201.173.2532026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 14:26:14
○A183.60.188.2402015-06-03 → 2016-03-29 · 4 obs
● 2016-03-29 10:14:46
○ 2016-09-13 13:19:38
○ 2026-03-26 14:26:14
○A183.60.188.2412016-09-13 → 2017-04-09 · 4 obs
● 2016-09-13 13:19:38
● 2017-04-09 18:09:50
○ 2026-03-26 14:26:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net... | - |
| sybiofc.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 sybiofc.com (unsigned zone)
⏱️ Timing
Total: 528ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.201.173.253 |
| 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
Hierarchy
sybiofc.com is the parent of www.sybiofc.com.
IP Addresses
sybiofc.com resolves to a single IP: 154.201.173.253.
Other host names share IP numbers with sybiofc.com; for instance www.sybiofc.com.
Name Servers
sybiofc.com is delegated to four name servers: a2.share-dns.com, a.share-dns.com, b2.share-dns.net and b.share-dns.net.
sybiofc.com shares some name servers with other domains, for example mayihs.com, immikashop.com, 170dded5ce2ac560.com, weifenxiao123.com and skvortlaw.com.
these name servers are often used with a5.share-dns.com, b5.share-dns.net, a4.share-dns.com, b4.share-dns.net, a10.share-dns.com, b10.share-dns.net, a12.share-dns.com, b12.share-dns.net, a9.share-dns.com and b9.share-dns.net.
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