sdu55.com - robtex.com
sdu55.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.86.239.91🇭🇰 DXTL-HK154.86.224.0/20 Proxy-registered route object | ||||||
| NS | a5.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 | b5.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=1757988139 | ||||||
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 | ||||||
Same first word
sdu55.com |
DNS History
5 records (5 active, 0 former)
●NSa.share-dns.com2026-03-01 → 2026-03-02 · 2 obs
● 2026-03-02 01:42:50
●NSa5.share-dns.com2026-03-01 → 2026-03-02 · 2 obs
● 2026-03-02 01:42:50
●NSb.share-dns.net2026-03-01 → 2026-03-02 · 2 obs
● 2026-03-02 01:42:50
●NSb5.share-dns.net2026-03-01 → 2026-03-02 · 2 obs
● 2026-03-02 01:42:50
●A154.86.239.912026-03-01 → 2026-03-02 · 2 obs
● 2026-03-02 01:42:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net... | - |
| sdu55.com | b5.share-dns.net, a5.share-dns.com | 1 record |
✅ Authoritative Response
Server: 172.64.52.239
NS records: b5.share-dns.net, a5.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdu55.com (unsigned zone)
⏱️ Timing
Total: 478ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.86.239.91 |
| 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 (a5.share-dns.com)
Analysis
IP Addresses
sdu55.com points to a single IP: 154.86.239.91.
Other host names, such as 999222777.com, share IP numbers with sdu55.com.
Name Servers
sdu55.com's delegation is handled by four name servers: a5.share-dns.com, a.share-dns.com, b5.share-dns.net and b.share-dns.net.
sdu55.com partially shares name servers with other domains; examples include andylee-nzk.com, bldpc.com, nnztgg.com, xszcar.com and aiseying123.com.
These name servers are commonly used alongside a11.share-dns.com, b11.share-dns.net, ns1.gname-dns.com, ns2.gname-dns.com, a1.share-dns.com, b1.share-dns.net, a10.share-dns.com, b10.share-dns.net, a6.share-dns.com and b6.share-dns.net.
Host names sharing a single IP address:
a5.share-dns.com points to: 172.64.53.25.
a.share-dns.com points to: 172.64.53.25.
b5.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: a5.share-dns.com and a.share-dns.com.
Host names pointing to 172.64.52.239: b5.share-dns.net and b.share-dns.net.