ciena.sg - robtex.com
ciena.sg
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.ciena.com ⚠️ Not in zone NS records | ||||||
| A | 52.242.98.143🇺🇸 Microsoft52.224.0.0/11 MICROSOFT | ||||||
| NS | ns4.ciena.com ⚠️ Not in zone NS records | ||||||
| A | 40.89.253.123🇺🇸 Microsoft40.80.0.0/12 | ||||||
sg
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ds.sgnic.sg ⭐ | ||||||
| NS | dsany2.sgnic.sg | ||||||
| NS | dsany3.sgnic.sg | ||||||
| NS | dsany4.sgnic.sg | ||||||
| NS | ns4.apnic.net | ||||||
| NS | pch.sgzones.sg | ||||||
| SOA | ds.sgnic.sgdna@sgnic.sg serial=2607142130 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sg | ns4.apnic.net, dsany4.sgnic.sg, dsany3.sgnic.sg, pch.sgzones.sg... | 10 records |
| ciena.sg | ns2.ciena.com, ns4.ciena.com | - |
✅ Authoritative Response
Server:40.89.253.123
NS records: ns2.ciena.com, ns4.ciena.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ciena.sg (unsigned zone)
⏱️ Timing
Total: 922ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (dsany4.sgnic.sg, dsany4.sgnic.sg, dsany3.sgnic.sg...)
Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)
Analysis
Name Servers
ciena.sg uses two name servers for its delegation: ns2.ciena.com and ns4.ciena.com.
The name server configuration of ciena.sg is shared with other domains, for instance ciena.org.cn, ciena.mobi, ciename.com and two others.
There is at least partial name server overlap between ciena.sg and other domains — tibitcom.net, cienalab.com, ciena.tel and two more among them.
These name servers tend to appear together with the name servers cfns1.cienans.com, cfns2.cienans.com and ns0111.secondary.cloudflare.com, plus two others.
ns2.ciena.com → 52.242.98.143 and ns4.ciena.com → 40.89.253.123: one IP number per host name.