ciena.vn - robtex.com
ciena.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.245.41.13🇦🇺 SQUIZ-AS-AP43.245.41.0/24 Squiz hosting | ||||||
| NS | ns4.ciena.com ⭐ | ||||||
| A | 40.89.253.123🇺🇸 Microsoft40.80.0.0/12 | ||||||
| NS | ns0111.secondary.cloudflare.com | ||||||
| A | 2606:4700:51::a29f:2070🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns0111.secondary.cloudflare.com | ||||||
| A | 162.159.32.112Cloudflare162.159.32.0/23 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns0111.secondary.cloudflare.com | ||||||
| NS | ns0201.secondary.cloudflare.com | ||||||
| A | 2606:4700:59::a29f:214c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns0201.secondary.cloudflare.com | ||||||
| A | 162.159.33.76Cloudflare162.159.32.0/23 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns0201.secondary.cloudflare.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns4.ciena.comadmin@ciena.com serial=41 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2031003025 | ||||||
Subdomains
www.ciena.vn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns0111.secondary.cloudflare.com2026-07-08 → 2026-07-16 · 2 obs
● 2026-07-16 05:21:16
●NSns0201.secondary.cloudflare.com2026-07-08 → 2026-07-16 · 2 obs
● 2026-07-16 05:21:16
●A43.245.41.132026-07-08 → 2026-07-16 · 2 obs
● 2026-07-16 05:21:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | e.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn, g.dns-servers.vn... | - |
| ciena.vn | ns0201.secondary.cloudflare.com, ns0111.secondary.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.32.112
NS records: ns0201.secondary.cloudflare.com, ns0111.secondary.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ciena.vn (unsigned zone)
⏱️ Timing
Total: 1028ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 43.245.41.13 |
| NS | 2 | ns0111.secondary.cloudflare.com, ns0201.secondary.cloudflare.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns4.ciena.com admin.ciena.com |
Analysis
Hierarchy
ciena.vn is the parent zone for www.ciena.vn.
IP Addresses
ciena.vn directs to one IP number, which is 43.245.41.13.
Among the host names that share IP numbers with ciena.vn are mdc.govt.nz, ciena.es, ciena.cz and two others.
Name Servers
ciena.vn is delegated to three name servers: ns4.ciena.com, ns0111.secondary.cloudflare.com and ns0201.secondary.cloudflare.com.
ciena.vn partially shares its NS delegation with several other domains, including ciena.co.za, cienalearning.com, ericsson.name and two others.
These name servers regularly co-occur with the name servers cfns1.cienans.com, cfns2.cienans.com and ns2.ciena.com.
Hosts with two IP numbers each:
ns0111.secondary.cloudflare.com points to 162.159.32.112 and 2606:4700:51::a29f:2070.
ns0201.secondary.cloudflare.com points to 162.159.33.76 and 2606:4700:59::a29f:214c.
Hosts that resolve to one IP address:
ns4.ciena.com points to 40.89.253.123.