centina.co - robtex.com
centina.co
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns4.ciena.com ⭐ | ||||||
| A | 40.89.253.123🇺🇸 Microsoft40.80.0.0/12 | ||||||
| NS | cfns1.cienans.com | ||||||
| A | 2400:cb00:2049:1::a29f:970🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | cfns1.cienans.com | ||||||
| A | 162.159.9.112Cloudflare162.159.9.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cfns1.cienans.com | ||||||
| NS | cfns2.cienans.com | ||||||
| A | 2400:cb00:2049:1::a29f:898🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | cfns2.cienans.com | ||||||
| A | 162.159.8.152Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cfns2.cienans.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns4.ciena.comadmin@ciena.com serial=5 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759701892 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
●NScfns1.cienans.com2026-07-08 → 2026-07-10 · 3 obs
● 2026-07-08 12:08:34
● 2026-07-10 08:03:10
●NScfns2.cienans.com2026-07-08 → 2026-07-10 · 3 obs
● 2026-07-08 12:08:34
● 2026-07-10 08:03:10
●NSns4.ciena.com2026-07-08 → 2026-07-10 · 3 obs
● 2026-07-08 12:08:34
● 2026-07-10 08:03:10
○NSns65.domaincontrol.com2015-07-18 → 2017-08-28 · 4 obs
● 2017-08-28 14:55:26
○ 2026-07-08 12:08:34
○ 2026-07-10 08:03:10
○NSns66.domaincontrol.com2015-07-18 → 2017-08-28 · 4 obs
● 2017-08-28 14:55:26
○ 2026-07-08 12:08:34
○ 2026-07-10 08:03:10
○MXmailstore1.secureserver.net2015-07-18 → 2017-08-28 · 4 obs
● 2017-08-28 14:55:26
○ 2026-07-08 12:08:34
○ 2026-07-10 08:03:10
○MXsmtp.secureserver.net2015-07-18 → 2017-08-28 · 4 obs
● 2017-08-28 14:55:26
○ 2026-07-08 12:08:34
○ 2026-07-10 08:03:10
○A50.63.202.282015-07-18 → 2017-08-28 · 4 obs
● 2017-08-28 14:55:26
○ 2026-07-08 12:08:34
○ 2026-07-10 08:03:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| centina.co | cfns2.cienans.com, cfns1.cienans.com | - |
✅ Authoritative Response
Server:162.159.8.152
NS records: cfns2.cienans.com, cfns1.cienans.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for centina.co (unsigned zone)
⏱️ Timing
Total: 493ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | cfns1.cienans.com, cfns2.cienans.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns4.ciena.com admin.ciena.com |
Analysis
Name Servers
DNS for centina.co is handled by three authoritative name servers: ns4.ciena.com, cfns1.cienans.com and cfns2.cienans.com.
The name servers of centina.co overlap at least partially with those of other domains — among them ciena.vn, openwag.org, ciena.co.uk and two more.
The name servers ns2.ciena.com, ns0111.secondary.cloudflare.com and ns0201.secondary.cloudflare.com are commonly seen alongside these name servers.
Host names that have two IP addresses:
cfns1.cienans.com has two IP addresses: 162.159.9.112 and 2400:cb00:2049:1::a29f:970.
cfns2.cienans.com has two IP addresses: 162.159.8.152 and 2400:cb00:2049:1::a29f:898.
Host names that point to one IP address:
ns4.ciena.com directs to 40.89.253.123.