ciena.nl - robtex.com
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ciena.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.245.41.13🇦🇺 SQUIZ-AS-AP | ||||||
| PTR | 13.41.245.43.in-addr.arpa | ||||||
| NS | ns4.ciena.com ⭐ | ||||||
| A | 40.89.253.123🇺🇸 Microsoft | ||||||
| NS | ns0111.secondary.cloudflare.com | ||||||
| A | 2606:4700:51::a29f:2070🇺🇸 Cloudflare | ||||||
| PTR | ns0111.secondary.cloudflare.com | ||||||
| A | 162.159.32.112 Cloudflare | ||||||
| PTR | ns0111.secondary.cloudflare.com | ||||||
| NS | ns0201.secondary.cloudflare.com | ||||||
| A | 2606:4700:59::a29f:214c🇺🇸 Cloudflare | ||||||
| PTR | ns0201.secondary.cloudflare.com | ||||||
| A | 162.159.33.76 Cloudflare | ||||||
| PTR | ns0201.secondary.cloudflare.com | ||||||
| MX | mdmail2.ciena.nl(999) | ||||||
| A | 67.231.144.234🇺🇸 Proofpoint | ||||||
| PTR | mx0a-00103a01.pphosted.com | ||||||
| MX | mdmail3.ciena.nl(999) | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns4.ciena.comdomainregtech@ciena.com serial=379908405 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ 🔒 | ||||||
| NS | ns3.dns.nl 🔒 | ||||||
| NS | ns4.dns.nl 🔒 | ||||||
| TXT | nl zone update: 2026-02-13 08:30:02 +0000 (EPOCH 1770971402) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-02-13 #17 | ||||||
Up
www.ciena.nl |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
○NSauth100.ns.uu.net2016-01-15 → 2017-08-23 · 5 obs
● 2016-01-15 08:56:42
● 2017-08-23 05:46:14
○ 2026-02-14 23:51:10
○ 2026-02-14 23:51:12
○NSdns1.ciena.com2015-05-05 → 2015-10-09 · 4 obs
● 2015-10-09 23:41:24
○ 2016-01-15 08:56:42
○ 2026-02-14 23:51:12
○NSdns2.ciena.com2015-05-05 → 2015-10-09 · 4 obs
● 2015-10-09 23:41:24
○ 2016-01-15 08:56:42
○ 2026-02-14 23:51:12
○NSdns3.ciena.com2015-05-05 → 2015-10-09 · 4 obs
● 2015-10-09 23:41:24
○ 2016-01-15 08:56:42
○ 2026-02-14 23:51:12
●NSns0111.secondary.cloudflare.com2026-02-14 → 2026-02-14 · 3 obs
● 2026-02-14 23:51:10
● 2026-02-14 23:51:12
●NSns0201.secondary.cloudflare.com2026-02-14 → 2026-02-14 · 3 obs
● 2026-02-14 23:51:10
● 2026-02-14 23:51:12
○NSns1.ciena.com2016-01-15 → 2017-08-23 · 5 obs
● 2016-01-15 08:56:42
● 2017-08-23 05:46:14
○ 2026-02-14 23:51:10
○ 2026-02-14 23:51:12
○NSns2.ciena.com2016-01-15 → 2017-08-23 · 5 obs
● 2016-01-15 08:56:42
● 2017-08-23 05:46:14
○ 2026-02-14 23:51:10
○ 2026-02-14 23:51:12
●NSns4.ciena.com2026-02-14 → 2026-02-14 · 3 obs
● 2026-02-14 23:51:10
● 2026-02-14 23:51:12
●MXmdmail2.ciena.nl2015-05-05 → 2026-02-14 · 2 obs
● 2026-02-14 23:51:12
●MXmdmail3.ciena.nl2015-05-05 → 2026-02-14 · 2 obs
● 2026-02-14 23:51:12
○A208.80.56.112015-05-05 → 2017-08-23 · 4 obs
● 2017-08-23 05:46:14
○ 2026-02-14 23:51:10
○ 2026-02-14 23:51:12
●A43.245.41.132026-02-14 → 2026-02-14 · 3 obs
● 2026-02-14 23:51:10
● 2026-02-14 23:51:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns1.dns.nl, ns4.dns.nl | - |
| ciena.nl | ns0111.secondary.cloudflare.com, ns0201.secondary.cloudflare.com | - |
✅ Authoritative Response
Server: 162.159.33.76
NS records: ns0111.secondary.cloudflare.com, ns0201.secondary.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ciena.nl (unsigned zone)
⏱️ Timing
Total: 598ms | 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 domainregtech.ciena.com |
AI analysis
ciena.nl is the parent of www.ciena.nl.
ciena.nl resolves to a single IP address: 43.245.41.13.
Other host names including cienalab.com, ciena.hu, donriver.com, ciena.com.tw and mdc.govt.nz share IP numbers with ciena.nl.
ciena.nl is delegated to three name servers: ns4.ciena.com, ns0111.secondary.cloudflare.com and ns0201.secondary.cloudflare.com.
ciena.nl at least partially shares name servers with other domains, including contractor.ciena.com, ciena.kr, ciena.de, ciena.com.fr and bounce.ciena.com.
these name servers are commonly used with cfns1.cienans.com, cfns2.cienans.com, ns0136.secondary.cloudflare.com, ns2.ciena.com and ns3.ciena.com.
Host names with two IP numbers:
ns0111.secondary.cloudflare.com points to 2606:4700:51::a29f:2070 and 162.159.32.112
ns0201.secondary.cloudflare.com points to 2606:4700:59::a29f:214c and 162.159.33.76
Host names with one IP number:
ns4.ciena.com points to 40.89.253.123
ciena.nl is handled by two mail servers: mdmail2.ciena.nl and mdmail3.ciena.nl.
Host names with a single IP: mdmail2.ciena.nl points to 67.231.144.234.