cpu.nl - dns.ninja
cpu.nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a01:7c8:bb0a:676:5054:ff:feca:cf78🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | s04.cpu.nl | ||||||
| A | 85.10.130.226🇳🇱 TRANSIP-AS85.10.128.0/19 TransIP BV Amsterdam, The Netherlands | ||||||
| NS | ns1.openprovider.nl ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1a0a🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.10Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.openprovider.be | ||||||
| A | 2400:cb00:2049:1::a29f:1b60🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.27.96Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.openprovider.eu | ||||||
| A | 2400:cb00:2049:1::a29f:3059🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.48.89Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail.op-email.eu ⭐ | ||||||
| A | 34.13.213.173🇺🇸 Google34.13.128.0/17 | ||||||
| PTR | mail.op-email.eu | ||||||
| TXT | v=spf1 mx a -all | ||||||
| SOA | ns1.openprovider.nldns@openprovider.eu 2026-07-24 #2 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-08-12 11:00:01 +0000 (EPOCH 1786532401) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-08-12 #22 | ||||||
Subdomains
pwmm1.cpu.nl |
kerio.cpu.nl |
newmail.cpu.nl |
ns3.cpu.nl |
s01.cpu.nl |
www.cpu.nl |
ns2.cpu.nl |
ns4.cpu.nl |
x2.cpu.nl |
s02.cpu.nl |
x5.cpu.nl |
x1.cpu.nl |
office.cpu.nl |
mail.cpu.nl |
s04.cpu.nl |
Same first word
Similar names
DNS History
16 records (6 active, 10 former)
●NSns1.openprovider.nl2026-02-14 → 2026-08-12 · 3 obs
● 2026-02-14 22:41:42
● 2026-08-12 11:53:28
●NSns2.openprovider.be2026-02-14 → 2026-08-12 · 3 obs
● 2026-02-14 22:41:42
● 2026-08-12 11:53:28
○NSns3.cpu.nl2015-08-07 → 2017-01-19 · 6 obs
● 2016-10-18 04:42:30
○ 2016-10-30 17:47:46
● 2017-01-19 14:17:14
○ 2026-02-14 22:41:42
○ 2026-08-12 11:53:28
●NSns3.openprovider.eu2026-02-14 → 2026-08-12 · 3 obs
● 2026-02-14 22:41:42
● 2026-08-12 11:53:28
○NSns4.cpu.nl2015-08-07 → 2016-10-18 · 4 obs
● 2016-10-18 04:42:30
○ 2016-10-30 17:47:46
○ 2026-08-12 11:53:28
○NSnssecauth1.tuxis.net2016-10-30 → 2017-01-19 · 5 obs
● 2016-10-30 17:47:46
● 2017-01-19 14:17:14
○ 2026-02-14 22:41:42
○ 2026-08-12 11:53:28
○NSnssecauth2.tuxis.net2016-10-30 → 2017-01-19 · 5 obs
● 2016-10-30 17:47:46
● 2017-01-19 14:17:14
○ 2026-02-14 22:41:42
○ 2026-08-12 11:53:28
○MXfallback.tuxis.nl2016-10-18 → 2017-01-19 · 5 obs
● 2016-10-18 04:42:30
● 2017-01-19 14:17:14
○ 2026-02-14 22:41:42
○ 2026-08-12 11:53:28
○MXkerio.cpu.nl2016-10-18 → 2017-01-19 · 5 obs
● 2016-10-18 04:42:30
● 2017-01-19 14:17:14
○ 2026-02-14 22:41:42
○ 2026-08-12 11:53:28
●MXmail.op-email.eu2026-02-14 → 2026-08-12 · 3 obs
● 2026-02-14 22:41:42
● 2026-08-12 11:53:28
○MXmx1.cpu.tnx.nl2015-08-07 → 2016-09-30 · 4 obs
● 2016-09-30 21:37:54
○ 2016-10-18 04:42:30
○ 2026-08-12 11:53:28
○MXmx2.cpu.tnx.nl2015-08-07 → 2016-09-30 · 4 obs
● 2016-09-30 21:37:54
○ 2016-10-18 04:42:30
○ 2026-08-12 11:53:28
○MXmx3.tnx.nl2015-08-07 → 2016-09-30 · 4 obs
● 2016-09-30 21:37:54
○ 2016-10-18 04:42:30
○ 2026-08-12 11:53:28
○A213.136.19.1152015-08-07 → 2017-01-19 · 4 obs
● 2017-01-19 14:17:14
○ 2026-02-14 22:41:42
○ 2026-08-12 11:53:28
●A2a01:7c8:bb0a:676:5054:ff:feca:cf782026-05-10 → 2026-08-12 · 3 obs
● 2026-05-10 00:33:52
● 2026-08-12 11:53:28
●A85.10.130.2262026-02-14 → 2026-08-12 · 3 obs
● 2026-02-14 22:41:42
● 2026-08-12 11:53:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns4.dns.nl, ns1.dns.nl, ns3.dns.nl | - |
| cpu.nl | ns2.openprovider.be, ns3.openprovider.eu, ns1.openprovider.nl | - |
✅ Authoritative Response
Server:162.159.27.96
NS records: ns2.openprovider.be, ns3.openprovider.eu, ns1.openprovider.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 609ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.10.130.226 |
| AAAA | 1 | 2a01:7c8:bb0a:676:5054:ff:feca:cf78 |
| NS | 3 | ns1.openprovider.nl, ns2.openprovider.be... |
| MX | 1 | mail.op-email.eu (pri: 10) |
| TXT | 1 | v=spf1 mx a -all |
| SOA | 1 | ns1.openprovider.nl dns.openprovider.eu |
Analysis
Hierarchy
cpu.nl is a parent domain; its children include pwmm1.cpu.nl, kerio.cpu.nl, newmail.cpu.nl, ns3.cpu.nl, s01.cpu.nl and a few other host names.
IP Addresses
cpu.nl directs to two IP numbers, 85.10.130.226 and 2a01:7c8:bb0a:676:5054:ff:feca:cf78
Two other host names, along with dataton.nl, x2.cpu.nl and s02.cpu.nl, also share IP numbers with cpu.nl.
Name Servers
cpu.nl carries NS records delegating to ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl.
cpu.nl partially shares its NS delegation with several other domains, including startmail.us, izi.re, bax-shop.com and two others.
ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl are three hostnames that each resolve to a pair of IP addresses: ns2.openprovider.be to 162.159.27.96 and 2400:cb00:2049:1::a29f:1b60, ns3.openprovider.eu to 162.159.48.89 and 2400:cb00:2049:1::a29f:3059, and ns1.openprovider.nl to 162.159.26.10 and 2400:cb00:2049:1::a29f:1a0a.
Mail Servers
The sole mail server for cpu.nl is mail.op-email.eu.
Among the domains sharing a mail server setup with cpu.nl are vurt.org, megasoftware.nl, afspraakmetemma.nl and two others.
There is at least a partial MX overlap between cpu.nl and other domains, including webtcloud.com, tutmart.com, adsfair.co and two others.
mail.op-email.eu carries a single IP number, which is 34.13.213.173.