online-testcenter.com - robtex.com
online-testcenter.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.153.84.124🇳🇱 asbizwaynl45.153.84.0/22 | ||||||
| PTR | white04.septemberhosting.nl | ||||||
| NS | ns01.septemberhosting.nl ⭐ | ||||||
| A | 185.138.80.142🇳🇱 asbizwaynl185.138.80.0/22 AS203318 | ||||||
| PTR | dnsdist01.nexthost.nl | ||||||
| NS | ns02.septemberhosting.nl | ||||||
| A | 45.153.84.16🇳🇱 asbizwaynl45.153.84.0/22 | ||||||
| PTR | dnsdist02.nexthost.nl | ||||||
| MX | mail.online-testcenter.com ⭐ | ||||||
| A | 45.153.84.124🇳🇱 asbizwaynl45.153.84.0/22 | ||||||
| PTR | white04.septemberhosting.nl | ||||||
| TXT | v=spf1 a mx ip4:45.153.84.124 ~all | ||||||
| SOA | ns01.septemberhosting.nlhostmaster@online-testcenter.com 2021-07-12 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1777226471 | ||||||
Subdomains
mail.online-testcenter.com |
Same first word
online-testcenter.com |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns01.septemberhosting.nl2015-06-24 → 2026-04-26 · 2 obs
● 2026-04-26 18:20:28
●NSns02.septemberhosting.nl2015-06-24 → 2026-04-26 · 2 obs
● 2026-04-26 18:20:28
●MXmail.online-testcenter.com2015-06-24 → 2026-04-26 · 2 obs
● 2026-04-26 18:20:28
●A45.153.84.1242026-04-26 → 2026-04-26 · 2 obs
● 2026-04-26 18:20:28
○A62.216.2.1202016-04-04 → 2017-06-23 · 4 obs
● 2016-04-04 06:21:18
● 2017-06-23 22:18:34
○ 2026-04-26 18:20:28
○A82.94.169.272015-06-24 → 2016-01-19 · 4 obs
● 2016-01-19 16:43:20
○ 2016-04-04 06:21:18
○ 2026-04-26 18:20:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| online-testcenter.com | ns02.septemberhosting.nl, ns01.septemberhosting.nl | - |
✅ Authoritative Response
Server:185.138.80.142
NS records: ns02.septemberhosting.nl, ns01.septemberhosting.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for online-testcenter.com (unsigned zone)
⏱️ Timing
Total: 480ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.153.84.124 |
| NS | 2 | ns02.septemberhosting.nl, ns01.septemberhosting.nl |
| MX | 1 | mail.online-testcenter.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:45.153.84.124 ~all |
| SOA | 1 | ns01.septemberhosting.nl hostmaster.onli |
Analysis
Hierarchy
The parent of mail.online-testcenter.com is online-testcenter.com.
IP Addresses
online-testcenter.com points to an IP address: 45.153.84.124.
other host names, for instance mail.online-testcentre.com, white04.septemberhosting.nl, mail.online-testcenter.com and online-testcentre.com share IP numbers with online-testcenter.com.
Name Servers
Two name servers ns01.septemberhosting.nl and ns02.septemberhosting.nl handle the delegation for online-testcenter.com.
online-testcenter.com uses the same name server setup as other domains, such as online-testcentre.com, camperexperience.com, communicatieboeken.nl and foodqa.nl.
online-testcenter.com shares name servers with other domains at least partially, for example gooilandevents.nl.
These name servers are commonly used with ns01.nexthost.nl and ns02.nexthost.nl.
Host names with one IP:
ns01.septemberhosting.nl points to: 185.138.80.142
ns02.septemberhosting.nl points to: 45.153.84.16
Mail Servers
online-testcenter.com is handled by a single mail server, mail.online-testcenter.com.
The host name mail.online-testcenter.com points to IP 45.153.84.124.