`online-testcentre.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-testcentre.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.nl`hostmaster@online-testcentre.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.net`nstld@verisign-grs.com serial=1777220936

Subdomains

mail.online-testcentre.com

Same first word

online-testcentre.com

Similar names

online-testcenter.com

DNS History

7 records (4 active, 3 former)

●NSns01.septemberhosting.nl2015-07-19 → 2026-04-26 · 2 obs

● 2015-07-19 16:44:48
● 2026-04-26 16:35:36

●NSns02.septemberhosting.nl2015-07-19 → 2026-04-26 · 2 obs

● 2015-07-19 16:44:48
● 2026-04-26 16:35:36

●MXmail.online-testcentre.com2015-07-19 → 2026-04-26 · 2 obs

● 2015-07-19 16:44:48
● 2026-04-26 16:35:36

●A45.153.84.1242026-03-31 → 2026-04-26 · 3 obs

○ 2020-04-14 17:25:26
● 2026-03-31 21:09:16
● 2026-04-26 16:35:36

○A62.216.2.1202016-03-14 → 2017-03-31 · 5 obs

○ 2015-11-19 11:54:46
● 2016-03-14 21:33:24
● 2017-03-31 08:44:48
○ 2020-04-14 17:25:26
○ 2026-04-26 16:35:36

○A62.216.2.432020-04-14 → 2020-04-14 · 4 obs

○ 2017-03-31 08:44:48
● 2020-04-14 17:25:26
○ 2026-03-31 21:09:16
○ 2026-04-26 16:35:36

○A82.94.169.272015-07-19 → 2015-11-19 · 4 obs

● 2015-07-19 16:44:48
● 2015-11-19 11:54:46
○ 2016-03-14 21:33:24
○ 2026-04-26 16:35:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...	-
online-testcentre.com	ns02.septemberhosting.nl, ns01.septemberhosting.nl	-

✅ Authoritative Response

Server:45.153.84.16

NS records: ns02.septemberhosting.nl, ns01.septemberhosting.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for online-testcentre.com (unsigned zone)

⏱️ Timing

Total: 1075ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.153.84.124`
NS	2	`ns01.septemberhosting.nl, ns02.septemberhosting.nl`
MX	1	`mail.online-testcentre.com (pri: 10)`
TXT	1	`v=spf1 a mx ip4:45.153.84.124 ~all`
SOA	1	`ns01.septemberhosting.nl hostmaster.onli`

Analysis

Hierarchy

online-testcentre.com is the parent of mail.online-testcentre.com.

IP Addresses

online-testcentre.com resolves to one IP number: 45.153.84.124.

Other host names, for instance mail.online-testcentre.com, white04.septemberhosting.nl, online-testcenter.com and mail.online-testcenter.com share IP numbers with online-testcentre.com.

Name Servers

online-testcentre.com is delegated to two name servers ns01.septemberhosting.nl and ns02.septemberhosting.nl.

online-testcentre.com uses the same name server setup as other domains such as camperexperience.com, communicatieboeken.nl, foodqa.nl and online-testcenter.com.

online-testcentre.com at least partially shares name servers with other domains, for instance gooilandevents.nl.

These name servers are commonly used alongside ns01.nexthost.nl and ns02.nexthost.nl.

Host names with one IP number:

ns01.septemberhosting.nl points to 185.138.80.142

ns02.septemberhosting.nl points to 45.153.84.16

Mail Servers

online-testcentre.com is handled by a single mail server, mail.online-testcentre.com.

mail.online-testcentre.com resolves to IP 45.153.84.124.

online-testcentre.com - robtex.com