`mail.elecourse.nl`

CNAME	`elecourse.nl`
DNSSEC	⚠️ Not signed
A	157.90.247.140^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
		PTR	`kiwi.robiz-hosting.nl`
NS	`ns1.robiz-hosting.nl` ⭐
		A	49.13.206.16^{🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC}
			PTR	`orka.robiz-hosting.nl`
NS	`ns2.robiz-hosting.nl`
		A	188.240.54.12^{🇳🇱 TRANSIP-AS188.240.52.0/22 TransIP B.V.}
			PTR	`alk.robiz-hosting.nl`
MX	`elecourse.nl` ⭐
		A	157.90.247.140^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
			PTR	`kiwi.robiz-hosting.nl`
TXT	`v=spf1 ip4:157.90.247.140 +a +mx +ip4:136.144.211.46 ~all`
SOA	`ns1.robiz-hosting.nl`info@robiz-hosting.nl 2026-03-28 #1

`elecourse.nl`

	DNSSEC	⚠️ Not signed
	A	157.90.247.140^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
	NS	`ns1.robiz-hosting.nl` ⭐
	NS	`ns2.robiz-hosting.nl`
	MX	`elecourse.nl` ⭐
	TXT	`v=spf1 ip4:157.90.247.140 +a +mx +ip4:136.144.211.46 ~all`
	SOA	`ns1.robiz-hosting.nl`info@robiz-hosting.nl 2026-03-28 #1

Previously MX for

elecourse.nl

Same first word

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mail.ss

mail.co

mail.tc

mail.gda.pl

mail.world

mail.pe

mail.sunnyday.jp

mail.group

mail.gov

mail.org.za

mail.mx

mail.cy

mail.gov.ae

mail.com.ba

mail.co.zw

mail.org

mail.pixolino.com

mail.ug

mail.ly

mail.gs

mail.bg

mail.wtf

mail.webhop.me

mail.al

mail.myfast.space

mail.vip

mail.red

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mail.pf

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mail.uy

mail.gt

mail.training

mail.cd

mail.in.ua

mail.cx

mail.gm

mail.su

mail.toshiba

mail.hosting

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mail.fm

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mail.coop

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mail.gov.mw

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mail.schoolbus.jp

mail.cn.ua

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mail.gov.ao

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DNS History

2 records (1 active, 1 former)

○A31.186.174.1182015-07-12 → 2016-07-13 · 4 obs

● 2015-07-12 23:04:32
● 2016-07-13 16:29:10
○ 2026-05-10 10:13:22
○ 2026-05-10 10:13:24

●CNAMEelecourse.nl2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 10:13:22
● 2026-05-10 10:13:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
elecourse.nl	ns1.robiz-hosting.nl, ns2.robiz-hosting.nl	2 records

✅ Authoritative Response

Server:49.13.206.16

NS records: ns1.robiz-hosting.nl, ns2.robiz-hosting.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for elecourse.nl (unsigned zone)

⏱️ Timing

Total: 322ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`elecourse.nl`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.robiz-hosting.nl, ns2.robiz-hosting.nl)

Analysis

IP Addresses

mail.elecourse.nl points to IP number 157.90.247.140.

For instance, other host names bumbal.eu, lijstenmakerijvanantwerpen.nl, kiwi.robiz-hosting.nl, email-instellen.info and aztec.be share IP numbers with mail.elecourse.nl.

Name Servers

mail.elecourse.nl is delegated to two name servers: ns1.robiz-hosting.nl and ns2.robiz-hosting.nl.

mail.elecourse.nl uses the same name server setup as other domains such as tiboma.nl, groothandelverpakkingen.com, wrapman.be, underwear-online.com and differenthairshop.nl.

mail.elecourse.nl shares name servers with other domains at least partially, for example vjuw.nl, veroudenwonen.nl, ns-srv.com, veroudenvastgoedbeheer.nl and tennie.nl.

These name servers are commonly used with ns3.robiz-hosting.nl.

Host names with one IP number:

ns1.robiz-hosting.nl points to: 49.13.206.16.

ns2.robiz-hosting.nl points to: 188.240.54.12.

Mail Servers

mail.elecourse.nl is handled by a single mail server, elecourse.nl.

The mail server setup of mail.elecourse.nl is the same as that of other domains, for instance elecourse.nl.

elecourse.nl points to a single IP: 157.90.247.140.

mail.elecourse.nl - robtex.com