`gebruiktschoolboek.com`

DNSSEC	⚠️ Not signed
A	136.144.212.108^{🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands}
		PTR	`parking.hostingserver.nl`
NS	`ns1.dn-s.nl` ⭐
		A	2a06:2ec0:1::10^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
			PTR	`ns1.zxcs.nl`
		A	185.104.28.19^{🇳🇱 AS-ZXCS185.104.28.0/24}
			PTR	`ns1.zxcs.nl`
NS	`ns2.dn-s.nl`
		A	2a03:b0c0:3:d0::116:2001^{🇩🇪 DIGITALOCEAN2a03:b0c0:3::/48 DigitalOcean}
			PTR	`ns2.zxcs.nl`
		A	46.101.179.64^{🇩🇪 DIGITALOCEAN46.101.128.0/17 DigitalOcean}
			PTR	`ns2.zxcs.nl`
NS	`ns3.dn-s.nl`
		A	2a03:b0c0:2:d0::57:1001^{🇳🇱 DIGITALOCEAN2a03:b0c0:2::/48 DigitalOcean}
			PTR	`ns3.zxcs.nl`
		A	178.62.208.8^{🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean}
			PTR	`ns3.zxcs.nl`
NS	`ns4.dn-s.nl`
		A	2a06:2ec0:1:a::d53^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
			PTR	`ns.zxcs.de`
		A	185.220.172.14^{🇩🇪 AS-ZXCS185.220.172.0/24 VIMEXX}
			PTR	`ns.zxcs.de`
MX	`mail.gebruiktschoolboek.com` ⭐
		A	136.144.212.108^{🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands}
			PTR	`parking.hostingserver.nl`
TXT	`v=spf1 a mx include:_spf.premiumantispam.nl ~all`
SOA	`ns1.dn-s.nl`hostmaster@gebruiktschoolboek.com 2021-01-01 #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=1778697681

Subdomains

mail.gebruiktschoolboek.com

Same first word

gebruiktschoolboek.com

DNS History

11 records (6 active, 5 former)

○NSns.prezent.nl2015-08-08 → 2017-02-16 · 4 obs

● 2015-08-08 10:41:14
● 2017-02-16 05:03:52
○ 2026-03-31 08:51:56
○ 2026-05-13 18:49:36

●NSns1.dn-s.nl2026-03-31 → 2026-05-13 · 3 obs

○ 2017-02-16 05:03:52
● 2026-03-31 08:51:56
● 2026-05-13 18:49:36

●NSns2.dn-s.nl2026-03-31 → 2026-05-13 · 3 obs

○ 2017-02-16 05:03:52
● 2026-03-31 08:51:56
● 2026-05-13 18:49:36

○NSns2.prezent.nl2015-08-08 → 2017-02-16 · 4 obs

● 2015-08-08 10:41:14
● 2017-02-16 05:03:52
○ 2026-03-31 08:51:56
○ 2026-05-13 18:49:36

●NSns3.dn-s.nl2026-03-31 → 2026-05-13 · 3 obs

○ 2017-02-16 05:03:52
● 2026-03-31 08:51:56
● 2026-05-13 18:49:36

○NSns3.prezent.nl2015-08-08 → 2017-02-16 · 4 obs

● 2015-08-08 10:41:14
● 2017-02-16 05:03:52
○ 2026-03-31 08:51:56
○ 2026-05-13 18:49:36

●NSns4.dn-s.nl2026-03-31 → 2026-05-13 · 3 obs

○ 2017-02-16 05:03:52
● 2026-03-31 08:51:56
● 2026-05-13 18:49:36

●MXmail.gebruiktschoolboek.com2026-03-31 → 2026-05-13 · 3 obs

○ 2017-02-16 05:03:52
● 2026-03-31 08:51:56
● 2026-05-13 18:49:36

○MXsmtp.dmrmail.nl2015-08-08 → 2017-02-16 · 4 obs

● 2015-08-08 10:41:14
● 2017-02-16 05:03:52
○ 2026-03-31 08:51:56
○ 2026-05-13 18:49:36

●A136.144.212.1082026-03-31 → 2026-05-13 · 3 obs

○ 2017-02-16 05:03:52
● 2026-03-31 08:51:56
● 2026-05-13 18:49:36

○A80.84.251.222015-08-08 → 2017-02-16 · 4 obs

● 2015-08-08 10:41:14
● 2017-02-16 05:03:52
○ 2026-03-31 08:51:56
○ 2026-05-13 18:49:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net...	-
gebruiktschoolboek.com	ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl, ns4.dn-s.nl	-

✅ Authoritative Response

Server:185.220.172.14

NS records: ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl, ns4.dn-s.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gebruiktschoolboek.com (unsigned zone)

⏱️ Timing

Total: 688ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.144.212.108`
NS	4	`ns3.dn-s.nl, ns4.dn-s.nl...`
MX	1	`mail.gebruiktschoolboek.com (pri: 10)`
TXT	1	`v=spf1 a mx include:_spf.premiumantispam`
SOA	1	`ns1.dn-s.nl hostmaster.gebruiktschoolboe`

Analysis

Hierarchy

The parent of mail.gebruiktschoolboek.com is gebruiktschoolboek.com.

IP Addresses

gebruiktschoolboek.com points to a single IP address: 136.144.212.108.

Other host names such as mail.gastrosteam.com, mail.art6mix.com, mail.zenavuurwerk.info, riva-world.eu and mail.irishharvest.nl share IPs with gebruiktschoolboek.com.

Name Servers

gebruiktschoolboek.com is delegated to four name servers: ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl and ns4.dn-s.nl.

gebruiktschoolboek.com at least partially shares name servers with other domains, for example intercai.nl, kuulwei.nl, biglight.nl, drost.es and maalman.net.

These name servers are commonly used with ns2.dn-s.be and ns3.dn-s.eu and ns4.dn-s.org.

Host names with two IP numbers:

ns1.dn-s.nl points to: 2a06:2ec0:1::10 and 185.104.28.19

ns2.dn-s.nl points to: 2a03:b0c0:3:d0::116:2001 and 46.101.179.64

ns3.dn-s.nl points to: 2a03:b0c0:2:d0::57:1001 and 178.62.208.8

ns4.dn-s.nl points to: 2a06:2ec0:1:a::d53 and 185.220.172.14

Mail Servers

The mail.gebruiktschoolboek.com mail server handles gebruiktschoolboek.com.

mail.gebruiktschoolboek.com points to a single IP number: 136.144.212.108.

gebruiktschoolboek.com - robtex.com