`randstadhoiding.com`

DNSSEC	🔒 Signed (DS record present)
A	34.241.185.7^{🇮🇪 Amazon34.240.0.0/13 EC2 DUB prefix}
		PTR	`ec2-34-241-185-7.eu-west-1.compute.amazonaws.com`
A	54.246.153.186^{🇮🇪 Amazon54.246.128.0/17 EC2 DUB prefix}
NS	`ns-1697.awsdns-20.co.uk` ⭐
		A	2600:9000:5306:a100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1697.awsdns-20.co.uk`
		A	205.251.198.161^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1697.awsdns-20.co.uk`
NS	`ns-100.awsdns-12.com`
		A	2600:9000:5300:6400::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-100.awsdns-12.com`
		A	205.251.192.100^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-100.awsdns-12.com`
NS	`ns-1444.awsdns-52.org`
		A	2600:9000:5305:a400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1444.awsdns-52.org`
		A	205.251.197.164^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1444.awsdns-52.org`
NS	`ns-708.awsdns-24.net`
		A	2600:9000:5302:c400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-708.awsdns-24.net`
		A	205.251.194.196^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-708.awsdns-24.net`
MX	`mail000001.gen.randstad.com` ⭐
MX	`mail000002.gen.randstad.com`⁽²⁰⁾
TXT	`v=spf1 -all`
SOA	`ns-1697.awsdns-20.co.uk`awsdns-hostmaster@amazon.com serial=1

`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=1777434561

Same first word

randstadhoiding.com

DNS History

14 records (8 active, 6 former)

○NSdns000001.gen.randstad.com2016-12-20 → 2017-10-27 · 4 obs

● 2016-12-20 02:13:16
● 2017-10-27 03:16:44
○ 2026-04-29 04:04:48
○ 2026-04-29 04:04:50

○NSdns000002.gen.randstad.com2016-12-20 → 2017-10-27 · 4 obs

● 2016-12-20 02:13:16
● 2017-10-27 03:16:44
○ 2026-04-29 04:04:48
○ 2026-04-29 04:04:50

●NSns-100.awsdns-12.com2026-04-29 → 2026-04-29 · 3 obs

○ 2017-10-27 03:16:44
● 2026-04-29 04:04:48
● 2026-04-29 04:04:50

●NSns-1444.awsdns-52.org2026-04-29 → 2026-04-29 · 3 obs

○ 2017-10-27 03:16:44
● 2026-04-29 04:04:48
● 2026-04-29 04:04:50

●NSns-1697.awsdns-20.co.uk2026-04-29 → 2026-04-29 · 3 obs

○ 2017-10-27 03:16:44
● 2026-04-29 04:04:48
● 2026-04-29 04:04:50

●NSns-708.awsdns-24.net2026-04-29 → 2026-04-29 · 3 obs

○ 2017-10-27 03:16:44
● 2026-04-29 04:04:48
● 2026-04-29 04:04:50

○NSns2.kpn.net2016-12-20 → 2017-10-27 · 4 obs

● 2016-12-20 02:13:16
● 2017-10-27 03:16:44
○ 2026-04-29 04:04:48
○ 2026-04-29 04:04:50

●MXmail000001.gen.randstad.com2016-12-20 → 2026-04-29 · 2 obs

● 2016-12-20 02:13:16
● 2026-04-29 04:04:50

●MXmail000002.gen.randstad.com2016-12-20 → 2026-04-29 · 2 obs

● 2016-12-20 02:13:16
● 2026-04-29 04:04:50

○A178.23.186.1532016-12-20 → 2017-10-27 · 4 obs

● 2016-12-20 02:13:16
● 2017-10-27 03:16:44
○ 2026-04-29 04:04:48
○ 2026-04-29 04:04:50

●A34.241.185.72026-04-29 → 2026-04-29 · 3 obs

○ 2017-10-27 03:16:44
● 2026-04-29 04:04:48
● 2026-04-29 04:04:50

○A52.31.142.22026-04-29 → 2026-04-29 · 2 obs

○ 2026-04-29 04:04:48
○ 2026-04-29 04:04:50

○A52.49.189.1892026-04-29 → 2026-04-29 · 2 obs

○ 2026-04-29 04:04:48
○ 2026-04-29 04:04:50

●A54.246.153.1862026-04-29 → 2026-04-29 · 3 obs

○ 2017-10-27 03:16:44
● 2026-04-29 04:04:48
● 2026-04-29 04:04:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net...	-
randstadhoiding.com	ns-100.awsdns-12.com, ns-708.awsdns-24.net, ns-1697.awsdns-20.co.uk, ns-1444.awsdns-52.org	2 records

✅ Authoritative Response

Server:205.251.197.164

NS records: ns-100.awsdns-12.com, ns-708.awsdns-24.net, ns-1697.awsdns-20.co.uk, ns-1444.awsdns-52.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 465ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.246.153.186, 34.241.185.7`
NS	4	`ns-100.awsdns-12.com, ns-1444.awsdns-52.org...`
MX	2	`mail000001.gen.randstad.com (pri: 10), mail000002.gen.randstad.com (pri: 20)`
TXT	1	`v=spf1 -all`
SOA	1	`ns-1697.awsdns-20.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-100.awsdns-12.com, ns-100.awsdns-12.com)

Analysis

IP Addresses

randstadhoiding.com resolves to two IP numbers: 34.241.185.7 and 54.246.153.186.

Other host names, for instance bmc.eu, mailprofs.nl, hightechjobseindhoven.com, randstat.nl and bouwflex.nl share IP numbers with randstadhoiding.com.

Name Servers

randstadhoiding.com is delegated to four name servers: ns-100.awsdns-12.com, ns-708.awsdns-24.net, ns-1444.awsdns-52.org and ns-1697.awsdns-20.co.uk.

randstadhoiding.com shares some name servers with other domains, for example d1tajcaptg4kac.cloudfront.net, kibbutzvolunteers.org.il, wexmcbenefits.com, d2n4ey94ysk7w7.cloudfront.net and mail.awsapps.com.

Host names with two IP numbers

Two IPs per host:

ns-100.awsdns-12.com points to 2600:9000:5300:6400::1 and 205.251.192.100

ns-708.awsdns-24.net points to 2600:9000:5302:c400::1 and 205.251.194.196

ns-1444.awsdns-52.org points to 2600:9000:5305:a400::1 and 205.251.197.164

ns-1697.awsdns-20.co.uk points to 2600:9000:5306:a100::1 and 205.251.198.161

Mail Servers

randstadhoiding.com is served by two mail servers: mail000001.gen.randstad.com and mail000002.gen.randstad.com.

randstadhoiding.com shares the mail server setup with other domains, for example yachtacademyportal.nl, tempoteam.pl, randstad.design, tempoteam.be and nationalecqtest.nl.

randstadhoiding.com shares some mail servers with other domains, at least partially; for instance herintreder.nl, corridor.no, e-bridge.biz, randstad.biz and eu-flex.nl.

these mail servers are commonly used alongside the mail servers mailbackup1.kpn.net.

randstadhoiding.com - robtex.com