`robertkersten.nl`

DNSSEC	🔒 Signed (DS record present)
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.79^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`shades09.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:136^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		A	185.132.34.136^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades09.rzone.de`
NS	`docks03.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:3^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks03.rzone.de`
		A	217.160.80.130^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks03.rzone.de`
MX	`smtp.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::2097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtp.rzone.de`
		A	81.169.145.98^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtp.rzone.de`
SOA	`shades09.rzone.de`hostmaster@strato-rz.de 2020-07-05 #14

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-08-15 00:30:01 +0000 (EPOCH 1786753801)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-08-15 #1

Same first word

robertkersten.nl

DNS History

10 records (5 active, 5 former)

●NSdocks03.rzone.de2026-04-08 → 2026-08-15 · 3 obs

○ 2020-02-09 17:42:44
● 2026-04-08 06:57:00
● 2026-08-15 01:16:18

○NSns1.hostnet.nl2015-07-06 → 2020-02-09 · 4 obs

● 2015-07-06 03:10:12
● 2020-02-09 17:42:44
○ 2026-04-08 06:57:00
○ 2026-08-15 01:16:18

○NSns2.hostnetbv.com2015-07-06 → 2020-02-09 · 4 obs

● 2015-07-06 03:10:12
● 2020-02-09 17:42:44
○ 2026-04-08 06:57:00
○ 2026-08-15 01:16:18

○NSns3.hostnetbv.nl2015-07-06 → 2020-02-09 · 4 obs

● 2015-07-06 03:10:12
● 2020-02-09 17:42:44
○ 2026-04-08 06:57:00
○ 2026-08-15 01:16:18

●NSshades09.rzone.de2026-04-08 → 2026-08-15 · 3 obs

○ 2020-02-09 17:42:44
● 2026-04-08 06:57:00
● 2026-08-15 01:16:18

○MXmailfilter.hostnet.nl2015-07-06 → 2020-02-09 · 4 obs

● 2015-07-06 03:10:12
● 2020-02-09 17:42:44
○ 2026-04-08 06:57:00
○ 2026-08-15 01:16:18

●MXsmtp.rzone.de2026-04-08 → 2026-08-15 · 3 obs

○ 2020-02-09 17:42:44
● 2026-04-08 06:57:00
● 2026-08-15 01:16:18

●A2001:8d8:100f:f000::2002026-04-08 → 2026-08-15 · 3 obs

○ 2020-02-09 17:42:44
● 2026-04-08 06:57:00
● 2026-08-15 01:16:18

●A217.160.0.792026-04-08 → 2026-08-15 · 3 obs

○ 2020-02-09 17:42:44
● 2026-04-08 06:57:00
● 2026-08-15 01:16:18

○A91.184.0.622015-07-06 → 2020-02-09 · 4 obs

● 2015-07-06 03:10:12
● 2020-02-09 17:42:44
○ 2026-04-08 06:57:00
○ 2026-08-15 01:16:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
robertkersten.nl	docks03.rzone.de, shades09.rzone.de	-

✅ Authoritative Response

Server:185.132.34.136

NS records: docks03.rzone.de, shades09.rzone.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 457ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.79`
AAAA	1	`2001:8d8:100f:f000::200`
NS	2	`shades09.rzone.de, docks03.rzone.de`
MX	1	`smtp.rzone.de (pri: 5)`
SOA	1	`shades09.rzone.de hostmaster.strato-rz.d`

Analysis

IP Addresses

robertkersten.nl points to the IP addresses 217.160.0.79 and 2001:8d8:100f:f000::200

Among the host names that share IP numbers with robertkersten.nl are mail1-jkadvance.fr, theater-verein.de, wanggang.de and two others.

Name Servers

DNS delegation for robertkersten.nl points to two name servers: docks03.rzone.de and shades09.rzone.de.

robertkersten.nl has the same name server delegation as a number of other domains, such as gwa-stpauli.de, kornspeicherneumuehle.de, kino-termine.de and two more.

The name servers of robertkersten.nl overlap at least partially with those of other domains — among them hoemske.de, ecommerce-agb.de, hiebler.de and two more.

These name servers commonly appear in delegations together with shades11.rzone.de, docks17.rzone.de, shades14.rzone.de and 7 other.

docks03.rzone.de directs to 217.160.80.130 and 2001:8d8:fe:53:5747:2a74:d:3. shades09.rzone.de directs to 185.132.34.136 and 2607:f1c0:fe:53:185:132:34:136. Each host name carries two IP addresses.

Mail Servers

robertkersten.nl routes its mail through a single mail server, smtp.rzone.de.

robertkersten.nl has the same mail server arrangement as a number of other domains, for example mail.adorae.nl, hannie.eu, hastu.nl and two more.

smtp.rzone.de resolves to two IP numbers — 81.169.145.98 and 2a01:238:20a:202:50f0::2097.

robertkersten.nl - robtex.com