`bartklemresearch.org`

DNSSEC	⚠️ Not signed
A	2a06:2ec0:1::129^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
		PTR	`web0129.zxcs.nl`
A	185.104.29.94^{🇳🇱 AS-ZXCS185.104.29.0/24}
NS	`ns.zxcs.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	`ns.zxcs.be`
		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	`ns.zxcs.eu`
		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`
MX	`spamrelay.zxcs.nl` ⭐
		A	2a06:2ec0:1::ffec^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
			PTR	`spamrelay.zxcs.nl`
		A	185.104.28.12^{🇳🇱 AS-ZXCS185.104.28.0/24}
			PTR	`spamrelay.zxcs.nl`
TXT	`v=spf1 a mx ip4:185.104.29.94 ip6:2a06:2ec0:1:0:0:0:0:129 include:filter-out....`
SOA	`ns.zxcs.nl`hostmaster@bartklemresearch.org 2026-02-23 #3

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1776090313

Subdomains

mail.bartklemresearch.org

Same first word

bartklemresearch.org

DNS History

12 records (6 active, 6 former)

●NSns.zxcs.be2026-03-25 → 2026-04-13 · 3 obs

○ 2017-09-21 15:59:00
● 2026-03-25 22:37:00
● 2026-04-13 14:45:28

●NSns.zxcs.eu2026-03-25 → 2026-04-13 · 3 obs

○ 2017-09-21 15:59:00
● 2026-03-25 22:37:00
● 2026-04-13 14:45:28

●NSns.zxcs.nl2026-03-25 → 2026-04-13 · 3 obs

○ 2017-09-21 15:59:00
● 2026-03-25 22:37:00
● 2026-04-13 14:45:28

○NSns0.transip.net2015-05-24 → 2017-09-21 · 4 obs

● 2015-05-24 02:29:04
● 2017-09-21 15:59:00
○ 2026-03-25 22:37:00
○ 2026-04-13 14:45:28

○NSns1.transip.nl2015-05-24 → 2017-09-21 · 4 obs

● 2015-05-24 02:29:04
● 2017-09-21 15:59:00
○ 2026-03-25 22:37:00
○ 2026-04-13 14:45:28

○NSns2.transip.eu2015-05-24 → 2017-09-21 · 4 obs

● 2015-05-24 02:29:04
● 2017-09-21 15:59:00
○ 2026-03-25 22:37:00
○ 2026-04-13 14:45:28

○MXmail.bartklemresearch.org2015-05-24 → 2017-09-21 · 4 obs

● 2015-05-24 02:29:04
● 2017-09-21 15:59:00
○ 2026-03-25 22:37:00
○ 2026-04-13 14:45:28

●MXspamrelay.zxcs.nl2026-03-25 → 2026-04-13 · 3 obs

○ 2017-09-21 15:59:00
● 2026-03-25 22:37:00
● 2026-04-13 14:45:28

○A141.138.136.1012015-05-24 → 2017-09-21 · 4 obs

● 2015-05-24 02:29:04
● 2017-09-21 15:59:00
○ 2026-03-25 22:37:00
○ 2026-04-13 14:45:28

●A185.104.29.942026-03-25 → 2026-04-13 · 3 obs

○ 2017-09-21 15:59:00
● 2026-03-25 22:37:00
● 2026-04-13 14:45:28

○A2a01:7c8:aaaa:2fe::2015-05-24 → 2017-09-21 · 4 obs

● 2015-05-24 02:29:04
● 2017-09-21 15:59:00
○ 2026-03-25 22:37:00
○ 2026-04-13 14:45:28

●A2a06:2ec0:1::1292026-03-25 → 2026-04-13 · 3 obs

○ 2017-09-21 15:59:00
● 2026-03-25 22:37:00
● 2026-04-13 14:45:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
bartklemresearch.org	ns.zxcs.be, ns.zxcs.eu, ns.zxcs.nl	-

✅ Authoritative Response

Server:185.104.28.19

NS records: ns.zxcs.be, ns.zxcs.eu, ns.zxcs.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bartklemresearch.org (unsigned zone)

⏱️ Timing

Total: 957ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.104.29.94`
AAAA	1	`2a06:2ec0:1::129`
NS	3	`ns.zxcs.eu, ns.zxcs.nl...`
MX	1	`spamrelay.zxcs.nl (pri: 10)`
TXT	1	`v=spf1 a mx ip4:185.104.29.94 ip6:2a06:2`
SOA	1	`ns.zxcs.nl hostmaster.bartklemresearch.o`

Analysis

Hierarchy

bartklemresearch.org is parent of mail.bartklemresearch.org.

IP Addresses

bartklemresearch.org points to two IP numbers: 2a06:2ec0:1::129 and 185.104.29.94.

Other host names, for instance rayke.nl, www.vivente.nl, nulvijfnul.nl, registerwijndocent.nl and mail.sos-ameland.nl share IP numbers with bartklemresearch.org.

Name Servers

bartklemresearch.org is delegated to three name servers: ns.zxcs.be, ns.zxcs.eu and ns.zxcs.nl.

bartklemresearch.org at least partially shares its name servers with other domains, for instance freshpc.nl, mysparkle.net, grotetent.nl, xndo.nl and (0x736578)ylingerie.be.

These name servers are commonly used with ns1.zxcs.nl, ns2.zxcs.nl and ns3.zxcs.nl.

Host names with two IP numbers:

ns.zxcs.be points to: 2a03:b0c0:3:d0::116:2001 and 46.101.179.64.

ns.zxcs.eu points to: 2a03:b0c0:2:d0::57:1001 and 178.62.208.8.

ns.zxcs.nl points to: 2a06:2ec0:1::10 and 185.104.28.19.

Mail Servers

bartklemresearch.org is served by a single mail server, spamrelay.zxcs.nl.

bartklemresearch.org uses the same mail server setup as other domains such as aberson-agencies.com, somar.nl, handvatverwarming.nl, asis-t.nl and marsa-alam.nl.

bartklemresearch.org shares some mail servers with other domains, including ecosynergy.nl, arthom.nl, svautos.eu, fysiosminia.nl and young4all.com.

These mail servers are often used alongside the mail servers aspmx.l.google.com.

Hostname spamrelay.zxcs.nl resolves to two IPs: 2a06:2ec0:1::ffec and 185.104.28.12.

bartklemresearch.org - robtex.com