`ronaldkoetzier.com`

DNSSEC	🔒 Signed (DS record present)
A	2a05:1500:101:5::65^{🇳🇱 CLDIN-NL2a05:1500::/29}
A	185.103.156.65^{🇳🇱 CLDIN-NL185.103.156.0/22}
NS	`ns041.auroradns.eu` ⭐
		A	2a00:f10:402:781:1c00:89ff:fe00:2597^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`ns041.auroradns.eu`
		A	185.95.31.236^{🇳🇱 CLDIN-NL185.95.31.0/24}
			PTR	`ns041.auroradns.eu`
NS	`ns042.auroradns.nl`
		A	2a05:1500:702:0:1c00:8fff:fe00:1e^{🇳🇱 CLDIN-NL2a05:1500::/29}
		A	31.25.98.34^{🇳🇱 CLDIN-NL31.25.96.0/21 PCextreme B.V.}
NS	`ns043.auroradns.info`
		A	2a05:1500:fe00::c3ff:fe08:d017^{🇳🇱 NL-BIT2a05:1500:fe00::/40}
		A	195.8.208.23^{🇳🇱 NL-BIT195.8.208.0/23}
MX	`primary.mail.pcextreme.nl` ⭐
		A	2a00:f10:121:a00:470:4ff:fe00:1845^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se01.route25.eu`
		A	2a00:f10:121:a00:4f8:84ff:fe00:1846^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se02.route25.eu`
		A	2a00:f10:121:b00:43f:e2ff:fe00:1cfb^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se05.route25.eu`
		A	2a00:f10:400:2:44a:acff:fe00:33f^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se06.route25.eu`
		A	2a00:f10:400:2:488:56ff:fe00:74f^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se03.route25.eu`
		A	2a00:f10:400:2:4df:4aff:fe00:1c4^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se04.route25.eu`
		A	185.66.250.200^{🇳🇱 CLDIN-NL185.66.248.0/22 PCextreme - IPv4 Route}
			PTR	`se01.route25.eu`
		A	185.66.250.201^{🇳🇱 CLDIN-NL185.66.248.0/22 PCextreme - IPv4 Route}
			PTR	`se02.route25.eu`
		A	185.87.184.60^{🇳🇱 CLDIN-NL185.87.184.0/22}
			PTR	`se04.route25.eu`
		A	185.87.185.193^{🇳🇱 CLDIN-NL185.87.184.0/22}
			PTR	`se06.route25.eu`
		A	185.87.186.222^{🇳🇱 CLDIN-NL185.87.184.0/22}
			PTR	`se05.route25.eu`
		A	185.107.224.99^{🇳🇱 CLDIN-NL185.107.224.0/23}
			PTR	`se03.route25.eu`
MX	`fallback.mail.pcextreme.nl`⁽²⁰⁾
		A	2a00:f10:121:a00:470:4ff:fe00:1845^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se01.route25.eu`
		A	2a00:f10:121:a00:4f8:84ff:fe00:1846^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se02.route25.eu`
		A	2a00:f10:121:b00:43f:e2ff:fe00:1cfb^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se05.route25.eu`
		A	2a00:f10:400:2:44a:acff:fe00:33f^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se06.route25.eu`
		A	2a00:f10:400:2:488:56ff:fe00:74f^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se03.route25.eu`
		A	2a00:f10:400:2:4df:4aff:fe00:1c4^{🇳🇱 CLDIN-NL2a00:f10::/29}
			PTR	`se04.route25.eu`
		A	185.66.250.200^{🇳🇱 CLDIN-NL185.66.248.0/22 PCextreme - IPv4 Route}
			PTR	`se01.route25.eu`
		A	185.66.250.201^{🇳🇱 CLDIN-NL185.66.248.0/22 PCextreme - IPv4 Route}
			PTR	`se02.route25.eu`
		A	185.87.184.60^{🇳🇱 CLDIN-NL185.87.184.0/22}
			PTR	`se04.route25.eu`
		A	185.87.185.193^{🇳🇱 CLDIN-NL185.87.184.0/22}
			PTR	`se06.route25.eu`
		A	185.87.186.222^{🇳🇱 CLDIN-NL185.87.184.0/22}
			PTR	`se05.route25.eu`
		A	185.107.224.99^{🇳🇱 CLDIN-NL185.107.224.0/23}
			PTR	`se03.route25.eu`
TXT	`v=spf1 include:_spf4.pcextreme.nl include:_spf6.pcextreme.nl ~all`
SOA	`ns041.auroradns.eu`admin@auroradns.eu 2019-01-16 #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=1774653292

Previously MX for

ronaldkoetzier.com

Subdomains

mail.ronaldkoetzier.com

Same first word

ronaldkoetzier.com

DNS History

18 records (7 active, 11 former)

○NSns.stratoserver.net2015-08-01 → 2016-03-11 · 4 obs

● 2015-08-01 01:03:40
● 2016-03-11 15:53:58
○ 2016-07-05 22:15:26
○ 2026-03-27 23:25:02

●NSns041.auroradns.eu2020-01-02 → 2026-03-27 · 3 obs

○ 2017-03-18 19:40:50
● 2020-01-02 04:41:36
● 2026-03-27 23:25:02

●NSns042.auroradns.nl2020-01-02 → 2026-03-27 · 3 obs

○ 2017-03-18 19:40:50
● 2020-01-02 04:41:36
● 2026-03-27 23:25:02

●NSns043.auroradns.info2020-01-02 → 2026-03-27 · 3 obs

○ 2017-03-18 19:40:50
● 2020-01-02 04:41:36
● 2026-03-27 23:25:02

○NSns2.stratoserver.net2015-08-01 → 2016-03-11 · 4 obs

● 2015-08-01 01:03:40
● 2016-03-11 15:53:58
○ 2016-07-05 22:15:26
○ 2026-03-27 23:25:02

○NSv1.pcextreme.nl2016-07-05 → 2017-03-18 · 5 obs

○ 2016-03-11 15:53:58
● 2016-07-05 22:15:26
● 2017-03-18 19:40:50
○ 2020-01-02 04:41:36
○ 2026-03-27 23:25:02

○NSv2.pcextreme.nl2016-07-05 → 2017-03-18 · 5 obs

○ 2016-03-11 15:53:58
● 2016-07-05 22:15:26
● 2017-03-18 19:40:50
○ 2020-01-02 04:41:36
○ 2026-03-27 23:25:02

○NSv3.pcextreme.eu2016-07-05 → 2017-03-18 · 5 obs

○ 2016-03-11 15:53:58
● 2016-07-05 22:15:26
● 2017-03-18 19:40:50
○ 2020-01-02 04:41:36
○ 2026-03-27 23:25:02

●MXfallback.mail.pcextreme.nl2026-02-22 → 2026-03-27 · 3 obs

○ 2020-01-02 04:41:36
● 2026-02-22 08:00:00
● 2026-03-27 23:25:02

○MXmail.ronaldkoetzier.com2016-07-05 → 2020-01-02 · 5 obs

○ 2016-03-11 15:53:58
● 2016-07-05 22:15:26
● 2020-01-02 04:41:36
○ 2026-02-22 08:00:00
○ 2026-03-27 23:25:02

○MXmx20.pcextreme.nl2016-07-05 → 2020-01-02 · 5 obs

○ 2016-03-11 15:53:58
● 2016-07-05 22:15:26
● 2020-01-02 04:41:36
○ 2026-02-22 08:00:00
○ 2026-03-27 23:25:02

●MXprimary.mail.pcextreme.nl2026-02-22 → 2026-03-27 · 3 obs

○ 2020-01-02 04:41:36
● 2026-02-22 08:00:00
● 2026-03-27 23:25:02

○MXronaldkoetzier.com2015-08-01 → 2016-03-11 · 4 obs

● 2015-08-01 01:03:40
● 2016-03-11 15:53:58
○ 2016-07-05 22:15:26
○ 2026-03-27 23:25:02

●A185.103.156.652026-02-22 → 2026-03-27 · 3 obs

○ 2020-01-02 04:41:36
● 2026-02-22 08:00:00
● 2026-03-27 23:25:02

○A185.66.250.1962016-07-05 → 2020-01-02 · 5 obs

○ 2016-03-11 15:53:58
● 2016-07-05 22:15:26
● 2020-01-02 04:41:36
○ 2026-02-22 08:00:00
○ 2026-03-27 23:25:02

○A2a00:f10:121:a00:41d:c0ff:fe00:18412016-07-05 → 2020-01-02 · 5 obs

○ 2016-03-11 15:53:58
● 2016-07-05 22:15:26
● 2020-01-02 04:41:36
○ 2026-02-22 08:00:00
○ 2026-03-27 23:25:02

●A2a05:1500:101:5::652026-02-22 → 2026-03-27 · 3 obs

○ 2020-01-02 04:41:36
● 2026-02-22 08:00:00
● 2026-03-27 23:25:02

○A85.214.27.1272015-08-01 → 2016-03-11 · 4 obs

● 2015-08-01 01:03:40
● 2016-03-11 15:53:58
○ 2016-07-05 22:15:26
○ 2026-03-27 23:25:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
ronaldkoetzier.com	ns041.auroradns.eu, ns042.auroradns.nl, ns043.auroradns.info	-

✅ Authoritative Response

Server:195.8.208.23

NS records: ns041.auroradns.eu, ns042.auroradns.nl, ns043.auroradns.info

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1190ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.103.156.65`
AAAA	1	`2a05:1500:101:5::65`
NS	3	`ns042.auroradns.nl, ns041.auroradns.eu...`
MX	2	`primary.mail.pcextreme.nl (pri: 10), fallback.mail.pcextreme.nl (pri: 20)`
TXT	1	`v=spf1 include:_spf4.pcextreme.nl includ`
SOA	1	`ns041.auroradns.eu admin.auroradns.eu`

Analysis

Hierarchy

The parent of mail.ronaldkoetzier.com is ronaldkoetzier.com.

IP Addresses

ronaldkoetzier.com points to two IP numbers: 2a05:1500:101:5::65 and 185.103.156.65.

Other host names such as kunstraadgroningen.nl, perebolte.nl, bijzonderezaken.com, olafminten.be and agriferm.com share IPs with ronaldkoetzier.com.

Name Servers

ronaldkoetzier.com is delegated to three name servers: ns041.auroradns.eu, ns043.auroradns.info and ns042.auroradns.nl.

ronaldkoetzier.com at least partially shares name servers with other domains, for example malune.nl, weijma.com, cyr.nl, bv-acquit.com and urbancrops.be.

Host names with two IP numbers:

ns041.auroradns.eu points to 2a00:f10:402:781:1c00:89ff:fe00:2597 and 185.95.31.236

ns043.auroradns.info points to 2a05:1500:fe00::c3ff:fe08:d017 and 195.8.208.23

ns042.auroradns.nl points to 2a05:1500:702:0:1c00:8fff:fe00:1e and 31.25.98.34

Mail Servers

Two mail servers handle ronaldkoetzier.com: fallback.mail.pcextreme.nl and primary.mail.pcextreme.nl.

ronaldkoetzier.com shares the same mail server setup as other domains, including dittissunsea.nl, autogaragehuiszoon.nl, thienen.nl, lfsl.nl and crabpeople.eu.

ronaldkoetzier.com shares at least partially some mail servers with other domains, for instance 4jaargetijden.eu, mcomm.be, naughtyyou.com, breedadvies.net and cloudcalling.com.

these mail servers are commonly used with mx20.pcextreme.nl.

Host names with twelve IP numbers

Host fallback.mail.pcextreme.nl points to: 2a00:f10:121:a00:470:4ff:fe00:1845, 2a00:f10:121:a00:4f8:84ff:fe00:1846, 2a00:f10:121:b00:43f:e2ff:fe00:1cfb, 2a00:f10:400:2:44a:acff:fe00:33f, 2a00:f10:400:2:488:56ff:fe00:74f, 2a00:f10:400:2:4df:4aff:fe00:1c4, 185.66.250.200, 185.66.250.201, 185.87.184.60, 185.87.185.193, 185.87.186.222 and 185.107.224.99.

Host primary.mail.pcextreme.nl points to: 2a00:f10:121:a00:470:4ff:fe00:1845, 2a00:f10:121:a00:4f8:84ff:fe00:1846, 2a00:f10:121:b00:43f:e2ff:fe00:1cfb, 2a00:f10:400:2:44a:acff:fe00:33f, 2a00:f10:400:2:488:56ff:fe00:74f, 2a00:f10:400:2:4df:4aff:fe00:1c4, 185.66.250.200, 185.66.250.201, 185.87.184.60, 185.87.185.193, 185.87.186.222 and 185.107.224.99.

Hosts pointing to 2a00:f10:121:a00:470:4ff:fe00:1845, 2a00:f10:121:a00:4f8:84ff:fe00:1846, 2a00:f10:121:b00:43f:e2ff:fe00:1cfb, 2a00:f10:400:2:44a:acff:fe00:33f, 2a00:f10:400:2:488:56ff:fe00:74f, 2a00:f10:400:2:4df:4aff:fe00:1c4, 185.66.250.200, 185.66.250.201, 185.87.184.60, 185.87.185.193, 185.87.186.222 and 185.107.224.99 are fallback.mail.pcextreme.nl and primary.mail.pcextreme.nl.

ronaldkoetzier.com - robtex.com