`heatflowsystems.nl`

DNSSEC	🔒 Signed (DS record present)
A	2a06:2ec0:1::89^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
		PTR	`web0089.zxcs.nl`
A	185.104.29.26^{🇳🇱 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	`heatflowsystems-nl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`v=spf1 a mx include:spf.protection.outlook.com ip4:185.104.29.26 ip6:2a06:2...`
SOA	`ns.zxcs.nl`hostmaster@heatflowsystems.nl 2026-02-13 #3

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-15 15:00:01 +0000 (EPOCH 1776265201)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-15 #30

Subdomains

www.heatflowsystems.nl

Same first word

heatflowsystems.nl

DNS History

11 records (6 active, 5 former)

○NSdns01.webruimtehosting.nl2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 13:45:06
○ 2026-02-24 13:08:24
○ 2026-04-15 15:39:12

○NSdns02.webruimtehosting.nl2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 13:45:06
○ 2026-02-24 13:08:24
○ 2026-04-15 15:39:12

●NSns.zxcs.be2026-02-24 → 2026-04-15 · 3 obs

○ 2018-05-11 13:45:06
● 2026-02-24 13:08:24
● 2026-04-15 15:39:12

●NSns.zxcs.eu2026-02-24 → 2026-04-15 · 3 obs

○ 2018-05-11 13:45:06
● 2026-02-24 13:08:24
● 2026-04-15 15:39:12

●NSns.zxcs.nl2026-02-24 → 2026-04-15 · 3 obs

○ 2018-05-11 13:45:06
● 2026-02-24 13:08:24
● 2026-04-15 15:39:12

●MXheatflowsystems-nl.mail.protection.outlook.com2026-02-24 → 2026-04-15 · 3 obs

○ 2018-05-11 13:45:06
● 2026-02-24 13:08:24
● 2026-04-15 15:39:12

○MXmail.heatflowsystems.nl2018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 13:45:06
○ 2026-02-24 13:08:24
○ 2026-04-15 15:39:12

●A185.104.29.262026-02-24 → 2026-04-15 · 3 obs

○ 2018-05-11 13:45:06
● 2026-02-24 13:08:24
● 2026-04-15 15:39:12

○A2a01:4f8:c0c:4d2a::22018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 13:45:06
○ 2026-02-24 13:08:24
○ 2026-04-15 15:39:12

●A2a06:2ec0:1::892026-02-24 → 2026-04-15 · 3 obs

○ 2018-05-11 13:45:06
● 2026-02-24 13:08:24
● 2026-04-15 15:39:12

○A94.130.226.1642018-05-11 → 2018-05-11 · 3 obs

● 2018-05-11 13:45:06
○ 2026-02-24 13:08:24
○ 2026-04-15 15:39:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
heatflowsystems.nl	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

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 873ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.104.29.26`
AAAA	1	`2a06:2ec0:1::89`
NS	3	`ns.zxcs.nl, ns.zxcs.eu...`
MX	1	`heatflowsystems-nl.mail.protection.outlo`
TXT	1	`v=spf1 a mx include:spf.protection.outl`
SOA	1	`ns.zxcs.nl hostmaster.heatflowsystems.nl`

Analysis

Hierarchy

The parent of www.heatflowsystems.nl is heatflowsystems.nl.

IP Addresses

Two IP numbers are pointed to by heatflowsystems.nl: 2a06:2ec0:1::89 and 185.104.29.26.

other host names include ticketruil.com, lvdb.com, mail.gettingthingslean.nl, mail.makeitperfect.nl and t-commerce.nl; they share IP numbers with heatflowsystems.nl.

Name Servers

heatflowsystems.nl is delegated to three name servers ns.zxcs.be, ns.zxcs.eu and ns.zxcs.nl.

heatflowsystems.nl at least partially shares name servers with other domains, for instance dequizzer.be, autoheto.nl, molenwijkmaritiem.nl, qualitycards.nl and 1qr.nl.

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

heatflowsystems.nl is handled by a single mail server, heatflowsystems-nl.mail.protection.outlook.com.

Hostname heatflowsystems-nl.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::a, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::9, 52.101.68.15, 52.101.68.27, 52.101.73.1 and 52.101.73.24.

heatflowsystems.nl - robtex.com