hydrocity.com - dns.ninja

`hydrocity.com`

DNSSEC	🔒 Signed (DS record present)
A	2a00:f10:101::af45:223:d32a^{🇳🇱 CLDIN-NL2a00:f10::/29}
		PTR	`wscp.pcextreme.nl`
A	109.72.87.226^{🇳🇱 CLDIN-NL109.72.80.0/20 Your Hosting B.V.}
NS	`ns091.auroradns.eu` ⭐
		A	2a00:f10:402:781:1c00:6ff:fe00:255e^{🇳🇱 CLDIN-NL2a00:f10::/29}
		A	185.95.31.179^{🇳🇱 CLDIN-NL185.95.31.0/24}
			PTR	`ns091.auroradns.eu`
NS	`ns092.auroradns.nl`
		A	2a05:1500:702:0:1c00:96ff:fe00:2f^{🇳🇱 CLDIN-NL2a05:1500::/29}
		A	31.25.98.51^{🇳🇱 CLDIN-NL31.25.96.0/21 PCextreme B.V.}
NS	`ns093.auroradns.info`
		A	2a05:1500:fe00::c3ff:fe08:d01c^{🇳🇱 NL-BIT2a05:1500:fe00::/40}
		A	195.8.208.28^{🇳🇱 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	`ns091.auroradns.eu`admin@auroradns.eu 2019-01-31 #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=1786729299

Same first word

hydrocity.com

DNS History

13 records (7 active, 6 former)

●NSns091.auroradns.eu2026-02-16 → 2026-08-14 · 3 obs

○ 2018-07-22 19:50:44
● 2026-02-16 04:56:14
● 2026-08-14 18:10:16

●NSns092.auroradns.nl2026-02-16 → 2026-08-14 · 3 obs

○ 2018-07-22 19:50:44
● 2026-02-16 04:56:14
● 2026-08-14 18:10:16

●NSns093.auroradns.info2026-02-16 → 2026-08-14 · 3 obs

○ 2018-07-22 19:50:44
● 2026-02-16 04:56:14
● 2026-08-14 18:10:16

○NSv1.pcextreme.nl2015-06-11 → 2018-07-22 · 6 obs

● 2015-06-11 04:34:04
● 2016-03-26 23:06:30
○ 2017-01-18 13:08:42
● 2018-07-22 19:50:44
○ 2026-02-16 04:56:14
○ 2026-08-14 18:10:16

○NSv2.pcextreme.nl2015-06-11 → 2016-03-26 · 4 obs

● 2015-06-11 04:34:04
● 2016-03-26 23:06:30
○ 2017-01-18 13:08:42
○ 2026-08-14 18:10:16

○NSv3.pcextreme.eu2015-06-11 → 2016-03-26 · 4 obs

● 2015-06-11 04:34:04
● 2016-03-26 23:06:30
○ 2017-01-18 13:08:42
○ 2026-08-14 18:10:16

●MXfallback.mail.pcextreme.nl2015-06-11 → 2026-08-14 · 9 obs

● 2015-06-11 04:34:04
● 2016-03-26 23:06:30
○ 2017-01-18 13:08:42
○ 2018-07-22 19:50:44
● 2026-02-16 04:56:14
● 2026-06-05 12:23:16
○ 2026-06-07 04:46:10
● 2026-08-14 18:10:10
● 2026-08-14 18:10:16

●MXprimary.mail.pcextreme.nl2015-06-11 → 2026-08-14 · 9 obs

●A109.72.87.2262026-02-16 → 2026-08-14 · 6 obs

○ 2017-01-18 13:08:42
● 2026-02-16 04:56:14
● 2026-06-05 12:23:16
○ 2026-06-07 04:46:10
● 2026-08-14 18:10:10
● 2026-08-14 18:10:16

○A213.125.4.1302015-06-11 → 2015-06-11 · 3 obs

● 2015-06-11 04:34:04
○ 2015-10-26 12:45:40
○ 2026-08-14 18:10:16

●A2a00:f10:101::af45:223:d32a2026-02-16 → 2026-08-14 · 6 obs

○ 2017-01-18 13:08:42
● 2026-02-16 04:56:14
● 2026-06-05 12:23:16
○ 2026-06-07 04:46:10
● 2026-08-14 18:10:10
● 2026-08-14 18:10:16

○A79.99.131.352015-10-26 → 2016-03-26 · 5 obs

○ 2015-06-11 04:34:04
● 2015-10-26 12:45:40
● 2016-03-26 23:06:30
○ 2017-01-18 13:08:42
○ 2026-08-14 18:10:16

○CNAMEnl-web-p.hydronet.com2018-07-22 → 2026-02-16 · 4 obs

● 2018-07-22 19:50:44
● 2026-02-16 22:14:06
○ 2026-02-18 16:18:02
○ 2026-08-14 18:10:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
hydrocity.com	ns091.auroradns.eu, ns092.auroradns.nl, ns093.auroradns.info	-

✅ Authoritative Response

Server:185.95.31.179

NS records: ns091.auroradns.eu, ns092.auroradns.nl, ns093.auroradns.info

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 846ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.72.87.226`
AAAA	1	`2a00:f10:101::af45:223:d32a`
NS	3	`ns093.auroradns.info, ns092.auroradns.nl...`
MX	2	`fallback.mail.pcextreme.nl (pri: 20), primary.mail.pcextreme.nl (pri: 10)`
TXT	1	`v=spf1 include:_spf4.pcextreme.nl includ`
SOA	1	`ns091.auroradns.eu admin.auroradns.eu`

Analysis

IP Addresses

hydrocity.com points to the IP addresses 109.72.87.226 and 2a00:f10:101::af45:223:d32a

Two other host names, along with mail.superkeukensamsterdam.nl, remote.hmc-nv.com and megekko.net, also share IP numbers with hydrocity.com.

Name Servers

hydrocity.com carries NS records delegating to ns091.auroradns.eu, ns093.auroradns.info and ns092.auroradns.nl.

There is at least partial name server overlap between hydrocity.com and other domains — ddforum.com, invent-ict.nl, ninniach.nl and two more among them.

ns091.auroradns.eu, ns093.auroradns.info and ns092.auroradns.nl are three hostnames that each resolve to a pair of IP addresses: ns091.auroradns.eu to 185.95.31.179 and 2a00:f10:402:781:1c00:6ff:fe00:255e, ns093.auroradns.info to 195.8.208.28 and 2a05:1500:fe00::c3ff:fe08:d01c, and ns092.auroradns.nl to 31.25.98.51 and 2a05:1500:702:0:1c00:96ff:fe00:2f.

Mail Servers

hydrocity.com is served by two mail servers, fallback.mail.pcextreme.nl and primary.mail.pcextreme.nl.

Among the domains sharing a mail server setup with hydrocity.com are groningenchapter.nl, vebos.fr, vierus.nl and two others.

There is at least a partial MX overlap between hydrocity.com and other domains, including huisartsenhetatrium.nl, beter-gezond.nl, jeroendekker.com and two others.

DNS names with 12 IP addresses:

fallback.mail.pcextreme.nl resolves to 185.66.250.200, 185.66.250.201 and 185.87.184.60 among others, with 9 other IP addresses in total.

primary.mail.pcextreme.nl resolves to 185.66.250.200, 185.66.250.201 and 185.87.184.60 among others, with 9 other IP addresses in total.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 2a00:f10:121:a00:470:4ff:fe00:1845 IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 2a00:f10:121:a00:4f8:84ff:fe00:1846 IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 2a00:f10:121:b00:43f:e2ff:fe00:1cfb IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 2a00:f10:400:2:44a:acff:fe00:33f IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 2a00:f10:400:2:488:56ff:fe00:74f IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 2a00:f10:400:2:4df:4aff:fe00:1c4 IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 185.66.250.200 IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 185.66.250.201 IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 185.87.184.60 IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 185.87.185.193 IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 185.87.186.222 IP addresses.

fallback.mail.pcextreme.nl along with primary.mail.pcextreme.nl each resolve to 185.107.224.99 IP addresses.