csusers.org - dns.ninja

`csusers.org`

DNSSEC	🔒 Signed (DS record present)
A	74.50.50.154^{🇺🇸 TierPoint74.50.48.0/20 RimuHosting}
		PTR	`newweb.us.cyberscience.com`
NS	`gate.uk.cyberscience.com` ⭐
		A	2001:8b0:ff84:1::1^{🇬🇧 AS207122001:8b0::/32 AAISP}
		A	81.2.73.194^{🇬🇧 AS2071281.2.64.0/18 AAISP}
NS	`ns0.portfast.net`
		A	2001:67c:1b8:53::2^{🇬🇧 PORTFAST2001:67c:1b8::/48 Portfast Ltd v6}
			PTR	`ns0.portfast.net`
		A	193.108.199.130^{🇬🇧 PORTFAST193.108.199.0/24 Portfast Ltd}
			PTR	`ns0.portfast.net`
NS	`ns1.portfast.net`
		A	2001:4b10:100:8::53^{🇬🇧 BOGONS-ASN2001:4b10::/32 Bogons IPv6 Route}
			PTR	`ns1.portfast.net`
		A	85.158.46.77^{🇬🇧 BOGONS-ASN85.158.40.0/21 Bogons Ltd}
			PTR	`ns1.portfast.net`
NS	`ns2.portfast.net.uk`
		A	2a03:9800:0:52::2^{🇬🇧 PORTFAST2a03:9800::/29 Portfast Ltd IPv6}
			PTR	`ns2.portfast.net.uk`
		A	213.5.89.46^{🇬🇧 PORTFAST213.5.88.0/21 Portfast Ltd}
			PTR	`ns2.portfast.net.uk`
MX	`gate.uk.cyberscience.com` ⭐
		A	2001:8b0:ff84:1::1^{🇬🇧 AS207122001:8b0::/32 AAISP}
		A	81.2.73.194^{🇬🇧 AS2071281.2.64.0/18 AAISP}
SOA	`gate.uk.cyberscience.com`hostmaster@cyberscience.com 2026-07-24 #2

`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=1785243588

Same first word

csusers.eu

csusers.net

csusers.org

csusers.com

Similar names

cresuss.fr

sucress.com

scsuser.com

DNS History

12 records (6 active, 6 former)

○NSgate.au.cyberscience.com2015-08-10 → 2017-03-13 · 4 obs

● 2015-08-10 03:56:12
● 2017-03-13 19:55:12
○ 2026-03-23 05:14:40
○ 2026-07-28 13:12:34

●NSgate.uk.cyberscience.com2015-08-10 → 2026-07-28 · 2 obs

● 2015-08-10 03:56:12
● 2026-07-28 13:12:34

○NSns0.gradwell.com2015-08-10 → 2016-03-07 · 4 obs

● 2015-08-10 03:56:12
● 2016-03-07 11:34:44
○ 2016-06-26 06:54:30
○ 2026-07-28 13:12:34

●NSns0.portfast.net2016-06-26 → 2026-07-28 · 3 obs

○ 2016-03-07 11:34:44
● 2016-06-26 06:54:30
● 2026-07-28 13:12:34

○NSns1.gradwell.net2015-08-10 → 2016-03-07 · 4 obs

● 2015-08-10 03:56:12
● 2016-03-07 11:34:44
○ 2016-06-26 06:54:30
○ 2026-07-28 13:12:34

●NSns1.portfast.net2016-06-26 → 2026-07-28 · 3 obs

○ 2016-03-07 11:34:44
● 2016-06-26 06:54:30
● 2026-07-28 13:12:34

○NSns2.gradwell.net2015-08-10 → 2016-03-07 · 4 obs

● 2015-08-10 03:56:12
● 2016-03-07 11:34:44
○ 2016-06-26 06:54:30
○ 2026-07-28 13:12:34

●NSns2.portfast.net.uk2016-06-26 → 2026-07-28 · 3 obs

○ 2016-03-07 11:34:44
● 2016-06-26 06:54:30
● 2026-07-28 13:12:34

●MXgate.uk.cyberscience.com2015-08-10 → 2026-07-28 · 2 obs

● 2015-08-10 03:56:12
● 2026-07-28 13:12:34

○MXmxbackup.gradwell.net2015-08-10 → 2017-03-13 · 4 obs

● 2015-08-10 03:56:12
● 2017-03-13 19:55:12
○ 2026-03-23 05:14:40
○ 2026-07-28 13:12:34

●A74.50.50.1542026-03-23 → 2026-07-28 · 3 obs

○ 2017-03-13 19:55:12
● 2026-03-23 05:14:40
● 2026-07-28 13:12:34

○A81.187.134.1542015-08-10 → 2017-03-13 · 4 obs

● 2015-08-10 03:56:12
● 2017-03-13 19:55:12
○ 2026-03-23 05:14:40
○ 2026-07-28 13:12:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org	-
csusers.org	ns0.portfast.net, ns1.portfast.net, ns2.portfast.net.uk, gate.uk.cyberscience.com	-

✅ Authoritative Response

Server:81.2.73.194

NS records: ns0.portfast.net, ns1.portfast.net, ns2.portfast.net.uk, gate.uk.cyberscience.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 4725ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.50.50.154`
NS	4	`ns0.portfast.net, gate.uk.cyberscience.com...`
MX	1	`gate.uk.cyberscience.com (pri: 10)`
SOA	1	`gate.uk.cyberscience.com hostmaster.cybe`

Analysis

IP Addresses

csusers.org resolves to one IP address: 74.50.50.154.

qdirector.biz, csusers.com, qdirector.org and two other host names share IP numbers with csusers.org.

Name Servers

The authoritative name servers for csusers.org are ns0.portfast.net, ns1.portfast.net, gate.uk.cyberscience.com and ns2.portfast.net.uk.

csusers.org has at least partial name server overlap with other domains, such as sowood.org.uk, an0key.net, johnbladen.co.uk and two others.

It is common to find these name servers alongside the name servers dns0.xhosttellnet.co.uk, dns1.xhosttellnet.co.uk, aws1.eigenlabs.com and two others.

ns0.portfast.net, ns1.portfast.net, gate.uk.cyberscience.com and ns2.portfast.net.uk all point to exactly two IP numbers each: ns0.portfast.net → 193.108.199.130 and 2001:67c:1b8:53::2; ns1.portfast.net → 85.158.46.77 and 2001:4b10:100:8::53; gate.uk.cyberscience.com → 81.2.73.194 and 2001:8b0:ff84:1::1; ns2.portfast.net.uk → 213.5.89.46 and 2a03:9800:0:52::2.

Mail Servers

Mail for csusers.org is handled by a single mail server, gate.uk.cyberscience.com.

csusers.org uses an identical mail server configuration to several other domains — among them cyberscience.us, intelligent-healthcare.com, cyberchart.com and two more.

At least some of csusers.org's mail servers are shared with other domains, among them au.cyberscience.com, us.cyberscience.com, uk.cyberscience.com and cyberscience.com.

This set of mail servers commonly appears together with the mail servers mail.us.cyberscience.com.