`u4s.net`

DNSSEC	⚠️ Not signed
A	104.247.81.99^{🇨🇦 TEAMINTERNET-CA-AS104.247.80.0/22 Proxy Registration for Team Internet by Next Dimension}
NS	`ns1.parkingcrew.net` ⭐
		A	13.248.158.159^{🇺🇸 Amazon13.248.144.0/20}
			PTR	`a94f3aae71d6f0705.awsglobalaccelerator.com`
NS	`ns2.parkingcrew.net`
		A	76.223.21.9^{🇺🇸 Amazon76.223.16.0/20}
			PTR	`a94f3aae71d6f0705.awsglobalaccelerator.com`
MX	`mail.h-email.net` ⭐
		A	5.75.171.74^{🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC}
			PTR	`mail.h-email.net`
		A	5.161.98.212^{🇺🇸 HETZNER-CLOUD2-AS5.161.98.0/24}
			PTR	`mail.h-email.net`
		A	5.161.194.135^{🇺🇸 HETZNER-CLOUD2-AS5.161.194.0/24}
			PTR	`static.135.194.161.5.clients.your-server.de`
		A	49.13.4.90^{🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC}
			PTR	`static.90.4.13.49.clients.your-server.de`
		A	91.107.214.206^{🇩🇪 Hetzner91.107.128.0/17 HETZNER-DC}
			PTR	`static.206.214.107.91.clients.your-server.de`
		A	162.55.164.116^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
			PTR	`static.116.164.55.162.clients.your-server.de`
		A	165.227.156.49^{🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean}
			PTR	`mail3.h-email.net`
		A	165.227.159.144^{🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean}
			PTR	`mail2.h-email.net`
		A	167.235.143.33^{🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC}
			PTR	`mail.h-email.net`
		A	178.62.199.248^{🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean}
			PTR	`mail.h-email.net`
TXT	`v=spf1 ip6:fd1b:212c:a5f9::/48 -all`
SOA	`ns1.parkingcrew.net`hostmaster@u4s.net serial=1785347204

`net`

	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=1785385042

Same first word

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4us.at

s4u.dk

4us.vg

DNS History

14 records (4 active, 10 former)

○NSn3108.ns.yunjiasu.com2017-10-15 → 2017-10-15 · 4 obs

○ 2015-12-10 17:07:50
● 2017-10-15 08:16:22
○ 2026-07-01 10:32:36
○ 2026-07-30 04:51:34

○NSn583.ns.yunjiasu.com2017-10-15 → 2017-10-15 · 4 obs

○ 2015-12-10 17:07:50
● 2017-10-15 08:16:22
○ 2026-07-01 10:32:36
○ 2026-07-30 04:51:34

●NSns1.parkingcrew.net2026-07-28 → 2026-07-30 · 3 obs

○ 2026-07-01 10:32:36
● 2026-07-28 07:33:06
● 2026-07-30 04:51:34

○NSns11.xincache.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 23:11:26
○ 2015-09-30 04:24:40
○ 2026-07-30 04:51:34

○NSns12.xincache.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 23:11:26
○ 2015-09-30 04:24:40
○ 2026-07-30 04:51:34

○NSns19.xincache.com2015-09-30 → 2015-12-10 · 5 obs

○ 2015-05-22 23:11:26
● 2015-09-30 04:24:40
● 2015-12-10 17:07:50
○ 2017-10-15 08:16:22
○ 2026-07-30 04:51:34

●NSns2.parkingcrew.net2026-07-28 → 2026-07-30 · 3 obs

○ 2026-07-01 10:32:36
● 2026-07-28 07:33:06
● 2026-07-30 04:51:34

○NSns20.xincache.com2015-09-30 → 2015-12-10 · 5 obs

○ 2015-05-22 23:11:26
● 2015-09-30 04:24:40
● 2015-12-10 17:07:50
○ 2017-10-15 08:16:22
○ 2026-07-30 04:51:34

●MXmail.h-email.net2026-07-30 → 2026-07-30 · 3 obs

○ 2026-07-01 10:32:36
● 2026-07-30 04:51:32
● 2026-07-30 04:51:34

○MXmail.skrimple.com2016-03-31 → 2016-03-31 · 3 obs

● 2016-03-31 16:04:56
○ 2026-07-01 10:32:36
○ 2026-07-30 04:51:34

●A104.247.81.992026-07-28 → 2026-07-30 · 3 obs

○ 2026-07-01 10:32:36
● 2026-07-28 07:33:06
● 2026-07-30 04:51:34

○A104.31.190.862017-10-15 → 2017-10-15 · 4 obs

○ 2015-12-10 17:07:50
● 2017-10-15 08:16:22
○ 2026-07-01 10:32:36
○ 2026-07-30 04:51:34

○A104.31.191.862017-10-15 → 2017-10-15 · 4 obs

○ 2015-12-10 17:07:50
● 2017-10-15 08:16:22
○ 2026-07-01 10:32:36
○ 2026-07-30 04:51:34

○A204.12.239.282015-05-22 → 2015-12-10 · 4 obs

● 2015-05-22 23:11:26
● 2015-12-10 17:07:50
○ 2017-10-15 08:16:22
○ 2026-07-30 04:51:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	f.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net...	-
u4s.net	ns1.parkingcrew.net, ns2.parkingcrew.net	4 records

✅ Authoritative Response

Server:13.248.158.159

NS records: ns1.parkingcrew.net, ns2.parkingcrew.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u4s.net (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.247.81.99`
NS	2	`ns1.parkingcrew.net, ns2.parkingcrew.net`
MX	1	`mail.h-email.net (pri: 5)`
TXT	1	`v=spf1 ip6:fd1b:212c:a5f9::/48 -all`
SOA	1	`ns1.parkingcrew.net hostmaster.u4s.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.parkingcrew.net, ns1.parkingcrew.net, ns2.parkingcrew.net...)

Analysis

IP Addresses

u4s.net resolves to one IP address: 104.247.81.99.

kus.ro, banshee.hjp.ro, edify.cx and two other host names share IP numbers with u4s.net.

Name Servers

u4s.net has two authoritative name servers — ns1.parkingcrew.net and ns2.parkingcrew.net.

u4s.net uses the same name servers as several other domains — among them pajaczki.pl, www.leifgoodwin.co.uk, mx4.statusvia.com and two more.

The name servers for u4s.net are partially shared with other domains like static-15.176.96.14-tataidc.co.in, static-225.15.96.14-tataidc.co.in and sagepub.com.https.sci-hub.tw

ns1.parkingcrew.net and ns2.parkingcrew.net each resolve to one IP number: ns1.parkingcrew.net points to 13.248.158.159 and ns2.parkingcrew.net points to 76.223.21.9.

Mail Servers

Mail for u4s.net is handled by a single mail server, mail.h-email.net.

u4s.net uses an identical mail server configuration to several other domains — among them pisaday.org, amnetcorp.com, jean-monnet.net and two more.

mail.h-email.net resolves to 10 IP addresses — 5.75.171.74, 5.161.98.212, 5.161.194.135 and 7 others.

u4s.net - robtex.com

u4s.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`u4s.net`

`net`