shell4u.com - dns.ninja

`shell4u.com`

DNSSEC	⚠️ Not signed
A	89.187.158.184^{🇨🇿 COOLHOUSING-AS89.187.158.0/24 Network of Coolhousing}
		PTR	`02.alb.services.unitycloudware.net`
NS	`01.dns.services.unitycloudware.net` ⭐
		A	2a03:b0c0:1:e0::2d6:5001^{🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean}
			PTR	`anubis2.srv.unitycloudware.net`
		A	209.97.137.1^{🇬🇧 DIGITALOCEAN209.97.128.0/20 DigitalOcean}
			PTR	`anubis2.srv.unitycloudware.net`
NS	`02.dns.services.unitycloudware.net`
		A	2604:a880:cad:d0::c06:f001^{🇨🇦 DIGITALOCEAN2604:a880:cad::/48 DigitalOcean}
			PTR	`electra2.srv.unitycloudware.net`
		A	159.89.122.93^{🇨🇦 DIGITALOCEAN159.89.112.0/20 DigitalOcean}
			PTR	`electra2.srv.unitycloudware.net`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
TXT	`google-site-verification=w0WTRnVLLOVowFpieVxSPT3dzKZ6tu8RkOa7m90VUBM`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`01.dns.services.unitycloudware.net`hostmaster@unitycloudware.net 2026-03-08 #4

`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=1786545939

Subdomains

mail.shell4u.com

www.shell4u.com

Same first word

shell4u.com

DNS History

14 records (4 active, 10 former)

●NS01.dns.services.unitycloudware.net2026-02-22 → 2026-08-12 · 3 obs

○ 2017-01-09 05:39:08
● 2026-02-22 14:54:16
● 2026-08-12 15:16:14

●NS02.dns.services.unitycloudware.net2026-02-22 → 2026-08-12 · 3 obs

○ 2017-01-09 05:39:08
● 2026-02-22 14:54:16
● 2026-08-12 15:16:14

○NSkronos.shell4u.com2015-07-24 → 2017-01-09 · 4 obs

● 2015-07-24 23:24:10
● 2017-01-09 05:39:08
○ 2026-02-22 14:54:16
○ 2026-08-12 15:16:14

○NSns.shell4u.com2015-07-24 → 2017-01-09 · 4 obs

● 2015-07-24 23:24:10
● 2017-01-09 05:39:08
○ 2026-02-22 14:54:16
○ 2026-08-12 15:16:14

○NSns2.shell4u.com2015-07-24 → 2017-01-09 · 4 obs

● 2015-07-24 23:24:10
● 2017-01-09 05:39:08
○ 2026-02-22 14:54:16
○ 2026-08-12 15:16:14

○NSns3.shell4u.com2015-07-24 → 2017-01-09 · 4 obs

● 2015-07-24 23:24:10
● 2017-01-09 05:39:08
○ 2026-02-22 14:54:16
○ 2026-08-12 15:16:14

○MXalt1.aspmx.l.google.com2026-02-22 → 2026-02-23 · 5 obs

○ 2017-01-09 05:39:08
● 2026-02-22 14:54:16
● 2026-02-23 23:25:10
○ 2026-03-22 04:30:58
○ 2026-08-12 15:16:14

○MXalt2.aspmx.l.google.com2026-02-22 → 2026-02-23 · 5 obs

○ 2017-01-09 05:39:08
● 2026-02-22 14:54:16
● 2026-02-23 23:25:10
○ 2026-03-22 04:30:58
○ 2026-08-12 15:16:14

○MXaspmx.l.google.com2026-02-22 → 2026-02-23 · 5 obs

○ 2017-01-09 05:39:08
● 2026-02-22 14:54:16
● 2026-02-23 23:25:10
○ 2026-03-22 04:30:58
○ 2026-08-12 15:16:14

○MXaspmx2.googlemail.com2026-02-22 → 2026-02-23 · 5 obs

○ 2017-01-09 05:39:08
● 2026-02-22 14:54:16
● 2026-02-23 23:25:10
○ 2026-03-22 04:30:58
○ 2026-08-12 15:16:14

○MXaspmx3.googlemail.com2026-02-22 → 2026-02-23 · 5 obs

○ 2017-01-09 05:39:08
● 2026-02-22 14:54:16
● 2026-02-23 23:25:10
○ 2026-03-22 04:30:58
○ 2026-08-12 15:16:14

○MXmail.shell4u.com2015-07-24 → 2017-01-09 · 4 obs

● 2015-07-24 23:24:10
● 2017-01-09 05:39:08
○ 2026-02-22 14:54:16
○ 2026-08-12 15:16:14

●MXsmtp.google.com2026-03-22 → 2026-08-12 · 3 obs

○ 2026-02-23 23:25:10
● 2026-03-22 04:30:58
● 2026-08-12 15:16:14

●A89.187.158.1842026-02-22 → 2026-08-12 · 2 obs

● 2026-02-22 14:54:16
● 2026-08-12 15:16:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
shell4u.com	01.dns.services.unitycloudware.net, 02.dns.services.unitycloudware.net	-

✅ Authoritative Response

Server:209.97.137.1

NS records: 01.dns.services.unitycloudware.net, 02.dns.services.unitycloudware.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for shell4u.com (unsigned zone)

⏱️ Timing

Total: 379ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.187.158.184`
NS	2	`01.dns.services.unitycloudware.net, 02.dns.services.unitycloudware.net`
MX	1	`SMTP.GOOGLE.com (pri: 10)`
TXT	2	`google-site-verification=w0WTRnVLLOVowFp, v=spf1 include:_spf.google.com ~all`
SOA	1	`01.dns.services.unitycloudware.net hostm`

Analysis

Hierarchy

mail.shell4u.com and www.shell4u.com each fall under shell4u.com as their parent domain.

IP Addresses

shell4u.com resolves to just one IP address, 89.187.158.184.

Two other host names, along with 02.alb.services.unitycloudware.net, nsysware.com and www.hackthebase.com, also share IP numbers with shell4u.com.

Name Servers

shell4u.com is delegated to two name servers: 01.dns.services.unitycloudware.net and 02.dns.services.unitycloudware.net.

shell4u.com shares its NS records with other domains, for example hackthebase.com, 3open.com, ucwlab.com and two others.

01.dns.services.unitycloudware.net and 02.dns.services.unitycloudware.net each resolve to two IP addresses: 01.dns.services.unitycloudware.net points to 209.97.137.1 and 2a03:b0c0:1:e0::2d6:5001, while 02.dns.services.unitycloudware.net points to 159.89.122.93 and 2604:a880:cad:d0::c06:f001.

Mail Servers

The sole mail server for shell4u.com is smtp.google.com.

Among the domains sharing a mail server setup with shell4u.com are managedledger.info, clicheart.com.br, envea-global.com and two others.

There is at least a partial MX overlap between shell4u.com and other domains, including blep.com.br, 312school.com, aecoelhocastro.pt and two others.

These mail servers tend to appear together with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

With 9 IP addresses total, smtp.google.com resolves to 142.250.31.27, 142.251.111.26, 142.251.111.27 and 6 others.