`ubuntulinuxguide.com`

DNSSEC	⚠️ Not signed
A	38.173.193.40^{🇺🇸 PEGTECHINC38.173.192.0/19 PEG TECH INC}
NS	`a12.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b12.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1765804488

`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=1775024597

WOT: SAFE (50/100)

Same first word

ubuntulinuxguide.com

DNS History

14 records (5 active, 9 former)

●NSa.share-dns.com2026-04-01 → 2026-04-01 · 2 obs

○ 2017-06-11 18:25:50
● 2026-04-01 06:41:00

●NSa12.share-dns.com2026-04-01 → 2026-04-01 · 2 obs

○ 2017-06-11 18:25:50
● 2026-04-01 06:41:00

●NSb.share-dns.net2026-04-01 → 2026-04-01 · 2 obs

○ 2017-06-11 18:25:50
● 2026-04-01 06:41:00

●NSb12.share-dns.net2026-04-01 → 2026-04-01 · 2 obs

○ 2017-06-11 18:25:50
● 2026-04-01 06:41:00

○NSns1.bluehost.com2015-06-07 → 2015-10-27 · 4 obs

● 2015-06-07 05:51:16
● 2015-10-27 10:02:40
○ 2016-11-19 19:39:10
○ 2026-04-01 06:41:00

○NSns1.parkingcrew.net2017-06-11 → 2017-06-11 · 3 obs

○ 2016-11-19 19:39:10
● 2017-06-11 18:25:50
○ 2026-04-01 06:41:00

○NSns2.bluehost.com2015-06-07 → 2015-10-27 · 4 obs

● 2015-06-07 05:51:16
● 2015-10-27 10:02:40
○ 2016-11-19 19:39:10
○ 2026-04-01 06:41:00

○NSns2.parkingcrew.net2017-06-11 → 2017-06-11 · 3 obs

○ 2016-11-19 19:39:10
● 2017-06-11 18:25:50
○ 2026-04-01 06:41:00

○MXmail.h-email.net2017-06-11 → 2017-06-11 · 3 obs

○ 2016-11-19 19:39:10
● 2017-06-11 18:25:50
○ 2026-04-01 06:41:00

○MXmail.ubuntulinuxguide.com2015-06-07 → 2015-10-27 · 4 obs

● 2015-06-07 05:51:16
● 2015-10-27 10:02:40
○ 2016-11-19 19:39:10
○ 2026-04-01 06:41:00

○A185.53.178.112017-06-11 → 2017-06-11 · 3 obs

○ 2016-11-19 19:39:10
● 2017-06-11 18:25:50
○ 2026-04-01 06:41:00

●A38.173.193.402026-04-01 → 2026-04-01 · 2 obs

○ 2017-06-11 18:25:50
● 2026-04-01 06:41:00

○A69.195.124.2372015-06-07 → 2015-10-27 · 4 obs

● 2015-06-07 05:51:16
● 2015-10-27 10:02:40
○ 2016-01-01 10:45:42
○ 2026-04-01 06:41:00

○A74.220.199.62016-01-01 → 2016-03-25 · 5 obs

○ 2015-10-27 10:02:40
● 2016-01-01 10:45:42
● 2016-03-25 09:22:02
○ 2016-11-19 19:39:10
○ 2026-04-01 06:41:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...	-
ubuntulinuxguide.com	b12.share-dns.net, a12.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b12.share-dns.net, a12.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ubuntulinuxguide.com (unsigned zone)

⏱️ Timing

Total: 303ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.173.193.40`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a12.share-dns.com)

Analysis

IP Addresses

ubuntulinuxguide.com points to a single IP number: 38.173.193.40.

Other host names, for instance lshxzs.com, shengyuanchina.com, www.biqite.com, biqite.com and 029gqb.com share IP numbers with ubuntulinuxguide.com.

Name Servers

ubuntulinuxguide.com is delegated to four name servers: a12.share-dns.com, a.share-dns.com, b12.share-dns.net and b.share-dns.net.

ubuntulinuxguide.com at least partially shares name servers with other domains, for instance chdskj.com, sgjn.net, jlqhybe.cn, dwyer-cpa.com and kawi8.shop.

These name servers are commonly used together with the name servers a11.share-dns.com, b11.share-dns.net, a9.share-dns.com, b9.share-dns.net, a2.share-dns.com, b2.share-dns.net, a1.share-dns.com, b1.share-dns.net, a10.share-dns.com and b10.share-dns.net.

Host names pointing to 172.64.53.25: a12.share-dns.com and a.share-dns.com.

Host names pointing to 172.64.52.239: b12.share-dns.net and b.share-dns.net.

ubuntulinuxguide.com - robtex.com