`buibsystems.org`

DNSSEC	⚠️ Not signed
A	2a02:4780:1e:9e87:b5c5:a08e:670e:94e^{🇺🇸 IIHOS0012a02:4780:1e::/48 HOSTINGER US}
A	2a02:4780:22:39c7:8980:9c12:a327:81cc^{🇺🇸 IIHOS0012a02:4780:22::/48 HOSTINGER US}
A	195.35.60.4^{🇩🇪 IIHOS001195.35.60.0/24}
A	212.1.212.113^{🇺🇸 IIHOS001212.1.212.0/24}
NS	`ns1.dns-parking.com` ⭐
		A	2400:cb00:2049:1::a29f:18c9^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.201^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dns-parking.com`
NS	`ns2.dns-parking.com`
		A	2400:cb00:2049:1::a29f:192a^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.25.42^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dns-parking.com`
MX	`mx1.hostinger.com` ⭐
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx2.hostinger.com`⁽¹⁰⁾
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
SOA	`ns1.dns-parking.com`dns@hostinger.com 2026-04-02 #1

`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=1775423127

📈 Tranco rank: #885,546

Subdomains

students.buibsystems.org

Same first word

buibsystems.org

DNS History

20 records (8 active, 12 former)

●NSns1.dns-parking.com2026-04-02 → 2026-04-05 · 2 obs

● 2026-04-02 05:33:36
● 2026-04-05 21:39:08

●NSns2.dns-parking.com2026-04-02 → 2026-04-05 · 2 obs

● 2026-04-02 05:33:36
● 2026-04-05 21:39:08

●MXmx1.hostinger.com2026-04-02 → 2026-04-05 · 2 obs

● 2026-04-02 05:33:36
● 2026-04-05 21:39:08

●MXmx2.hostinger.com2026-04-02 → 2026-04-05 · 2 obs

● 2026-04-02 05:33:36
● 2026-04-05 21:39:08

○A147.79.120.2392026-04-02 → 2026-04-02 · 3 obs

● 2026-04-02 05:33:36
○ 2026-04-02 16:34:26
○ 2026-04-05 21:39:08

○A148.135.128.1192026-04-02 → 2026-04-02 · 4 obs

○ 2026-04-02 05:33:36
● 2026-04-02 16:34:26
○ 2026-04-04 23:55:26
○ 2026-04-05 21:39:08

○A148.135.128.1632026-04-02 → 2026-04-02 · 3 obs

● 2026-04-02 05:33:36
○ 2026-04-02 16:34:26
○ 2026-04-05 21:39:08

○A191.101.104.412026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-02 16:34:26
● 2026-04-04 23:55:26
○ 2026-04-05 21:39:06
○ 2026-04-05 21:39:08

●A195.35.60.42026-04-05 → 2026-04-05 · 3 obs

○ 2026-04-04 23:55:26
● 2026-04-05 21:39:06
● 2026-04-05 21:39:08

●A212.1.212.1132026-04-05 → 2026-04-05 · 3 obs

○ 2026-04-04 23:55:26
● 2026-04-05 21:39:06
● 2026-04-05 21:39:08

○A212.1.212.1562026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-02 16:34:26
● 2026-04-04 23:55:26
○ 2026-04-05 21:39:06
○ 2026-04-05 21:39:08

●A2a02:4780:1e:9e87:b5c5:a08e:670e:94e2026-04-05 → 2026-04-05 · 3 obs

○ 2026-04-04 23:55:26
● 2026-04-05 21:39:06
● 2026-04-05 21:39:08

○A2a02:4780:21:6919:4fc4:f999:3307:7ac62026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-02 16:34:26
● 2026-04-04 23:55:26
○ 2026-04-05 21:39:06
○ 2026-04-05 21:39:08

●A2a02:4780:22:39c7:8980:9c12:a327:81cc2026-04-05 → 2026-04-05 · 3 obs

○ 2026-04-04 23:55:26
● 2026-04-05 21:39:06
● 2026-04-05 21:39:08

○A2a02:4780:22:96c6:f43b:e4bc:290f:3e412026-04-04 → 2026-04-04 · 4 obs

○ 2026-04-02 16:34:26
● 2026-04-04 23:55:26
○ 2026-04-05 21:39:06
○ 2026-04-05 21:39:08

○A2a02:4780:4e:a0d3:9f09:3c0d:a95a:db7a2026-04-02 → 2026-04-02 · 3 obs

● 2026-04-02 05:33:36
○ 2026-04-02 16:34:26
○ 2026-04-05 21:39:08

○A2a02:4780:4e:b79e:f552:8263:1a60:5e7e2026-04-02 → 2026-04-02 · 4 obs

○ 2026-04-02 05:33:36
● 2026-04-02 16:34:26
○ 2026-04-04 23:55:26
○ 2026-04-05 21:39:08

○A2a02:4780:50:4c1a:cb57:573:8b7:4ef22026-04-02 → 2026-04-02 · 3 obs

● 2026-04-02 05:33:36
○ 2026-04-02 16:34:26
○ 2026-04-05 21:39:08

○A2a02:4780:50:58ea:e9c3:902c:67f0:e44f2026-04-02 → 2026-04-02 · 4 obs

○ 2026-04-02 05:33:36
● 2026-04-02 16:34:26
○ 2026-04-04 23:55:26
○ 2026-04-05 21:39:08

○A92.112.198.2412026-04-02 → 2026-04-02 · 4 obs

○ 2026-04-02 05:33:36
● 2026-04-02 16:34:26
○ 2026-04-04 23:55:26
○ 2026-04-05 21:39:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
buibsystems.org	ns2.dns-parking.com, ns1.dns-parking.com	-

✅ Authoritative Response

Server:162.159.24.201

NS records: ns2.dns-parking.com, ns1.dns-parking.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buibsystems.org (unsigned zone)

⏱️ Timing

Total: 498ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`191.101.104.102, 212.1.212.247`
AAAA	2	`2a02:4780:22:33e5:af92:7b58:1567:d395, 2a02:4780:1e:2baf:6d9c:5bd3:5a31:d218`
NS	2	`ns1.dns-parking.com, ns2.dns-parking.com`
MX	2	`mx1.hostinger.com (pri: 5), mx2.hostinger.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.mail.hostinger.com ~`
SOA	1	`ns1.dns-parking.com dns.hostinger.com`

Analysis

Hierarchy

The parent of students.buibsystems.org is buibsystems.org.

IP Addresses

buibsystems.org maps to four IP numbers: 2a02:4780:1e:9e87:b5c5:a08e:670e:94e, 2a02:4780:22:39c7:8980:9c12:a327:81cc, 195.35.60.4 and 212.1.212.113.

Other host names, for instance carsera.app, hungrito.live.cdn.hstgr.net, t-uv.com, butterflyweddings.cz and plc4less.com share IP numbers with buibsystems.org.

Name Servers

Two name servers ns1.dns-parking.com and ns2.dns-parking.com handle delegation for buibsystems.org.

buibsystems.org uses the same name server setup as other domains, for example renanluna.com, taskbest.com, sandmedium.blog, elaineenterprises.net and qnhmpw.com.

Host names with two IP numbers:

ns1.dns-parking.com points to: 2400:cb00:2049:1::a29f:18c9 and 162.159.24.201

ns2.dns-parking.com points to: 2400:cb00:2049:1::a29f:192a and 162.159.25.42

Mail Servers

buibsystems.org is handled by two mail servers: mx1.hostinger.com and mx2.hostinger.com.

buibsystems.org has the same mail server setup as other domains, including excelrange.com, nszsd.hr, sofiamedeiros.com, bethisday.org and schoolmanagementsystem.pro.

buibsystems.org shares some mail servers with other domains, for example corpe.io, tecnicaintl.com and valorem.ae.

Host names with two IPs

mx1.hostinger.com points to: 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

mx2.hostinger.com points to: 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

Host names that point to 2606:4700:90:0:c1f8:f874:2386:b61f: mx1.hostinger.com and mx2.hostinger.com.

Host names that point to 172.65.182.103: mx1.hostinger.com and mx2.hostinger.com.

buibsystems.org - robtex.com

buibsystems.org

org

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`buibsystems.org`

`org`