developer.school - dns.ninja

`developer.school`

DNSSEC	⚠️ Not signed
A	91.195.240.123^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`ns1.dnsowl.com` ⭐
		A	2400:cb00:2049:1::a29f:1a88^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1bad^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.136^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.173^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1a31^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b82^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.49^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.130^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1aea^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b62^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.234^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.98^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.dnsowl.com`hostmaster@dnsowl.com serial=1784577713

`school`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.school` ⭐
	NS	`v0n1.nic.school`
	NS	`v0n2.nic.school`
	NS	`v0n3.nic.school`
	NS	`v2n0.nic.school`
	NS	`v2n1.nic.school`
	SOA	`v0n0.nic.school`hostmaster@donuts.email serial=1784576066

Same first word

developer.fi

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developer.li

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developer.org.uk

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developer.aws

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developer.jp

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developer.net.au

developer.edu.vn

developer.gov.sg

developer.nab

developer.cz

developer.pro

developer.wtf

developer.to

developer.pk

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developer.by

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developer.ml

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Similar names

DNS History

9 records (4 active, 5 former)

●NSns1.dnsowl.com2026-02-14 → 2026-07-20 · 3 obs

○ 2018-01-14 21:13:40
● 2026-02-14 23:01:54
● 2026-07-20 20:06:06

●NSns2.dnsowl.com2026-02-14 → 2026-07-20 · 3 obs

○ 2018-01-14 21:13:40
● 2026-02-14 23:01:54
● 2026-07-20 20:06:06

●NSns3.dnsowl.com2026-02-14 → 2026-07-20 · 3 obs

○ 2018-01-14 21:13:40
● 2026-02-14 23:01:54
● 2026-07-20 20:06:06

○NSns55.domaincontrol.com2016-12-10 → 2018-01-14 · 4 obs

● 2016-12-10 20:53:46
● 2018-01-14 21:13:40
○ 2026-02-14 23:01:54
○ 2026-07-20 20:06:06

○NSns56.domaincontrol.com2016-12-10 → 2018-01-14 · 4 obs

● 2016-12-10 20:53:46
● 2018-01-14 21:13:40
○ 2026-02-14 23:01:54
○ 2026-07-20 20:06:06

○MXmailstore1.secureserver.net2016-12-10 → 2026-02-14 · 4 obs

● 2016-12-10 20:53:46
● 2026-02-14 23:01:54
○ 2026-03-02 22:14:12
○ 2026-07-20 20:06:06

○MXsmtp.secureserver.net2016-12-10 → 2026-02-14 · 4 obs

● 2016-12-10 20:53:46
● 2026-02-14 23:01:54
○ 2026-03-02 22:14:12
○ 2026-07-20 20:06:06

○A184.168.221.552016-12-10 → 2018-01-14 · 4 obs

● 2016-12-10 20:53:46
● 2018-01-14 21:13:40
○ 2026-02-14 23:01:54
○ 2026-07-20 20:06:06

●A91.195.240.1232026-02-14 → 2026-07-20 · 3 obs

○ 2018-01-14 21:13:40
● 2026-02-14 23:01:54
● 2026-07-20 20:06:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
school	v2n0.nic.school, v0n2.nic.school, v0n0.nic.school, v0n3.nic.school...	12 records
developer.school	ns3.dnsowl.com, ns1.dnsowl.com, ns2.dnsowl.com	-

✅ Authoritative Response

Server:162.159.26.234

NS records: ns3.dnsowl.com, ns1.dnsowl.com, ns2.dnsowl.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developer.school (unsigned zone)

⏱️ Timing

Total: 388ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.195.240.123`
NS	3	`ns1.dnsowl.com, ns2.dnsowl.com...`
SOA	1	`ns1.dnsowl.com hostmaster.dnsowl.com`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n0.nic.school, v2n0.nic.school, v0n2.nic.school...)

Analysis

IP Addresses

developer.school has exactly one IP address — 91.195.240.123.

doughmains.net, solomarb.com, calcio-live.com plus two other host names have IP numbers in common with developer.school.

Name Servers

developer.school is delegated to three name servers: ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.

At least some of developer.school's name servers are shared with other domains, for example brispop.com, trentisaac.com, homlaoficjalny.com and two more.

Each of the hosts ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com resolves to four IP addresses: ns1.dnsowl.com points to 162.159.26.136, 162.159.27.173, 2400:cb00:2049:1::a29f:1a88 and 2400:cb00:2049:1::a29f:1bad; ns2.dnsowl.com points to 162.159.26.49, 162.159.27.130, 2400:cb00:2049:1::a29f:1a31 and 2400:cb00:2049:1::a29f:1b82; and ns3.dnsowl.com points to 162.159.26.234, 162.159.27.98, 2400:cb00:2049:1::a29f:1aea and 2400:cb00:2049:1::a29f:1b62.