`launchschool.org`

DNSSEC	⚠️ Not signed
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
		PTR	`ip-198-49-23-144.defastlink.net`
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns03.domaincontrol.com` ⭐
		A	2603:5:2150::2^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns03.domaincontrol.com`
		A	97.74.101.2^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns03.domaincontrol.com`
NS	`ns04.domaincontrol.com`
		A	2603:5:2250::2^{🇺🇸 GODADDY-DNS2603:5:2250::/44}
			PTR	`ns04.domaincontrol.com`
		A	173.201.69.2^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns04.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
SOA	`ns03.domaincontrol.com`dns@jomax.net 2025-09-11 #0

`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=1771291736

Same first word

launchschool.com

DNS History

14 records (11 active, 3 former)

●NSns03.domaincontrol.com2026-03-10 → 2026-03-10 · 2 obs

○ 2017-06-30 17:51:48
● 2026-03-10 18:32:46

●NSns04.domaincontrol.com2026-03-10 → 2026-03-10 · 2 obs

○ 2017-06-30 17:51:48
● 2026-03-10 18:32:46

○NSns15.domaincontrol.com2015-07-08 → 2017-06-30 · 3 obs

● 2015-07-08 15:26:46
● 2017-06-30 17:51:48
○ 2026-03-10 18:32:46

○NSns16.domaincontrol.com2015-07-08 → 2017-06-30 · 3 obs

● 2015-07-08 15:26:46
● 2017-06-30 17:51:48
○ 2026-03-10 18:32:46

●MXalt1.aspmx.l.google.com2015-07-08 → 2026-03-10 · 2 obs

● 2015-07-08 15:26:46
● 2026-03-10 18:32:46

●MXalt2.aspmx.l.google.com2015-07-08 → 2026-03-10 · 2 obs

● 2015-07-08 15:26:46
● 2026-03-10 18:32:46

●MXalt3.aspmx.l.google.com2015-07-08 → 2026-03-10 · 2 obs

● 2015-07-08 15:26:46
● 2026-03-10 18:32:46

●MXalt4.aspmx.l.google.com2015-07-08 → 2026-03-10 · 2 obs

● 2015-07-08 15:26:46
● 2026-03-10 18:32:46

●MXaspmx.l.google.com2015-07-08 → 2026-03-10 · 2 obs

● 2015-07-08 15:26:46
● 2026-03-10 18:32:46

●A198.185.159.1442026-03-10 → 2026-03-10 · 2 obs

○ 2017-06-30 17:51:48
● 2026-03-10 18:32:46

●A198.185.159.1452026-03-10 → 2026-03-10 · 2 obs

○ 2017-06-30 17:51:48
● 2026-03-10 18:32:46

●A198.49.23.1442026-03-10 → 2026-03-10 · 2 obs

○ 2017-06-30 17:51:48
● 2026-03-10 18:32:46

●A198.49.23.1452026-03-10 → 2026-03-10 · 2 obs

○ 2017-06-30 17:51:48
● 2026-03-10 18:32:46

○A205.178.189.1292015-07-08 → 2017-06-30 · 3 obs

● 2015-07-08 15:26:46
● 2017-06-30 17:51:48
○ 2026-03-10 18:32:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
launchschool.org	ns03.domaincontrol.com, ns04.domaincontrol.com	-

✅ Authoritative Response

Server: 173.201.69.2

NS records: ns03.domaincontrol.com, ns04.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for launchschool.org (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.185.159.144, 198.185.159.145...`
NS	2	`ns03.domaincontrol.com, ns04.domaincontrol.com`
MX	5	`alt3.aspmx.l.google.com (pri: 10), aspmx.l.google.com (pri: 1)...`
SOA	1	`ns03.domaincontrol.com dns.jomax.net`

Analysis

IP Addresses

launchschool.org resolves to four IPs: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Other host names such as plcformation.com, roommatches.com, intuitiveemotions.com, biocat.us and aerte.net share IP numbers with launchschool.org.

Name Servers

launchschool.org is delegated to two name servers: ns03.domaincontrol.com and ns04.domaincontrol.com.

launchschool.org uses the same name server setup as other domains, including koreanstudies.eu, jewelsteelware.com, fillbillservice.com, corerv.com and kappelhoff.de.

launchschool.org shares some name servers with other domains, for example ventitechnologies.com.

Host names with two IP numbers:

ns03.domaincontrol.com points to 2603:5:2150::2 and 97.74.101.2.

ns04.domaincontrol.com points to 2603:5:2250::2 and 173.201.69.2.

Mail Servers

launchschool.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

launchschool.org shares at least some mail servers with other domains, for example ns500754.ns500742.ns500742.ns500731.ns500731.ns500742.ns500704.ns500705.ns500671.ns500705.ns500704.ns500705.ns500678.ns500649.ns500649.ns500666.ns500142.lusty(0x736c7574)z.com, ns500758.ns500759.ns500759.ns500758.ns500736.ns500698.ns500735.ns500735.ns500736.ns500698.ns500698.ns500708.ns500576.ns500576.ns500619.ns500576.trackreceptor.com, ns500731.ns500731.ns500754.ns500754.ns500754.ns500731.ns500731.ns500742.ns500705.ns500649.ns500671.ns500666.ns500131.lustychickser.com, ns500698.ns500758.ns500759.ns500758.ns500736.ns500698.ns500736.ns500735.ns500708.ns500698.ns500619.ns500576.ns500619.ns500619.trackreceptor.com and arehp.com.

These mail servers are commonly used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers: aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27; alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26; alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26; alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26; alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.

launchschool.org - robtex.com