`astrosciencechallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4cd4^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:c93e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.212^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.201.62^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`julian.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c35e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`julian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:235e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`julian.ns.cloudflare.com`
		A	108.162.195.94^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
		A	162.159.44.94^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
		A	172.64.35.94^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
NS	`magdalena.ns.cloudflare.com`
		A	2606:4700:50::a29f:2608^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magdalena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c208^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`magdalena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2208^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`magdalena.ns.cloudflare.com`
		A	108.162.194.8^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magdalena.ns.cloudflare.com`
		A	162.159.38.8^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magdalena.ns.cloudflare.com`
		A	172.64.34.8^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`magdalena.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.76.212, 172.67.201.62
		IPv6	2606:4700:3030::6815:4cd4, 2606:4700:3033::ac43:c93e
SOA	`julian.ns.cloudflare.com`dns@cloudflare.com serial=2398935325

`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=1771291435

Previously MX for

astrosciencechallenge.com

Same first word

astrosciencechallenge.com

DNS History

12 records (6 active, 6 former)

●NSjulian.ns.cloudflare.com2026-02-28 → 2026-03-23 · 3 obs

○ 2017-09-11 23:47:08
● 2026-02-28 18:21:48
● 2026-03-23 11:50:48

●NSmagdalena.ns.cloudflare.com2026-02-28 → 2026-03-23 · 3 obs

○ 2017-09-11 23:47:08
● 2026-02-28 18:21:48
● 2026-03-23 11:50:48

○NSns1.3v0.net2016-12-16 → 2017-09-11 · 4 obs

● 2016-12-16 19:44:26
● 2017-09-11 23:47:08
○ 2026-02-28 18:21:48
○ 2026-03-23 11:50:48

○NSns2.3v0.net2016-12-16 → 2017-09-11 · 4 obs

● 2016-12-16 19:44:26
● 2017-09-11 23:47:08
○ 2026-02-28 18:21:48
○ 2026-03-23 11:50:48

○NSns3.3v0.net2016-12-16 → 2017-09-11 · 4 obs

● 2016-12-16 19:44:26
● 2017-09-11 23:47:08
○ 2026-02-28 18:21:48
○ 2026-03-23 11:50:48

○NSns4.3v0.net2016-12-16 → 2017-09-11 · 4 obs

● 2016-12-16 19:44:26
● 2017-09-11 23:47:08
○ 2026-02-28 18:21:48
○ 2026-03-23 11:50:48

○MXastrosciencechallenge.com2016-12-16 → 2017-09-11 · 4 obs

● 2016-12-16 19:44:26
● 2017-09-11 23:47:08
○ 2026-02-28 18:21:48
○ 2026-03-23 11:50:48

●A104.21.76.2122026-02-28 → 2026-03-23 · 3 obs

○ 2017-09-11 23:47:08
● 2026-02-28 18:21:48
● 2026-03-23 11:50:48

●A172.67.201.622026-02-28 → 2026-03-23 · 3 obs

○ 2017-09-11 23:47:08
● 2026-02-28 18:21:48
● 2026-03-23 11:50:48

○A185.11.240.1932016-12-16 → 2017-09-11 · 4 obs

● 2016-12-16 19:44:26
● 2017-09-11 23:47:08
○ 2026-02-28 18:21:48
○ 2026-03-23 11:50:48

●A2606:4700:3030::6815:4cd42026-02-28 → 2026-03-23 · 3 obs

○ 2017-09-11 23:47:08
● 2026-02-28 18:21:48
● 2026-03-23 11:50:48

●A2606:4700:3033::ac43:c93e2026-02-28 → 2026-03-23 · 3 obs

○ 2017-09-11 23:47:08
● 2026-02-28 18:21:48
● 2026-03-23 11:50:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...	-
astrosciencechallenge.com	magdalena.ns.cloudflare.com, julian.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.94

NS records: magdalena.ns.cloudflare.com, julian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for astrosciencechallenge.com (unsigned zone)

⏱️ Timing

Total: 105ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.201.62, 104.21.76.212`
AAAA	2	`2606:4700:3033::ac43:c93e, 2606:4700:3030::6815:4cd4`
NS	2	`julian.ns.cloudflare.com, magdalena.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`julian.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (magdalena.ns.cloudflare.com, magdalena.ns.cloudflare.com, magdalena.ns.cloudflare.com...)

Analysis

IP Addresses

astrosciencechallenge.com resolves to four IPs: 2606:4700:3030::6815:4cd4, 2606:4700:3033::ac43:c93e, 104.21.76.212 and 172.67.201.62.

Other host names such as bn-on.com, guangtai.net.cn, breezeeasy.com, join88ku.com and runningwife.com.cdn.cloudflare.net share IP numbers with astrosciencechallenge.com.

Name Servers

astrosciencechallenge.com is delegated to two name servers: julian.ns.cloudflare.com and magdalena.ns.cloudflare.com.

astrosciencechallenge.com uses the same name server setup as other domains, including scvle.com, cdkeylabs.com, foodsmartbase.com, kamubet.net and jempol33.com.

At least part of the name servers for astrosciencechallenge.com are shared with other domains, for instance yghu.cn, zidc8.cn, 888nen.com, tesezuhorindustries.digital and cordialplace.com.

These name servers are often used together with jason.ns.cloudflare.com, sharon.ns.cloudflare.com and noah.ns.cloudflare.com.

Host names with six IP numbers:

julian.ns.cloudflare.com points to: 2606:4700:58::a29f:2c5e, 2803:f800:50::6ca2:c35e, 2a06:98c1:50::ac40:235e, 108.162.195.94, 162.159.44.94 and 172.64.35.94.

magdalena.ns.cloudflare.com points to: 2606:4700:50::a29f:2608, 2803:f800:50::6ca2:c208, 2a06:98c1:50::ac40:2208, 108.162.194.8, 162.159.38.8 and 172.64.34.8.

astrosciencechallenge.com - robtex.com