`sciencebyjason.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:f17^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a10c^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.23^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.12^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dora.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dora.ns.cloudflare.com`
		A	108.162.192.108^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	172.64.32.108^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
		A	173.245.58.108^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dora.ns.cloudflare.com`
NS	`ram.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ram.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ram.ns.cloudflare.com`
		A	108.162.193.225^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	172.64.33.225^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	173.245.59.225^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.23, 172.67.161.12
		IPv6 hints	2606:4700:3033::6815:f17, 2606:4700:3034::ac43:a10c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=151, name=cloudflare-ech.com
SOA	`dora.ns.cloudflare.com`dns@cloudflare.com serial=2399468927

`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=1777546876

Same first word

sciencebyjason.com

DNS History

15 records (6 active, 9 former)

●NSdora.ns.cloudflare.com2016-12-19 → 2026-04-30 · 2 obs

● 2016-12-19 16:04:06
● 2026-04-30 11:27:10

●NSram.ns.cloudflare.com2016-12-19 → 2026-04-30 · 2 obs

● 2016-12-19 16:04:06
● 2026-04-30 11:27:10

○MXmx.mail2.name-services.com2016-12-19 → 2017-08-28 · 4 obs

● 2016-12-19 16:04:06
● 2017-08-28 02:23:28
○ 2026-02-20 00:43:44
○ 2026-04-30 11:27:10

●A104.21.15.232026-02-20 → 2026-04-30 · 6 obs

○ 2017-08-28 02:23:28
● 2026-02-20 00:43:44
● 2026-03-04 22:31:16
○ 2026-03-07 04:52:26
● 2026-03-08 05:46:22
● 2026-04-30 11:27:10

○A104.28.26.102016-12-19 → 2017-08-28 · 4 obs

● 2016-12-19 16:04:06
● 2017-08-28 02:23:28
○ 2026-02-20 00:43:44
○ 2026-04-30 11:27:10

○A104.28.27.102016-12-19 → 2017-08-28 · 4 obs

● 2016-12-19 16:04:06
● 2017-08-28 02:23:28
○ 2026-02-20 00:43:44
○ 2026-04-30 11:27:10

●A172.67.161.122026-02-20 → 2026-04-30 · 6 obs

○ 2017-08-28 02:23:28
● 2026-02-20 00:43:44
● 2026-03-04 22:31:16
○ 2026-03-07 04:52:26
● 2026-03-08 05:46:22
● 2026-04-30 11:27:10

○A188.114.96.02026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-04 22:31:16
● 2026-03-07 04:52:26
○ 2026-03-08 05:46:22
○ 2026-04-30 11:27:10

○A188.114.97.02026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-04 22:31:16
● 2026-03-07 04:52:26
○ 2026-03-08 05:46:22
○ 2026-04-30 11:27:10

○A2400:cb00:2048:1::681c:1a0a2016-12-19 → 2017-08-28 · 4 obs

● 2016-12-19 16:04:06
● 2017-08-28 02:23:28
○ 2026-02-20 00:43:44
○ 2026-04-30 11:27:10

○A2400:cb00:2048:1::681c:1b0a2016-12-19 → 2017-08-28 · 4 obs

● 2016-12-19 16:04:06
● 2017-08-28 02:23:28
○ 2026-02-20 00:43:44
○ 2026-04-30 11:27:10

●A2606:4700:3033::6815:f172026-02-20 → 2026-04-30 · 6 obs

○ 2017-08-28 02:23:28
● 2026-02-20 00:43:44
● 2026-03-04 22:31:16
○ 2026-03-07 04:52:26
● 2026-03-08 05:46:22
● 2026-04-30 11:27:10

●A2606:4700:3034::ac43:a10c2026-02-20 → 2026-04-30 · 6 obs

○ 2017-08-28 02:23:28
● 2026-02-20 00:43:44
● 2026-03-04 22:31:16
○ 2026-03-07 04:52:26
● 2026-03-08 05:46:22
● 2026-04-30 11:27:10

○A2a06:98c1:3120::2026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-04 22:31:16
● 2026-03-07 04:52:26
○ 2026-03-08 05:46:22
○ 2026-04-30 11:27:10

○A2a06:98c1:3121::2026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-04 22:31:16
● 2026-03-07 04:52:26
○ 2026-03-08 05:46:22
○ 2026-04-30 11:27:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sciencebyjason.com	dora.ns.cloudflare.com, ram.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.225

NS records: dora.ns.cloudflare.com, ram.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sciencebyjason.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.161.12, 104.21.15.23`
AAAA	2	`2606:4700:3033::6815:f17, 2606:4700:3034::ac43:a10c`
NS	2	`dora.ns.cloudflare.com, ram.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dora.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sciencebyjason.com points to four IP numbers: 2606:4700:3033::6815:f17, 2606:4700:3034::ac43:a10c, 104.21.15.23 and 172.67.161.12.

Other host names, for instance cqcmkj.com, sz12348.com, easywithcode.tech, dynic.2otea.com.cdn.cloudflare.net and www.rpgcash.net share IP numbers with sciencebyjason.com.

Name Servers

sciencebyjason.com is delegated to two name servers: dora.ns.cloudflare.com and ram.ns.cloudflare.com.

sciencebyjason.com uses the same name server setup as other domains, for instance sistemautodownline.com, progressmedia.ca, ezeebike.ca, logists.by and reporter-ua.ru.

sciencebyjason.com shares name servers with other domains at least partially, for instance bosswin168a.com, orthobiotics.uk, kaviyo.com, codelabs.in and dj759.com.

these name servers are often used together with the name servers ivan.ns.cloudflare.com.

Host names with six IP numbers: dora.ns.cloudflare.com points to 2606:4700:50::adf5:3a6c, 2803:f800:50::6ca2:c06c, 2a06:98c1:50::ac40:206c, 108.162.192.108, 172.64.32.108 and 173.245.58.108; ram.ns.cloudflare.com points to 2606:4700:58::adf5:3be1, 2803:f800:50::6ca2:c1e1, 2a06:98c1:50::ac40:21e1, 108.162.193.225, 172.64.33.225 and 173.245.59.225.

sciencebyjason.com - robtex.com