rescience.com - dns.ninja

`rescience.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9383^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1cc4^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.196^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.147.131^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ivy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c078^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2078^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivy.ns.cloudflare.com`
		A	108.162.192.120^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	172.64.32.120^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	173.245.58.120^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
NS	`kirk.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kirk.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kirk.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kirk.ns.cloudflare.com`
		A	108.162.193.192^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kirk.ns.cloudflare.com`
		A	172.64.33.192^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kirk.ns.cloudflare.com`
		A	173.245.59.192^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kirk.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`clerk_domain_Y29tcG91bmR3aWRlbHliYWdzdG9ja3ByZXZlbnRsZWF0aGVybWluZHJlc2VhcmNodGE`
TXT	`google-site-verification=TMtwhWCMtBkfzA9vrsGMpeamYVZR03BH5zrZ0sltySk`
TXT	`google-site-verification=xql8OHOKy4IZjk79H2vFAmomKFsYkrdK1lAXmBYVKvI`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.196, 172.67.147.131
		IPv6 hints	2606:4700:3030::ac43:9383, 2606:4700:3037::6815:1cc4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=150, name=cloudflare-ech.com
SOA	`ivy.ns.cloudflare.com`dns@cloudflare.com serial=2407010704

`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=1783670112

WOT: SAFE (70/100)

PTR for

77.166.201.216.in-addr.arpa

Previously MX for

www.rescience.com

rescience.com

Subdomains

www.rescience.com

Same first word

rescience.github.io

rescience.org

rescience.com

Similar names

scienceer.com

sciencere.com

icescreen.es

icescreen.com

esceneric.com

icescreen.co.uk

icescreen.be

DNS History

24 records (11 active, 13 former)

●NSivy.ns.cloudflare.com2026-03-05 → 2026-07-10 · 3 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-07-10 08:10:30

●NSkirk.ns.cloudflare.com2026-03-05 → 2026-07-10 · 3 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-07-10 08:10:30

○NSns1.gcrusher.com2007-12-01 → 2007-12-01 · 3 obs

● 2007-12-01 23:19:06
○ 2015-05-31 22:09:58
○ 2026-07-10 08:10:30

○NSns1.undeveloped.com2019-05-02 → 2019-05-02 · 4 obs

○ 2017-02-13 11:25:46
● 2019-05-02 18:26:50
○ 2026-03-05 15:43:26
○ 2026-07-10 08:10:30

○NSns2.gcrusher.com2007-12-01 → 2007-12-01 · 3 obs

● 2007-12-01 23:19:06
○ 2015-05-31 22:09:58
○ 2026-07-10 08:10:30

○NSns2.undeveloped.com2019-05-02 → 2019-05-02 · 4 obs

○ 2017-02-13 11:25:46
● 2019-05-02 18:26:50
○ 2026-03-05 15:43:26
○ 2026-07-10 08:10:30

○NSns3.a2hosting.com2015-05-31 → 2017-02-13 · 5 obs

○ 2007-12-01 23:19:06
● 2015-05-31 22:09:58
● 2017-02-13 11:25:46
○ 2019-05-02 18:26:50
○ 2026-07-10 08:10:30

○NSns4.a2hosting.com2015-05-31 → 2017-02-13 · 5 obs

○ 2007-12-01 23:19:06
● 2015-05-31 22:09:58
● 2017-02-13 11:25:46
○ 2019-05-02 18:26:50
○ 2026-07-10 08:10:30

●MXalt1.aspmx.l.google.com2026-03-05 → 2026-07-10 · 3 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-07-10 08:10:30

●MXalt2.aspmx.l.google.com2026-03-05 → 2026-07-10 · 3 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-07-10 08:10:30

●MXalt3.aspmx.l.google.com2026-03-05 → 2026-07-10 · 3 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-07-10 08:10:30

●MXalt4.aspmx.l.google.com2026-03-05 → 2026-07-10 · 3 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-07-10 08:10:30

●MXaspmx.l.google.com2026-03-05 → 2026-07-10 · 3 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-07-10 08:10:30

○MXmx.rescience.com2019-05-02 → 2019-05-02 · 4 obs

○ 2017-02-13 11:25:46
● 2019-05-02 18:26:50
○ 2026-03-05 15:43:26
○ 2026-07-10 08:10:30

○MXrescience.com2007-12-01 → 2017-02-13 · 4 obs

● 2007-12-01 23:19:06
● 2017-02-13 11:25:46
○ 2019-05-02 18:26:50
○ 2026-07-10 08:10:30

●A104.21.28.1962026-03-05 → 2026-07-10 · 3 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-07-10 08:10:30

●A172.67.147.1312026-03-05 → 2026-07-10 · 3 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-07-10 08:10:30

○A2606:4700:3030::6815:1cc42026-03-05 → 2026-06-17 · 5 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-06-17 22:05:58
○ 2026-07-03 07:34:48
○ 2026-07-10 08:10:30

●A2606:4700:3030::ac43:93832026-03-05 → 2026-07-10 · 3 obs

○ 2019-05-02 18:26:50
● 2026-03-05 15:43:26
● 2026-07-10 08:10:30

●A2606:4700:3037::6815:1cc42026-07-03 → 2026-07-10 · 3 obs

○ 2026-06-17 22:05:58
● 2026-07-03 07:34:48
● 2026-07-10 08:10:30

○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522019-05-02 → 2019-05-02 · 4 obs

○ 2017-02-13 11:25:46
● 2019-05-02 18:26:50
○ 2026-03-05 15:43:26
○ 2026-07-10 08:10:30

○A52.58.78.162019-05-02 → 2019-05-02 · 4 obs

○ 2017-02-13 11:25:46
● 2019-05-02 18:26:50
○ 2026-03-05 15:43:26
○ 2026-07-10 08:10:30

○A72.9.242.1982007-12-01 → 2007-12-01 · 3 obs

● 2007-12-01 23:19:06
○ 2015-05-31 22:09:58
○ 2026-07-10 08:10:30

○A75.98.175.962015-05-31 → 2017-02-13 · 5 obs

○ 2007-12-01 23:19:06
● 2015-05-31 22:09:58
● 2017-02-13 11:25:46
○ 2019-05-02 18:26:50
○ 2026-07-10 08:10:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
rescience.com	ivy.ns.cloudflare.com, kirk.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.120

NS records: ivy.ns.cloudflare.com, kirk.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rescience.com (unsigned zone)

⏱️ Timing

Total: 186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.28.196, 172.67.147.131`
AAAA	2	`2606:4700:3030::ac43:9383, 2606:4700:3037::6815:1cc4`
NS	2	`ivy.ns.cloudflare.com, kirk.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`clerk_domain_Y29tcG91bmR3aWRlbHliYWdzdG9, google-site-verification=TMtwhWCMtBkfzA9...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ivy.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

rescience.com is the parent zone for www.rescience.com.

IP Addresses

rescience.com resolves to four IP addresses: 104.21.28.196, 172.67.147.131, 2606:4700:3030::ac43:9383 and 2606:4700:3037::6815:1cc4.

Additional host names — quotesnew.com, xuexistudy.com, pumpth.xyz and two others — share IP numbers with rescience.com.

Name Servers

The NS records for rescience.com delegate to ivy.ns.cloudflare.com and kirk.ns.cloudflare.com.

rescience.com shares its name server setup with other domains, including caresmith.com, attconnectedspaces.com, rad-espanol.com and two others.

rescience.com partially shares its NS delegation with several other domains, including ifinx.com, techkeys.us, icsim.ro and two others.

These name servers often co-occur with the name servers jessica.ns.cloudflare.com.

Host names with 6 IP numbers:

ivy.ns.cloudflare.com maps to 108.162.192.120, 172.64.32.120, 173.245.58.120 and 3 additional IP addresses.

kirk.ns.cloudflare.com maps to 108.162.193.192, 172.64.33.192, 173.245.59.192 and 3 additional IP addresses.

Mail Servers

rescience.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

rescience.com shares mail servers — at least in part — with other domains, including ns500734.ns500699.ns500734.ns500699.ns500693.ns500734.ns500699.ns500588.ns500588.ns500588.ns500699.ns500699.ns500110.dtrkdll.com, ns500758.ns500759.ns500759.ns500758.ns500759.ns500698.ns500735.ns500698.ns500735.ns500708.ns500708.ns500619.ns500652.ns500576.trackreceptor.com, ns500758.ns500698.ns500759.ns500736.ns500736.ns500698.ns500698.ns500698.ns500708.ns500698.ns500576.ns500686.ns500576.ns500576.trackreceptor.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

The A records for aspmx.l.google.com return 173.194.45.27 and 2607:f8b0:4004:c23::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1b.