sciencebase.com - dns.ninja

`sciencebase.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:1284^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b5dc^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.132^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.181.220^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mira.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3acc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mira.ns.cloudflare.com`
		A	108.162.192.204^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	172.64.32.204^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	173.245.58.204^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
NS	`porter.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cf3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`porter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`porter.ns.cloudflare.com`
		A	108.162.195.243^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
		A	162.159.44.243^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
		A	172.64.35.243^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`porter.ns.cloudflare.com`
MX	`mail.sciencebase.com` ⭐
		A	192.185.70.159^{🇺🇸 Jacksonville192.185.64.0/21 Google}
			PTR	`192-185-70-159.unifiedlayer.com`
TXT	`v=spf1 +ip4:192.185.4.70 +ip4:184.173.239.119 +a +mx +include:websitewelcome....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.18.132, 172.67.181.220
		IPv6 hints	2606:4700:3032::6815:1284, 2606:4700:3037::ac43:b5dc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=51, name=cloudflare-ech.com
SOA	`mira.ns.cloudflare.com`dns@cloudflare.com serial=2403864958

`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=1783155906

rank #377442 globally
rank #160471 in the tld
WOT: SAFE (88/100)

Previously MX for

sciencebase.com

www.sciencebase.com

Subdomains

www.sciencebase.com

blog.sciencebase.com

cpcontacts.sciencebase.com

mail.sciencebase.com

Same first word

sciencebase.com

sciencebase.gov

sciencebase.ru

sciencebase.org

sciencebase.cn

DNS History

15 records (7 active, 8 former)

●NSmira.ns.cloudflare.com2026-02-18 → 2026-07-04 · 3 obs

○ 2017-06-21 19:51:14
● 2026-02-18 13:27:44
● 2026-07-04 09:22:20

○NSns77.hostgator.com2015-08-08 → 2017-06-21 · 4 obs

● 2015-08-08 06:12:50
● 2017-06-21 19:51:14
○ 2026-02-18 13:27:44
○ 2026-07-04 09:22:20

○NSns78.hostgator.com2015-08-08 → 2017-06-21 · 4 obs

● 2015-08-08 06:12:50
● 2017-06-21 19:51:14
○ 2026-02-18 13:27:44
○ 2026-07-04 09:22:20

○NSns8117.hostgator.com2015-08-08 → 2017-06-21 · 4 obs

● 2015-08-08 06:12:50
● 2017-06-21 19:51:14
○ 2026-02-18 13:27:44
○ 2026-07-04 09:22:20

●NSporter.ns.cloudflare.com2026-02-18 → 2026-07-04 · 3 obs

○ 2017-06-21 19:51:14
● 2026-02-18 13:27:44
● 2026-07-04 09:22:20

●MXmail.sciencebase.com2026-02-18 → 2026-07-04 · 3 obs

○ 2017-06-21 19:51:14
● 2026-02-18 13:27:44
● 2026-07-04 09:22:20

○MXsciencebase.com2015-08-08 → 2017-06-21 · 4 obs

● 2015-08-08 06:12:50
● 2017-06-21 19:51:14
○ 2026-02-18 13:27:44
○ 2026-07-04 09:22:20

●A104.21.18.1322026-02-18 → 2026-07-04 · 3 obs

○ 2017-06-21 19:51:14
● 2026-02-18 13:27:44
● 2026-07-04 09:22:20

●A172.67.181.2202026-02-18 → 2026-07-04 · 3 obs

○ 2017-06-21 19:51:14
● 2026-02-18 13:27:44
● 2026-07-04 09:22:20

○A192.185.16.1382015-08-08 → 2016-06-22 · 4 obs

● 2015-08-08 06:12:50
● 2016-06-22 09:57:34
○ 2016-10-09 08:52:06
○ 2026-07-04 09:22:20

○A192.185.70.1592016-10-09 → 2017-06-21 · 5 obs

○ 2016-06-22 09:57:34
● 2016-10-09 08:52:06
● 2017-06-21 19:51:14
○ 2026-02-18 13:27:44
○ 2026-07-04 09:22:20

●A2606:4700:3032::6815:12842026-06-29 → 2026-07-04 · 3 obs

○ 2026-02-18 13:27:44
● 2026-06-29 00:28:24
● 2026-07-04 09:22:20

○A2606:4700:3034::ac43:b5dc2026-02-18 → 2026-02-18 · 4 obs

○ 2017-06-21 19:51:14
● 2026-02-18 13:27:44
○ 2026-06-29 00:28:24
○ 2026-07-04 09:22:20

○A2606:4700:3037::6815:12842026-02-18 → 2026-02-18 · 4 obs

○ 2017-06-21 19:51:14
● 2026-02-18 13:27:44
○ 2026-06-29 00:28:24
○ 2026-07-04 09:22:20

●A2606:4700:3037::ac43:b5dc2026-06-29 → 2026-07-04 · 3 obs

○ 2026-02-18 13:27:44
● 2026-06-29 00:28:24
● 2026-07-04 09:22:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...	-
sciencebase.com	mira.ns.cloudflare.com, porter.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.243

NS records: mira.ns.cloudflare.com, porter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sciencebase.com (unsigned zone)

⏱️ Timing

Total: 252ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.181.220, 104.21.18.132`
AAAA	2	`2606:4700:3037::ac43:b5dc, 2606:4700:3032::6815:1284`
NS	2	`mira.ns.cloudflare.com, porter.ns.cloudflare.com`
MX	1	`mail.sciencebase.com (pri: 0)`
TXT	1	`v=spf1 +ip4:192.185.4.70 +ip4:184.173.23`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mira.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

sciencebase.com has four subdomains: www.sciencebase.com, blog.sciencebase.com, cpcontacts.sciencebase.com and mail.sciencebase.com.

IP Addresses

sciencebase.com directs to four IP numbers, which are 104.21.18.132, 172.67.181.220, 2606:4700:3032::6815:1284 and 2606:4700:3037::ac43:b5dc.

Additional host names — www.provasiimoveis.com.br, (0x787878)-999.net, garuda76.tax and two others — share IP numbers with sciencebase.com.

Name Servers

sciencebase.com is delegated to two name servers: mira.ns.cloudflare.com and porter.ns.cloudflare.com.

sciencebase.com shares its name server setup with other domains, including mandiri-investasi.co.id, uoctor.com, maitriam.com and two others.

There is at least partial name server overlap between sciencebase.com and other domains — webelongintech.com, qmkqfp.com, apportdogs.com and two more among them.

Host names with 6 IP numbers:

mira.ns.cloudflare.com resolves to 108.162.192.204, 172.64.32.204, 173.245.58.204 and 3 other IP addresses.

porter.ns.cloudflare.com resolves to 108.162.195.243, 162.159.44.243, 172.64.35.243 and 3 other IP addresses.

Mail Servers

sciencebase.com has one mail server: mail.sciencebase.com.

mail.sciencebase.com resolves to a single IP number: 192.185.70.159.