`esbc.science`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:194e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:dff9^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.78^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.249^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clint.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clint.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clint.ns.cloudflare.com`
		A	108.162.193.90^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	172.64.33.90^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	173.245.59.90^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
NS	`savanna.ns.cloudflare.com`
		A	2606:4700:50::a29f:2688^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`savanna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c288^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`savanna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2288^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`savanna.ns.cloudflare.com`
		A	108.162.194.136^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`savanna.ns.cloudflare.com`
		A	162.159.38.136^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`savanna.ns.cloudflare.com`
		A	172.64.34.136^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`savanna.ns.cloudflare.com`
TXT	`google-site-verification=HVvAtzfJTsvEPVp9ZX2sxi6L-Dv15Ee018LtrhGt57U`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.78, 172.67.223.249
		IPv6 hints	2606:4700:3031::6815:194e, 2606:4700:3037::ac43:dff9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOA	`clint.ns.cloudflare.com`dns@cloudflare.com serial=2409679043

`science`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nic.science` ⭐
	NS	`a.nic.science`
	NS	`b.nic.science`
	NS	`c.nic.science`
	NS	`ns2.dns.nic.science`
	NS	`ns3.dns.nic.science`
	SOA	`ns1.dns.nic.science`admin@tldns.godaddy serial=1784399437

rank #718613 globally
rank #43 in the tld

Same first word

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DNS History

12 records (6 active, 6 former)

●NSclint.ns.cloudflare.com2026-06-17 → 2026-07-18 · 2 obs

● 2026-06-17 18:29:10
● 2026-07-18 19:32:06

●NSsavanna.ns.cloudflare.com2026-06-17 → 2026-07-18 · 2 obs

● 2026-06-17 18:29:10
● 2026-07-18 19:32:06

●A104.21.25.782026-06-19 → 2026-07-18 · 3 obs

○ 2026-06-17 18:29:10
● 2026-06-19 08:52:58
● 2026-07-18 19:32:06

●A172.67.223.2492026-06-19 → 2026-07-18 · 3 obs

○ 2026-06-17 18:29:10
● 2026-06-19 08:52:58
● 2026-07-18 19:32:06

○A188.114.96.02026-06-17 → 2026-06-17 · 3 obs

● 2026-06-17 18:29:10
○ 2026-06-19 08:52:58
○ 2026-07-18 19:32:06

○A188.114.97.02026-06-17 → 2026-06-17 · 3 obs

● 2026-06-17 18:29:10
○ 2026-06-19 08:52:58
○ 2026-07-18 19:32:06

●A2606:4700:3031::6815:194e2026-07-09 → 2026-07-18 · 3 obs

○ 2026-06-19 08:52:58
● 2026-07-09 20:24:16
● 2026-07-18 19:32:06

○A2606:4700:3033::ac43:dff92026-06-19 → 2026-06-19 · 4 obs

○ 2026-06-17 18:29:10
● 2026-06-19 08:52:58
○ 2026-07-09 20:24:16
○ 2026-07-18 19:32:06

○A2606:4700:3036::6815:194e2026-06-19 → 2026-06-19 · 4 obs

○ 2026-06-17 18:29:10
● 2026-06-19 08:52:58
○ 2026-07-09 20:24:16
○ 2026-07-18 19:32:06

●A2606:4700:3037::ac43:dff92026-07-09 → 2026-07-18 · 3 obs

○ 2026-06-19 08:52:58
● 2026-07-09 20:24:16
● 2026-07-18 19:32:06

○A2a06:98c1:3120::42026-06-17 → 2026-06-17 · 3 obs

● 2026-06-17 18:29:10
○ 2026-06-19 08:52:58
○ 2026-07-18 19:32:06

○A2a06:98c1:3121::42026-06-17 → 2026-06-17 · 3 obs

● 2026-06-17 18:29:10
○ 2026-06-19 08:52:58
○ 2026-07-18 19:32:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
science	a.nic.science, b.nic.science, c.nic.science, ns1.dns.nic.science...	12 records
esbc.science	clint.ns.cloudflare.com, savanna.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.90

NS records: clint.ns.cloudflare.com, savanna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for esbc.science (unsigned zone)

⏱️ Timing

Total: 707ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.78, 172.67.223.249`
AAAA	2	`2606:4700:3031::6815:194e, 2606:4700:3037::ac43:dff9`
NS	2	`clint.ns.cloudflare.com, savanna.ns.cloudflare.com`
TXT	1	`google-site-verification=HVvAtzfJTsvEPVp`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clint.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.science, b.nic.science, c.nic.science...)

Analysis

IP Addresses

esbc.science directs to four IP numbers, which are 104.21.25.78, 172.67.223.249, 2606:4700:3031::6815:194e and 2606:4700:3037::ac43:dff9.

Additional host names — chanpingkwong.com, xpskin.net, xgyim.com and two others — share IP numbers with esbc.science.

Name Servers

esbc.science uses two name servers for its delegation: clint.ns.cloudflare.com and savanna.ns.cloudflare.com.

esbc.science shares its name server setup with other domains, including koldyr.com, educaids.org, kinetics.bike and two others.

The name servers of esbc.science overlap at least partially with those of other domains — among them websavetime.com, bbw(0x706f726e).cc, 248ysb.com and two more.

These name servers commonly appear in combination with the name servers wally.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname clint.ns.cloudflare.com directs to 108.162.193.90, 172.64.33.90 and 173.245.59.90 along with 3 other IP addresses.

Hostname savanna.ns.cloudflare.com directs to 108.162.194.136, 162.159.38.136 and 172.64.34.136 along with 3 other IP addresses.

esbc.science - robtex.com

esbc.science

science

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`esbc.science`

`science`