science-server.com - dns.ninja

`science-server.com`

DNSSEC	⚠️ Not signed
A	112.78.112.100^{🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www1790.sakura.ne.jp`
NS	`ns1.science-server.com` ⚠️ Not in zone NS records
		A	133.242.228.147^{🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
NS	`ns1.value-domain.com`
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.value-domain.com`
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns4.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns5.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`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=1785127217

WOT: SAFE (1/100)

Previously NS for

science-server.com

MX for

science-server.com

Subdomains

ns1.science-server.com

Same first word

science-server.com

Similar names

encre-services.fr

screen-service.com

DNS History

12 records (7 active, 5 former)

●NSns1.science-server.com2015-07-24 → 2026-07-27 · 2 obs

● 2015-07-24 19:08:24
● 2026-07-27 04:47:24

●NSns1.value-domain.com2026-02-25 → 2026-07-27 · 3 obs

○ 2016-06-22 18:48:06
● 2026-02-25 18:24:22
● 2026-07-27 04:47:24

○NSns2.science-server.com2015-07-24 → 2016-06-22 · 4 obs

● 2015-07-24 19:08:24
● 2016-06-22 18:48:06
○ 2026-02-25 18:24:22
○ 2026-07-27 04:47:24

●NSns2.value-domain.com2026-02-25 → 2026-07-27 · 3 obs

○ 2016-06-22 18:48:06
● 2026-02-25 18:24:22
● 2026-07-27 04:47:24

●NSns3.value-domain.com2026-02-25 → 2026-07-27 · 3 obs

○ 2016-06-22 18:48:06
● 2026-02-25 18:24:22
● 2026-07-27 04:47:24

●NSns4.value-domain.com2026-02-25 → 2026-07-27 · 3 obs

○ 2016-06-22 18:48:06
● 2026-02-25 18:24:22
● 2026-07-27 04:47:24

●NSns5.value-domain.com2026-02-25 → 2026-07-27 · 3 obs

○ 2016-06-22 18:48:06
● 2026-02-25 18:24:22
● 2026-07-27 04:47:24

○NSscience-server.com2015-07-24 → 2016-06-22 · 4 obs

● 2015-07-24 19:08:24
● 2016-06-22 18:48:06
○ 2026-02-25 18:24:22
○ 2026-07-27 04:47:24

○MXmail1.science-server.com2015-07-24 → 2016-06-22 · 4 obs

● 2015-07-24 19:08:24
● 2016-06-22 18:48:06
○ 2026-02-25 18:24:22
○ 2026-07-27 04:47:24

○MXscience-server.com2026-02-25 → 2026-05-22 · 6 obs

○ 2016-06-22 18:48:06
● 2026-02-25 18:24:22
● 2026-05-11 19:09:22
○ 2026-05-14 02:46:38
● 2026-05-22 22:30:02
○ 2026-07-27 04:47:24

●A112.78.112.1002026-03-28 → 2026-07-27 · 10 obs

○ 2026-02-25 18:24:22
● 2026-03-28 06:19:42
● 2026-04-05 00:01:24
○ 2026-04-09 22:30:12
● 2026-05-01 20:44:50
● 2026-05-09 01:23:34
○ 2026-05-11 19:09:22
○ 2026-05-14 02:46:38
● 2026-05-22 22:30:02
● 2026-07-27 04:47:24

○A219.117.213.2182015-07-24 → 2016-06-22 · 4 obs

● 2015-07-24 19:08:24
● 2016-06-22 18:48:06
○ 2026-02-25 18:24:22
○ 2026-07-27 04:47:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net...	-
science-server.com	ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com...	6 records

✅ Authoritative Response

Server:172.64.53.3

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com, ns1.science-server.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for science-server.com (unsigned zone)

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.78.112.100`
NS	2	`ns2.value-domain.com, ns1.value-domain.com`
MX	1	`science-server.com (pri: 10)`
SOA	1	`ns1.value-domain.com hostmaster.science-`

📌 Glue Records Collected

Total: 6

In-bailiwick: 1 (ns1.science-server.com)

Out-of-bailiwick: 5 (ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com...)

Analysis

Hierarchy

science-server.com is the parent zone for ns1.science-server.com.

Mail Server Role

science-server.com acts as its own mail server.

IP Addresses

science-server.com points to a single IP number: 112.78.112.100.

Additional host names — pcip.jp, mail.dogo-yamanote.com, www1790.sakura.ne.jp and two others — share IP numbers with science-server.com.

Name Servers

science-server.com is served by 6 authoritative name servers — among them ns1.science-server.com, ns1.value-domain.com, ns2.value-domain.com and 3 others.

science-server.com partially shares its NS delegation with several other domains, including jishin-saigai.net, v005.net, akakura.net and two others.

In DNS configurations, these name servers often share authority with ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com and 3 other name servers.

Host names pointing to a single IP address:

The hostname ns1.science-server.com resolves to 133.242.228.147.

The hostname ns1.value-domain.com resolves to 172.64.52.38.

The hostname ns2.value-domain.com resolves to 172.64.53.3.

The hostname ns3.value-domain.com resolves to 172.64.52.38.

The hostname ns4.value-domain.com resolves to 172.64.53.3.

The hostname ns5.value-domain.com resolves to 172.64.52.38.

ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com are host names that all point to 172.64.52.38.

ns2.value-domain.com along with ns4.value-domain.com each resolve to 172.64.53.3 IP addresses.