`s-itoc.jp`

DNSSEC	⚠️ Not signed
A	13.159.232.170^{🇺🇸 Amazon13.158.0.0/15 EC2 NRT prefix}
		PTR	`ec2-13-159-232-170.ap-northeast-1.compute.amazonaws.com`
NS	`ns-616.awsdns-13.net` ⭐
		A	2600:9000:5302:6800::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-616.awsdns-13.net`
		A	205.251.194.104^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-616.awsdns-13.net`
NS	`ns-1374.awsdns-43.org`
		A	2600:9000:5305:5e00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1374.awsdns-43.org`
		A	205.251.197.94^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1374.awsdns-43.org`
NS	`ns-1869.awsdns-41.co.uk`
		A	2600:9000:5307:4d00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1869.awsdns-41.co.uk`
		A	205.251.199.77^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1869.awsdns-41.co.uk`
NS	`ns-432.awsdns-54.com`
		A	2600:9000:5301:b000::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-432.awsdns-54.com`
		A	205.251.193.176^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-432.awsdns-54.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 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	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		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	`aspmx3.googlemail.com`⁽¹⁰⁾
		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`
TXT	`google-site-verification=OW5Tvqij2m4cb_YKGilpykmtnvXW9PTRXxy0_OPkciM`
TXT	`v=spf1 include:_spf.google.com include:spf.tm-21.com ~all`
SOA	`ns-616.awsdns-13.net`awsdns-hostmaster@amazon.com serial=1

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1783998903

Same first word

s-itoc.jp

Similar names

soi-tc.fr

cos-it.de

it-cos.com

iso-tc.net

i-cost.net

sit-co.net

tis-co.jp

iso-tc.info

tis-co.net

i-cost.com

tis-co.com

tsi-co.jp

sti-co.com

its-co.cz

tis-co.nl

iot-sc.com

soc-it.com

tocs-i.com

iot-cs.com

sti-co.org

soi-tc.com

i-cost.de

sti-co.net

iso-tc.biz

sit-co.com

its-co.ru

iso-tc.com

so-ict.nl

it-soc.com

sit-co.ru

iso-tc.org

osc-it.com

sc-ito.com

cost-i.com

tis-co.eu

cs-iot.com

its-co.com

ocs-it.com

cos-it.com

DNS History

13 records (10 active, 3 former)

●NSns-1374.awsdns-43.org2026-05-20 → 2026-07-14 · 3 obs

○ 2017-06-10 23:49:06
● 2026-05-20 16:54:02
● 2026-07-14 04:02:16

●NSns-1869.awsdns-41.co.uk2026-05-20 → 2026-07-14 · 3 obs

○ 2017-06-10 23:49:06
● 2026-05-20 16:54:02
● 2026-07-14 04:02:16

●NSns-432.awsdns-54.com2026-05-20 → 2026-07-14 · 3 obs

○ 2017-06-10 23:49:06
● 2026-05-20 16:54:02
● 2026-07-14 04:02:16

●NSns-616.awsdns-13.net2026-05-20 → 2026-07-14 · 3 obs

○ 2017-06-10 23:49:06
● 2026-05-20 16:54:02
● 2026-07-14 04:02:16

○NSns1.sanmedia.or.jp2017-06-10 → 2017-06-10 · 3 obs

● 2017-06-10 23:49:06
○ 2026-05-20 16:54:02
○ 2026-07-14 04:02:16

○NSns2.sanmedia.or.jp2017-06-10 → 2017-06-10 · 3 obs

● 2017-06-10 23:49:06
○ 2026-05-20 16:54:02
○ 2026-07-14 04:02:16

●MXalt1.aspmx.l.google.com2017-06-10 → 2026-07-14 · 2 obs

● 2017-06-10 23:49:06
● 2026-07-14 04:02:16

●MXalt2.aspmx.l.google.com2017-06-10 → 2026-07-14 · 2 obs

● 2017-06-10 23:49:06
● 2026-07-14 04:02:16

●MXaspmx.l.google.com2017-06-10 → 2026-07-14 · 2 obs

● 2017-06-10 23:49:06
● 2026-07-14 04:02:16

●MXaspmx2.googlemail.com2017-06-10 → 2026-07-14 · 2 obs

● 2017-06-10 23:49:06
● 2026-07-14 04:02:16

●MXaspmx3.googlemail.com2017-06-10 → 2026-07-14 · 2 obs

● 2017-06-10 23:49:06
● 2026-07-14 04:02:16

●A13.159.232.1702026-05-20 → 2026-07-14 · 3 obs

○ 2017-06-10 23:49:06
● 2026-05-20 16:54:02
● 2026-07-14 04:02:16

○A54.65.222.1402017-06-10 → 2017-06-10 · 3 obs

● 2017-06-10 23:49:06
○ 2026-05-20 16:54:02
○ 2026-07-14 04:02:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
s-itoc.jp	ns-616.awsdns-13.net, ns-1374.awsdns-43.org, ns-1869.awsdns-41.co.uk, ns-432.awsdns-54.com	-

✅ Authoritative Response

Server:205.251.197.94

NS records: ns-616.awsdns-13.net, ns-1374.awsdns-43.org, ns-1869.awsdns-41.co.uk, ns-432.awsdns-54.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for s-itoc.jp (unsigned zone)

⏱️ Timing

Total: 1124ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.159.232.170`
NS	4	`ns-1374.awsdns-43.org, ns-1869.awsdns-41.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	2	`google-site-verification=OW5Tvqij2m4cb_Y, v=spf1 include:_spf.google.com include:s`
SOA	1	`ns-616.awsdns-13.net awsdns-hostmaster.a`

Analysis

IP Addresses

s-itoc.jp resolves to just one IP address, 13.159.232.170.

Further host names like joho-shimane.or.jp and tm-21.co.jp overlap in IP numbers with s-itoc.jp.

Name Servers

The NS records for s-itoc.jp point to four name servers: ns-432.awsdns-54.com, ns-616.awsdns-13.net, ns-1374.awsdns-43.org and ns-1869.awsdns-41.co.uk.

There is at least partial name server overlap between s-itoc.jp and other domains — d3lnljfdsrhpe2.cloudfront.net, myhopestory.org, expresodesamparados.com and two more among them.

The name servers ns-428.awsdns-53.com, ns-722.awsdns-26.net and ns-1043.awsdns-02.org are often found in combination with these name servers.

All four hostnames — ns-432.awsdns-54.com, ns-616.awsdns-13.net, ns-1374.awsdns-43.org and ns-1869.awsdns-41.co.uk — resolve to two IP numbers apiece: ns-432.awsdns-54.com to 205.251.193.176 and 2600:9000:5301:b000::1; ns-616.awsdns-13.net to 205.251.194.104 and 2600:9000:5302:6800::1; ns-1374.awsdns-43.org to 205.251.197.94 and 2600:9000:5305:5e00::1; ns-1869.awsdns-41.co.uk to 205.251.199.77 and 2600:9000:5307:4d00::1.