`api.coremobile.co.jp`

CNAME	`d39jnk8610wxun.cloudfront.net`
DNSSEC	⚠️ Not signed
A	2600:9000:250b:a00:8:f79d:d7c0:93a1^{🇺🇸 Amazon2600:9000:250b::/48}
A	2600:9000:250b:1000:8:f79d:d7c0:93a1^{🇺🇸 Amazon2600:9000:250b::/48}
A	2600:9000:250b:4800:8:f79d:d7c0:93a1^{🇺🇸 Amazon2600:9000:250b::/48}
A	2600:9000:250b:4c00:8:f79d:d7c0:93a1^{🇺🇸 Amazon2600:9000:250b::/48}
A	2600:9000:250b:6800:8:f79d:d7c0:93a1^{🇺🇸 Amazon2600:9000:250b::/48}
A	2600:9000:250b:6c00:8:f79d:d7c0:93a1^{🇺🇸 Amazon2600:9000:250b::/48}
A	2600:9000:250b:9200:8:f79d:d7c0:93a1^{🇺🇸 Amazon2600:9000:250b::/48}
A	2600:9000:250b:ba00:8:f79d:d7c0:93a1^{🇺🇸 Amazon2600:9000:250b::/48}
A	18.160.18.4^{🇺🇸 Amazon18.160.16.0/21}
A	18.160.18.16^{🇺🇸 Amazon18.160.16.0/21}
A	18.160.18.68^{🇺🇸 Amazon18.160.16.0/21}
A	18.160.18.121^{🇺🇸 Amazon18.160.16.0/21}
NS	`ns-1325.awsdns-37.org` ⭐
		A	2600:9000:5305:2d00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1325.awsdns-37.org`
		A	205.251.197.45^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1325.awsdns-37.org`
NS	`ns-1600.awsdns-08.co.uk`
		A	2600:9000:5306:4000::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1600.awsdns-08.co.uk`
		A	205.251.198.64^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ip-205-251-198-64.defastlink.net`
NS	`ns-287.awsdns-35.com`
		A	2600:9000:5301:1f00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-287.awsdns-35.com`
		A	205.251.193.31^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-287.awsdns-35.com`
NS	`ns-543.awsdns-03.net`
		A	2600:9000:5302:1f00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-543.awsdns-03.net`
		A	205.251.194.31^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-543.awsdns-03.net`
HTTPS	HTTP/2
SOA	`ns-1325.awsdns-37.org`awsdns-hostmaster@amazon.com serial=1

`coremobile.co.jp`

	DNSSEC	⚠️ Not signed
	A	153.127.255.138^{🇯🇵 KAGOYAJAPAN153.127.224.0/19 KAGOYA Japan Inc.}
	NS	`01.dnsv.jp` ⭐
	NS	`02.dnsv.jp`
	NS	`03.dnsv.jp`
	NS	`04.dnsv.jp`
	MX	`dmail.kagoya.net` ⭐
	TXT	`MS=FF9576E2A64423A3D37396CF18DE61106137F603`
	TXT	`20240904203705F69DC28A9768152563FD9B07C94E06BCF00A74B87B1704AFD57C7C937E427C02`
	TXT	`20240905162312256AACFC3F1966716B73524AFFE213E6DF6A0E142145ECECF7B2DCED5FC1A69C`
	TXT	`20240909124006AD169D49A55E8BF888856B0E5382BACDF6832CDE2309B1D1C40C398E5B246527`
	TXT	`v=spf1 +ip4:52.198.27.114 +ip4:133.18.1.115 include:kagoya.net ~all`
	SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1763705211

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DNS History

1 record (1 active, 0 former)

●CNAMEd39jnk8610wxun.cloudfront.net2026-03-04 → 2026-03-04 · 2 obs

● 2026-03-04 03:28:56
● 2026-03-04 03:28:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
coremobile.co.jp	03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp	7 records

✅ Authoritative Response

Server: 157.7.33.53

NS records: 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coremobile.co.jp (unsigned zone)

⏱️ Timing

Total: 1029ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`d39jnk8610wxun.cloudfront.net`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp...)

Analysis

IP Addresses

api.coremobile.co.jp maps to twelve IP numbers: 2600:9000:250b:a00:8:f79d:d7c0:93a1, 2600:9000:250b:1000:8:f79d:d7c0:93a1, 2600:9000:250b:4800:8:f79d:d7c0:93a1, 2600:9000:250b:4c00:8:f79d:d7c0:93a1, 2600:9000:250b:6800:8:f79d:d7c0:93a1, 2600:9000:250b:6c00:8:f79d:d7c0:93a1, 2600:9000:250b:9200:8:f79d:d7c0:93a1, 2600:9000:250b:ba00:8:f79d:d7c0:93a1, 18.160.18.4, 18.160.18.16, 18.160.18.68 and 18.160.18.121.

other host names include empower-children.jp, 138bin.com, untype.co.kr, mail.cypher-mind-hq.com and d3035l80cqh5w0.cloudfront.net; they share IP numbers with api.coremobile.co.jp.

Name Servers

api.coremobile.co.jp delegates to four name servers: ns-287.awsdns-35.com, ns-543.awsdns-03.net, ns-1325.awsdns-37.org and ns-1600.awsdns-08.co.uk.

api.coremobile.co.jp at least partially shares name servers with other domains, for instance endeavour.amazon.co.jp, mlsjr.com, surveymonkey.sg, d349f9k19k404q.cloudfront.net and giftment.com.ar.

These name servers are commonly used with the name servers ns-1646.awsdns-13.co.uk, ns-52.awsdns-06.com, ns-824.awsdns-39.net, ns-847.awsdns-41.net, ns-1292.awsdns-33.org, ns-1873.awsdns-42.co.uk, ns-301.awsdns-37.com and ns-1838.awsdns-37.co.uk.

Host names with two IP numbers: ns-287.awsdns-35.com points to 2600:9000:5301:1f00::1 and 205.251.193.31; ns-543.awsdns-03.net points to 2600:9000:5302:1f00::1 and 205.251.194.31; ns-1325.awsdns-37.org points to 2600:9000:5305:2d00::1 and 205.251.197.45; ns-1600.awsdns-08.co.uk points to 2600:9000:5306:4000::1 and 205.251.198.64.

api.coremobile.co.jp - robtex.com