`goodworkcoms.co.jp`

DNSSEC	⚠️ Not signed
A	13.115.135.248^{🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix}
		PTR	`gw11.riskmonster.com`
A	157.205.194.160^{🇯🇵 AICS157.205.194.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp}
NS	`fjkdns99.alpha-prm.jp` ⭐
		A	157.205.203.140^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkmst11.alpha-prm.jp`
NS	`fjkdns11.alpha-prm.jp`
		A	157.205.203.136^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkdns11.alpha-prm.jp`
NS	`fjkdns12.alpha-prm.jp`
		A	157.205.160.33^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkdns12.alpha-prm.jp`
NS	`fjkdns13.alpha-prm.jp`
		A	157.205.160.49^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`fjkdns13.alpha-prm.jp`
MX	`mxi.alpha-prm.jp` ⭐
		A	157.205.8.22^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`mxi.alpha-prm.jp`
TXT	`worksmobile.certification.fu47tysjmikdfel8kb.wgovr26kljpeag.eyhlvmhl4`
TXT	`gw11.riskmonster.com`
TXT	`v=spf1 ip4:157.205.194.160/32 ip4:13.115.135.248 include:spf.alpha-prm.jp in...`
SOA	`fjkdns99.alpha-prm.jp`hostmaster@alpha-prm.jp 2024-01-22 #1

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Same first word

goodworkcoms.co.jp

DNS History

12 records (7 active, 5 former)

○NSfjkdns01.alpha-prm.jp2015-07-17 → 2018-07-16 · 3 obs

● 2015-07-17 01:07:42
● 2018-07-16 06:26:46
○ 2026-03-29 17:19:06

○NSfjkdns02.alpha-prm.jp2015-07-17 → 2018-07-16 · 3 obs

● 2015-07-17 01:07:42
● 2018-07-16 06:26:46
○ 2026-03-29 17:19:06

○NSfjkdns03.alpha-prm.jp2015-07-17 → 2018-07-16 · 3 obs

● 2015-07-17 01:07:42
● 2018-07-16 06:26:46
○ 2026-03-29 17:19:06

●NSfjkdns11.alpha-prm.jp2026-03-29 → 2026-03-29 · 2 obs

○ 2018-07-16 06:26:46
● 2026-03-29 17:19:06

●NSfjkdns12.alpha-prm.jp2026-03-29 → 2026-03-29 · 2 obs

○ 2018-07-16 06:26:46
● 2026-03-29 17:19:06

●NSfjkdns13.alpha-prm.jp2026-03-29 → 2026-03-29 · 2 obs

○ 2018-07-16 06:26:46
● 2026-03-29 17:19:06

●NSfjkdns99.alpha-prm.jp2026-03-29 → 2026-03-29 · 2 obs

○ 2018-07-16 06:26:46
● 2026-03-29 17:19:06

○NSfjkmst01.alpha-prm.jp2015-07-17 → 2018-07-16 · 3 obs

● 2015-07-17 01:07:42
● 2018-07-16 06:26:46
○ 2026-03-29 17:19:06

●MXmxi.alpha-prm.jp2015-07-17 → 2026-03-29 · 2 obs

● 2015-07-17 01:07:42
● 2026-03-29 17:19:06

●A13.115.135.2482026-03-29 → 2026-03-29 · 2 obs

○ 2018-07-16 06:26:46
● 2026-03-29 17:19:06

●A157.205.194.1602026-03-29 → 2026-03-29 · 2 obs

○ 2018-07-16 06:26:46
● 2026-03-29 17:19:06

○A157.205.21.612015-07-17 → 2018-07-16 · 3 obs

● 2015-07-17 01:07:42
● 2018-07-16 06:26:46
○ 2026-03-29 17:19:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
goodworkcoms.co.jp	fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp	3 records

✅ Authoritative Response

Server:157.205.203.136

NS records: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 911ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.115.135.248, 157.205.194.160`
NS	3	`fjkdns12.alpha-prm.jp, fjkdns11.alpha-prm.jp...`
MX	1	`mxi.alpha-prm.jp (pri: 100)`
TXT	3	`worksmobile.certification.fu47tysjmikdfe, gw11.riskmonster.com...`
SOA	1	`fjkdns99.alpha-prm.jp hostmaster.alpha-p`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp)

Analysis

IP Addresses

goodworkcoms.co.jp resolves to two IP numbers: 13.115.135.248 and 157.205.194.160.

Other host names, for instance, zonesystems.co.jp and gw11.riskmonster.com share IP numbers with goodworkcoms.co.jp.

Name Servers

goodworkcoms.co.jp is delegated to four name servers: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.

goodworkcoms.co.jp shares some name servers with other domains, for example assort.co.jp, ogaplan.jp, hisho-law.jp, ripple.co.jp and matano.co.jp.