`challenge-lab.com`

DNSSEC	⚠️ Not signed
A	160.251.148.243^{🇯🇵 GMOOSK-NET160.251.148.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`www1113.onamae.ne.jp`
NS	`ns-rs1.gmoserver.jp` ⭐
		A	157.7.32.87^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`ns-rs1.gmoserver.jp`
NS	`ns-rs2.gmoserver.jp`
		A	157.7.33.87^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`ns-rs2.gmoserver.jp`
MX	`mail21.onamae.ne.jp` ⭐
		A	150.95.219.209^{🇯🇵 GMO-INTERNET150.95.219.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`mail21.onamae.ne.jp`
TXT	`v=spf1 include:_spf.onamae.ne.jp ~all`
SOA	`ns-rs1.gmoserver.jp`hostmaster@challenge-lab.com 2021-03-15 #36

`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=1774620597

Same first word

challenge-lab.com

DNS History

8 records (4 active, 4 former)

○NSdns01.gmoserver.jp2018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 16:39:58
○ 2026-02-28 06:45:18
○ 2026-03-27 14:22:12

○NSdns02.gmoserver.jp2018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 16:39:58
○ 2026-02-28 06:45:18
○ 2026-03-27 14:22:12

●NSns-rs1.gmoserver.jp2026-02-28 → 2026-03-27 · 3 obs

○ 2018-05-08 16:39:58
● 2026-02-28 06:45:18
● 2026-03-27 14:22:12

●NSns-rs2.gmoserver.jp2026-02-28 → 2026-03-27 · 3 obs

○ 2018-05-08 16:39:58
● 2026-02-28 06:45:18
● 2026-03-27 14:22:12

●MXmail21.onamae.ne.jp2026-02-28 → 2026-03-27 · 3 obs

○ 2018-05-08 16:39:58
● 2026-02-28 06:45:18
● 2026-03-27 14:22:12

○MXmx18.gmoserver.jp2018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 16:39:58
○ 2026-02-28 06:45:18
○ 2026-03-27 14:22:12

○A133.130.64.1122018-05-08 → 2018-05-08 · 3 obs

● 2018-05-08 16:39:58
○ 2026-02-28 06:45:18
○ 2026-03-27 14:22:12

●A160.251.148.2432026-02-28 → 2026-03-27 · 3 obs

○ 2018-05-08 16:39:58
● 2026-02-28 06:45:18
● 2026-03-27 14:22:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...	-
challenge-lab.com	ns-rs1.gmoserver.jp, ns-rs2.gmoserver.jp	-

✅ Authoritative Response

Server:157.7.33.87

NS records: ns-rs1.gmoserver.jp, ns-rs2.gmoserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challenge-lab.com (unsigned zone)

⏱️ Timing

Total: 1349ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`160.251.148.243`
NS	2	`ns-rs1.gmoserver.jp, ns-rs2.gmoserver.jp`
MX	1	`mail21.onamae.ne.jp (pri: 10)`
TXT	1	`v=spf1 include:_spf.onamae.ne.jp ~all`
SOA	1	`ns-rs1.gmoserver.jp hostmaster.challenge`

Analysis

IP Addresses

challenge-lab.com points to a single IP number: 160.251.148.243.

Other host names, for instance bc-holdings.co.jp, dd8.jp, raidmania.com, rimshoot.com and hoocome.com share IP numbers with challenge-lab.com.

Name Servers

challenge-lab.com is delegated to two name servers: ns-rs1.gmoserver.jp and ns-rs2.gmoserver.jp.

challenge-lab.com uses the same name server setup as other domains, for instance graspec.com, jsmo.net, firewar.biz, alfix.jp and meniscope.com.

Host names with one IP number:

ns-rs1.gmoserver.jp points to: 157.7.32.87.

ns-rs2.gmoserver.jp points to: 157.7.33.87.

Mail Servers

The mail server for challenge-lab.com is mail21.onamae.ne.jp.

challenge-lab.com shares the same mail server setup as other domains, including unicha.com, axisjj.com, entamate.com, horin.net and t-net.jp.

challenge-lab.com shares some mail servers with other domains, including mdps.co.jp, g-media.jp, oco.co.jp, meikatu.com and jda.co.jp.

Host name mail21.onamae.ne.jp resolves to IP 150.95.219.209.

challenge-lab.com - robtex.com