lambda.jp - dns.ninja

`lambda.jp`

DNSSEC	⚠️ Not signed
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}
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`v=spf1 include:icloud.com ~all`
TXT	`apple-domain=QMmG0kWyMRzdW0z3`
SOA	`ns1.value-domain.com`hostmaster@lambda.jp 2022-06-19 #2

`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=1784860203

Same first word

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DNS History

9 records (5 active, 4 former)

●NSns1.value-domain.com2015-07-15 → 2026-07-24 · 2 obs

● 2015-07-15 12:28:54
● 2026-07-24 03:39:24

●NSns2.value-domain.com2015-07-15 → 2026-07-24 · 2 obs

● 2015-07-15 12:28:54
● 2026-07-24 03:39:24

●NSns3.value-domain.com2026-03-30 → 2026-07-24 · 3 obs

○ 2015-07-15 12:28:54
● 2026-03-30 17:56:24
● 2026-07-24 03:39:24

○MXmail.lambda.jp2015-07-15 → 2018-07-17 · 4 obs

● 2015-07-15 12:28:54
● 2018-07-17 18:52:12
○ 2026-03-30 17:56:24
○ 2026-07-24 03:39:24

○MXminerva.lambda.jp2018-07-17 → 2018-07-17 · 4 obs

○ 2015-07-15 12:28:54
● 2018-07-17 18:52:12
○ 2026-03-30 17:56:24
○ 2026-07-24 03:39:24

●MXmx01.mail.icloud.com2026-03-30 → 2026-07-24 · 3 obs

○ 2018-07-17 18:52:12
● 2026-03-30 17:56:24
● 2026-07-24 03:39:24

●MXmx02.mail.icloud.com2026-03-30 → 2026-07-24 · 3 obs

○ 2018-07-17 18:52:12
● 2026-03-30 17:56:24
● 2026-07-24 03:39:24

○A153.126.212.1322018-07-17 → 2018-07-17 · 4 obs

○ 2017-01-08 18:55:40
● 2018-07-17 18:52:12
○ 2026-03-30 17:56:24
○ 2026-07-24 03:39:24

○A49.212.144.1472015-07-15 → 2017-01-08 · 4 obs

● 2015-07-15 12:28:54
● 2017-01-08 18:55:40
○ 2018-07-17 18:52:12
○ 2026-07-24 03:39:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
lambda.jp	ns3.value-domain.com, ns1.value-domain.com, ns2.value-domain.com	-

✅ Authoritative Response

Server:172.64.52.38

NS records: ns3.value-domain.com, ns1.value-domain.com, ns2.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lambda.jp (unsigned zone)

⏱️ Timing

Total: 3535ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.value-domain.com, ns2.value-domain.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`v=spf1 include:icloud.com ~all, apple-domain=QMmG0kWyMRzdW0z3`
SOA	1	`ns1.value-domain.com hostmaster.lambda.j`

Analysis

Name Servers

DNS for lambda.jp is handled by three authoritative name servers: ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.

lambda.jp partially shares its NS delegation with several other domains, including urumadelvi.com, tsujioka.net, apsec.jp and two others.

These name servers are frequently paired with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.

ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com each resolve to a single IP address: ns1.value-domain.com resolves to 172.64.52.38, ns2.value-domain.com resolves to 172.64.53.3 and ns3.value-domain.com resolves to 172.64.52.38.

Host names pointing to 172.64.52.38 IP addresses: ns1.value-domain.com and ns3.value-domain.com.

Mail Servers

lambda.jp has two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names with 6 IP numbers:

mx01.mail.icloud.com has IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, plus 3 other.

mx02.mail.icloud.com has IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, plus 3 other.

Host names pointing to 17.42.251.62 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.56.9.31 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.152.5 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.154.33 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.155.25 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.156.30 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.