netzero.jp - dns.ninja

`netzero.jp`

DNSSEC	⚠️ Not signed
A	133.167.0.67^{🇯🇵 SAKURA-B133.167.0.0/24 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan}
		PTR	`www50057.sakura.ne.jp`
NS	`ns-1965.awsdns-53.co.uk` ⭐
		A	2600:9000:5307:ad00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1965.awsdns-53.co.uk`
		A	205.251.199.173^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1965.awsdns-53.co.uk`
NS	`ns-1185.awsdns-20.org`
		A	2600:9000:5304:a100::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1185.awsdns-20.org`
		A	205.251.196.161^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1185.awsdns-20.org`
NS	`ns-486.awsdns-60.com`
		A	2600:9000:5301:e600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-486.awsdns-60.com`
		A	205.251.193.230^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-486.awsdns-60.com`
NS	`ns-847.awsdns-41.net`
		A	2600:9000:5303:4f00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-847.awsdns-41.net`
		A	205.251.195.79^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-847.awsdns-41.net`
MX	`cbo0.mx.cloud-mail.jp` ⭐
		A	59.157.130.3^{🇯🇵 FBDC59.157.128.0/18 FreeBit CIDR X-Keiro:nic-noc@FreeBit.NET}
			PTR	`mail0.cloud-mail.jp`
MX	`cbo0.mx2.cloud-mail.jp`⁽¹¹⁰⁾
		A	202.210.185.137^{🇯🇵 BEKKOAME202.210.128.0/18 INTERNET INC.}
TXT	`v=spf1 a:CBO0.spf.cloud-mail.jp +ip4:133.167.0.67 ~all`
SOA	`ns-1965.awsdns-53.co.uk`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=1782915302

Same first word

netzero.media

netzero.tec.br

netzero.fr

netzero.mobi

netzero.energy

netzero.tv

netzero.ro

netzero.tel

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netzero.us

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DNS History

16 records (7 active, 9 former)

○NSauthns1.untd.com2015-06-24 → 2016-04-26 · 4 obs

● 2015-06-24 02:13:58
● 2016-04-26 06:48:18
○ 2020-02-06 09:00:34
○ 2026-07-01 14:43:54

○NSauthns2.untd.com2015-06-24 → 2016-04-26 · 4 obs

● 2015-06-24 02:13:58
● 2016-04-26 06:48:18
○ 2020-02-06 09:00:34
○ 2026-07-01 14:43:54

○NSauthns3.untd.com2015-06-24 → 2016-04-26 · 4 obs

● 2015-06-24 02:13:58
● 2016-04-26 06:48:18
○ 2020-02-06 09:00:34
○ 2026-07-01 14:43:54

○NSaws-dns.netzero.jp2020-02-06 → 2020-02-18 · 5 obs

○ 2016-04-26 06:48:18
● 2020-02-06 09:00:34
● 2020-02-18 17:03:44
○ 2026-02-21 04:37:26
○ 2026-07-01 14:43:54

●NSns-1185.awsdns-20.org2026-02-21 → 2026-07-01 · 3 obs

○ 2020-02-18 17:03:44
● 2026-02-21 04:37:26
● 2026-07-01 14:43:54

●NSns-1965.awsdns-53.co.uk2026-02-21 → 2026-07-01 · 3 obs

○ 2020-02-18 17:03:44
● 2026-02-21 04:37:26
● 2026-07-01 14:43:54

●NSns-486.awsdns-60.com2026-02-21 → 2026-07-01 · 3 obs

○ 2020-02-18 17:03:44
● 2026-02-21 04:37:26
● 2026-07-01 14:43:54

●NSns-847.awsdns-41.net2026-02-21 → 2026-07-01 · 3 obs

○ 2020-02-18 17:03:44
● 2026-02-21 04:37:26
● 2026-07-01 14:43:54

○NSsvi01.mco.ne.jp2020-02-06 → 2020-02-18 · 5 obs

○ 2016-04-26 06:48:18
● 2020-02-06 09:00:34
● 2020-02-18 17:03:44
○ 2026-02-21 04:37:26
○ 2026-07-01 14:43:54

○NSsvi01.netzero.jp2020-02-06 → 2020-02-18 · 5 obs

○ 2016-04-26 06:48:18
● 2020-02-06 09:00:34
● 2020-02-18 17:03:44
○ 2026-02-21 04:37:26
○ 2026-07-01 14:43:54

○NSsvi02.netzero.jp2020-02-06 → 2020-02-18 · 5 obs

○ 2016-04-26 06:48:18
● 2020-02-06 09:00:34
● 2020-02-18 17:03:44
○ 2026-02-21 04:37:26
○ 2026-07-01 14:43:54

●MXcbo0.mx.cloud-mail.jp2020-02-06 → 2026-07-01 · 2 obs

● 2020-02-06 09:00:34
● 2026-07-01 14:43:54

●MXcbo0.mx2.cloud-mail.jp2020-02-06 → 2026-07-01 · 2 obs

● 2020-02-06 09:00:34
● 2026-07-01 14:43:54

●A133.167.0.672020-02-06 → 2026-07-01 · 3 obs

○ 2016-04-26 06:48:18
● 2020-02-06 09:00:34
● 2026-07-01 14:43:54

○A64.136.45.382015-06-24 → 2016-04-26 · 4 obs

● 2015-06-24 02:13:58
● 2016-04-26 06:48:18
○ 2020-02-06 09:00:34
○ 2026-07-01 14:43:54

○A64.136.53.382015-06-24 → 2016-04-26 · 4 obs

● 2015-06-24 02:13:58
● 2016-04-26 06:48:18
○ 2020-02-06 09:00:34
○ 2026-07-01 14:43:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	c.dns.jp, a.dns.jp, b.dns.jp, h.dns.jp...	-
netzero.jp	ns-486.awsdns-60.com, ns-847.awsdns-41.net, ns-1185.awsdns-20.org, ns-1965.awsdns-53.co.uk	-

✅ Authoritative Response

Server:205.251.193.230

NS records: ns-486.awsdns-60.com, ns-847.awsdns-41.net, ns-1185.awsdns-20.org, ns-1965.awsdns-53.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for netzero.jp (unsigned zone)

⏱️ Timing

Total: 579ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.167.0.67`
NS	4	`ns-1185.awsdns-20.org, ns-1965.awsdns-53.co.uk...`
MX	2	`cbo0.mx.cloud-mail.jp (pri: 100), cbo0.mx2.cloud-mail.jp (pri: 110)`
TXT	1	`v=spf1 a:CBO0.spf.cloud-mail.jp +ip4:133`
SOA	1	`ns-1965.awsdns-53.co.uk awsdns-hostmaste`

Analysis

IP Addresses

netzero.jp resolves to one IP address: 133.167.0.67.

petinsurance.jp, nonrisk.co.jp, meiou-soil.co.jp and two other host names share IP numbers with netzero.jp.

Name Servers

The authoritative name servers for netzero.jp are ns-486.awsdns-60.com, ns-847.awsdns-41.net, ns-1185.awsdns-20.org and ns-1965.awsdns-53.co.uk.

netzero.jp shares at least some of its name servers with other domains, including inncodes.com, dreamflare.ai, eburystaging.com and two others.

The host names ns-486.awsdns-60.com, ns-847.awsdns-41.net, ns-1185.awsdns-20.org and ns-1965.awsdns-53.co.uk each resolve to two IP addresses: ns-486.awsdns-60.com resolves to 205.251.193.230 and 2600:9000:5301:e600::1; ns-847.awsdns-41.net resolves to 205.251.195.79 and 2600:9000:5303:4f00::1; ns-1185.awsdns-20.org resolves to 205.251.196.161 and 2600:9000:5304:a100::1; ns-1965.awsdns-53.co.uk resolves to 205.251.199.173 and 2600:9000:5307:ad00::1.

Mail Servers

Mail for netzero.jp is handled by two mail servers — cbo0.mx.cloud-mail.jp and cbo0.mx2.cloud-mail.jp.

netzero.jp uses an identical mail server configuration to several other domains — among them ryuteku.co.jp, opta-tennis.jp, tydaya.jp and two more.

cbo0.mx.cloud-mail.jp and cbo0.mx2.cloud-mail.jp each resolve to one IP number: cbo0.mx.cloud-mail.jp points to 59.157.130.3 and cbo0.mx2.cloud-mail.jp points to 202.210.185.137.