b.zero52.com - dns.ninja

`b.zero52.com`

	DNSSEC	⚠️ Not signed
	A	2001:e42:107:1008:ac1e:fb66:1b85:88a7^{🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN}
	A	133.242.30.134^{🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}

`zero52.com`

	DNSSEC	⚠️ Not signed
	A	27.133.136.167^{🇯🇵 SAKURA-B27.133.128.0/19 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
	NS	`a.zero52.net` ⭐
	NS	`b.zero52.org`
	NS	`c.zero52.com`
	MX	`mx.zero52.com.cust.a.hostedemail.com` ⭐
	TXT	`v=spf1 include:_spf.hostedemail.com`
	SOA	`a.zero52.net`dns@zero52.net 2024-08-06 #2

NS for

threadbike.com

Same first word

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b.bike

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b.eus

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DNS History

3 records (2 active, 1 former)

●A133.242.30.1342015-05-30 → 2026-08-07 · 2 obs

● 2015-05-30 22:52:02
● 2026-08-07 11:03:42

●A2001:e42:107:1008:ac1e:fb66:1b85:88a72015-10-12 → 2026-08-07 · 3 obs

○ 2015-05-30 22:52:02
● 2015-10-12 23:30:50
● 2026-08-07 11:03:42

○A2401:2500:109:100e:ac1e:fd66:85f2:1e862015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 22:52:02
○ 2015-10-12 23:30:50
○ 2026-08-07 11:03:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
zero52.com	a.zero52.net, c.zero52.com, b.zero52.org	1 record

✅ Authoritative Response

Server:27.133.136.167

NS records: a.zero52.net, c.zero52.com, b.zero52.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zero52.com (unsigned zone)

⏱️ Timing

Total: 784ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.242.30.134`
AAAA	1	`2001:e42:107:1008:ac1e:fb66:1b85:88a7`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (c.zero52.com)

Analysis

Name Server Role

threadbike.com is delegated to b.zero52.com as a name server.

It is common to see a.zero52.net, c.zero52.org and c.zero52.com acting as name servers in combination with b.zero52.com.

IP Addresses

b.zero52.com resolves to the IP addresses 133.242.30.134 and 2001:e42:107:1008:ac1e:fb66:1b85:88a7

vdn.pwd.jp, ip03.pascal-postdog.com, b.zero52.org plus two other host names have IP numbers in common with b.zero52.com.