bb-lab.com - dns.ninja

`bb-lab.com`

DNSSEC	⚠️ Not signed
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=DROAgvQRLWdk6ohCDScX`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1775011285

`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=1783801167

Subdomains

ec.bb-lab.com

Same first word

bb-lab.com

bb-lab.com.hk

bb-lab.com.tw

bb-lab.jp

DNS History

24 records (7 active, 17 former)

●NS01.dnsv.jp2026-04-30 → 2026-07-11 · 3 obs

○ 2026-03-23 05:11:50
● 2026-04-30 11:29:58
● 2026-07-11 20:40:12

●NS02.dnsv.jp2026-04-30 → 2026-07-11 · 3 obs

○ 2026-03-23 05:11:50
● 2026-04-30 11:29:58
● 2026-07-11 20:40:12

●NS03.dnsv.jp2026-04-30 → 2026-07-11 · 3 obs

○ 2026-03-23 05:11:50
● 2026-04-30 11:29:58
● 2026-07-11 20:40:12

●NS04.dnsv.jp2026-04-30 → 2026-07-11 · 3 obs

○ 2026-03-23 05:11:50
● 2026-04-30 11:29:58
● 2026-07-11 20:40:12

○NS2nd.dnsv.jp2016-12-19 → 2017-01-28 · 5 obs

○ 2016-09-28 13:30:46
● 2016-12-19 01:02:00
● 2017-01-28 10:23:38
○ 2026-03-23 05:11:50
○ 2026-07-11 20:40:12

○NSangela.ns.cloudflare.com2026-03-23 → 2026-03-23 · 4 obs

○ 2017-01-28 10:23:38
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

○NSdns01.next-solutions.net2015-08-06 → 2016-09-28 · 4 obs

● 2015-08-06 12:22:48
● 2016-09-28 13:30:46
○ 2016-12-19 01:02:00
○ 2026-07-11 20:40:12

○NSdns02.next-solutions.net2015-08-06 → 2016-09-28 · 4 obs

● 2015-08-06 12:22:48
● 2016-09-28 13:30:46
○ 2016-12-19 01:02:00
○ 2026-07-11 20:40:12

○NSns8.winas.jp2016-12-19 → 2017-01-28 · 5 obs

○ 2016-09-28 13:30:46
● 2016-12-19 01:02:00
● 2017-01-28 10:23:38
○ 2026-03-23 05:11:50
○ 2026-07-11 20:40:12

○NSns9.winas.jp2016-12-19 → 2017-01-28 · 5 obs

○ 2016-09-28 13:30:46
● 2016-12-19 01:02:00
● 2017-01-28 10:23:38
○ 2026-03-23 05:11:50
○ 2026-07-11 20:40:12

○NSwells.ns.cloudflare.com2026-03-23 → 2026-03-23 · 4 obs

○ 2017-01-28 10:23:38
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

○MXalt1.aspmx.l.google.com2015-08-06 → 2026-03-23 · 4 obs

● 2015-08-06 12:22:48
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

○MXalt2.aspmx.l.google.com2015-08-06 → 2026-03-23 · 4 obs

● 2015-08-06 12:22:48
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

○MXaspmx.l.google.com2015-08-06 → 2026-03-23 · 4 obs

● 2015-08-06 12:22:48
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

○MXaspmx2.googlemail.com2015-08-06 → 2026-03-23 · 4 obs

● 2015-08-06 12:22:48
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

○MXaspmx3.googlemail.com2015-08-06 → 2026-03-23 · 4 obs

● 2015-08-06 12:22:48
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

●MXmx1.feishu.cn2026-04-30 → 2026-07-11 · 3 obs

○ 2026-03-23 05:11:50
● 2026-04-30 11:29:58
● 2026-07-11 20:40:12

●MXmx2.feishu.cn2026-04-30 → 2026-07-11 · 3 obs

○ 2026-03-23 05:11:50
● 2026-04-30 11:29:58
● 2026-07-11 20:40:12

●MXmx3.feishu.cn2026-04-30 → 2026-07-11 · 3 obs

○ 2026-03-23 05:11:50
● 2026-04-30 11:29:58
● 2026-07-11 20:40:12

○A104.21.11.1842026-03-23 → 2026-03-23 · 4 obs

○ 2016-12-19 01:02:00
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

○A172.67.166.2402026-03-23 → 2026-03-23 · 4 obs

○ 2016-12-19 01:02:00
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

○A202.218.32.232015-08-06 → 2016-09-28 · 4 obs

● 2015-08-06 12:22:48
● 2016-09-28 13:30:46
○ 2016-12-19 01:02:00
○ 2026-07-11 20:40:12

○A2606:4700:3035::6815:bb82026-03-23 → 2026-03-23 · 4 obs

○ 2016-12-19 01:02:00
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

○A2606:4700:3035::ac43:a6f02026-03-23 → 2026-03-23 · 4 obs

○ 2016-12-19 01:02:00
● 2026-03-23 05:11:50
○ 2026-04-30 11:29:58
○ 2026-07-11 20:40:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bb-lab.com	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.32.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1105ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	3	`mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=DROAgv`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

Hierarchy

bb-lab.com is the parent zone for ec.bb-lab.com.

Name Servers

The domain bb-lab.com is delegated to these four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

bb-lab.com partially shares its NS delegation with several other domains, including mit-cas.com, nhatban.jp, shinroshidou.net and two others.

Hosts with two IP numbers each:

The A records for 01.dnsv.jp return 157.7.32.53 and 2400:8500:3300::53.

The A records for 03.dnsv.jp return 157.7.34.53 and 2400:8500:3000::53.

The A records for 04.dnsv.jp return 157.7.35.53 and 2400:8500:3fff::53.

Hosts that resolve to one IP address:

02.dnsv.jp resolves to the IP address 157.7.33.53.

Mail Servers

bb-lab.com uses three mail servers — mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

bb-lab.com shares at least some of its mail servers with other domains — for example indievolve.com, ileeca.com, hzskgx.com and two more.

Hosts with three IP address records:

mx3.feishu.cn maps to three IP addresses: 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Hosts with two IP numbers each:

The A records for mx2.feishu.cn return 101.126.58.225 and 122.14.229.0.

Hosts that resolve to one IP address:

mx1.feishu.cn resolves to the IP address 52.220.106.220.

mx3.feishu.cn and mx1.feishu.cn each have 52.220.106.220 IP addresses.

mx3.feishu.cn and mx2.feishu.cn each have 101.126.58.225 IP addresses.

mx3.feishu.cn and mx2.feishu.cn each have 122.14.229.0 IP addresses.