knowledge-flow.net - dns.ninja

`knowledge-flow.net`

DNSSEC	⚠️ Not signed
A	49.212.202.101^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`knowledge-flow.net`
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	`mailforward.dnsv.jp` ⭐
		A	163.44.188.5^{🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`mailforward.dnsv.jp`
TXT	`google-site-verification=bvDpZkbxaQMoCTkEiyGnYB3toLkDCbN_QFopv1gXOTk`
TXT	`google-site-verification=d0D36uE-Ol9t7ulYgKjvo3egXkW8b6-Ls1Ml7eYTOYQ`
TXT	`v=spf1 +ip4:49.212.202.101 +ip4:160.16.81.94 ~all`
TXT	`v=spf1 include:gmail.com ~all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1784264586

`net`

	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=1785458387

WOT: UNKNOWN (60/100)

PTR for

101.202.212.49.in-addr.arpa

Previously MX for

knowledge-flow.net

Same first word

knowledge-flow.net

DNS History

10 records (6 active, 4 former)

●NS01.dnsv.jp2015-07-19 → 2026-07-31 · 3 obs

○ 2007-10-14 03:17:10
● 2015-07-19 01:39:34
● 2026-07-31 01:04:36

●NS02.dnsv.jp2015-07-19 → 2026-07-31 · 3 obs

○ 2007-10-14 03:17:10
● 2015-07-19 01:39:34
● 2026-07-31 01:04:36

●NS03.dnsv.jp2015-07-19 → 2026-07-31 · 3 obs

○ 2007-10-14 03:17:10
● 2015-07-19 01:39:34
● 2026-07-31 01:04:36

●NS04.dnsv.jp2015-07-19 → 2026-07-31 · 3 obs

○ 2007-10-14 03:17:10
● 2015-07-19 01:39:34
● 2026-07-31 01:04:36

○NSns1.dns.ne.jp2007-10-14 → 2007-10-14 · 3 obs

● 2007-10-14 03:17:10
○ 2015-07-19 01:39:34
○ 2026-07-31 01:04:36

○NSns2.dns.ne.jp2007-10-14 → 2007-10-14 · 3 obs

● 2007-10-14 03:17:10
○ 2015-07-19 01:39:34
○ 2026-07-31 01:04:36

○MXknowledge-flow.net2007-10-14 → 2007-10-14 · 3 obs

● 2007-10-14 03:17:10
○ 2015-07-19 01:39:34
○ 2026-07-31 01:04:36

●MXmailforward.dnsv.jp2015-07-19 → 2026-07-31 · 3 obs

○ 2007-10-14 03:17:10
● 2015-07-19 01:39:34
● 2026-07-31 01:04:36

○A219.94.129.2262007-10-14 → 2007-10-14 · 3 obs

● 2007-10-14 03:17:10
○ 2015-07-19 01:39:34
○ 2026-07-31 01:04:36

●A49.212.202.1012015-07-19 → 2026-07-31 · 3 obs

○ 2007-10-14 03:17:10
● 2015-07-19 01:39:34
● 2026-07-31 01:04:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	j.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
knowledge-flow.net	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.34.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge-flow.net (unsigned zone)

⏱️ Timing

Total: 1162ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.202.101`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`mailforward.dnsv.jp (pri: 10)`
TXT	4	`google-site-verification=bvDpZkbxaQMoCTk, google-site-verification=d0D36uE-Ol9t7ul...`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

IP Addresses

knowledge-flow.net resolves to just one IP address, 49.212.202.101.

nico-comment.net is an example of another host name that shares IP numbers with knowledge-flow.net.

Name Servers

The NS records for knowledge-flow.net point to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

The name servers of knowledge-flow.net overlap at least partially with those of other domains — among them boruza.com, snk-inc.co.jp, m-tokyo.com and two more.

Host names that have two IP addresses:

01.dnsv.jp resolves to 157.7.32.53 and 2400:8500:3300::53.

03.dnsv.jp resolves to 157.7.34.53 and 2400:8500:3000::53.

04.dnsv.jp resolves to 157.7.35.53 and 2400:8500:3fff::53.

Host names that point to one IP address:

02.dnsv.jp resolves to 157.7.33.53.

Mail Servers

The sole mail server for knowledge-flow.net is mailforward.dnsv.jp.

Among the domains sharing a mail server setup with knowledge-flow.net are nishy.net, sakirecruit.com, ryotaro.com and two others.

There is at least a partial MX overlap between knowledge-flow.net and other domains, including jto.asia, glidenumber.net, zicca.net and two others.

mailforward.dnsv.jp points to one IP number — 163.44.188.5.