`knowledgewing.com`

DNSSEC	⚠️ Not signed
NS	`ns000.d-53.net` ⭐
NS	`dns-b.iij.ad.jp` ⚠️ Not in zone NS records
		A	2001:240:bb81::28:51^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`s020.d-53.biz`
		A	202.32.219.51^{🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`s020.d-53.biz`
NS	`dns-c.iij.ad.jp` ⚠️ Not in zone NS records
		A	2001:240:bb81::29:111^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`s020.d-53.net`
		A	210.138.20.111^{🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`s020.d-53.net`
NS	`ns020-lguosrvn9t45g4ul.l.d-53.info` ⚠️ Not in parent delegation
		A	2001:240:bb81::28:51^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`s020.d-53.biz`
		A	202.32.219.51^{🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`s020.d-53.biz`
NS	`ns020-lguosrvn9t45g4ul.l.d-53.jp` ⚠️ Not in parent delegation
		A	2001:240:bb81::29:1111^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`s020.d-53.org`
		A	203.180.146.111^{🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`s020.d-53.org`
NS	`ns020-lguosrvn9t45g4ul.l.d-53.org` ⚠️ Not in parent delegation
		A	2001:240:bb81::29:111^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`s020.d-53.net`
		A	210.138.20.111^{🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`s020.d-53.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2607:f8b0:4023:2801::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f26.1e100.net`
		A	192.178.128.26^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2a00:1450:4025:402::1b^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f27.1e100.net`
		A	142.250.102.27^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f26.1e100.net`
		A	172.253.135.27^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f27.1e100.net`
MX	`aspmx4.googlemail.com`⁽³⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`aspmx5.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`6dg3vfki3dj0tcjlpa08nfbmh5`
TXT	`xVAN89SXHgfN6/CFdg3jvISnhSIKieY22FAX3C1pX2o=`
TXT	`v=spf1 ip4:111.171.219.199 ip4:111.171.199.154 ip4:111.171.199.239 -all`
TXT	`202303101628040D51A043D6C00516C9B25FC90D4556E062E7D27AD713AE788F8DA20BDB27E0E6`
TXT	`20240422045103605AC79D2AD87911C7E63662B3857C01715B2C252E32785777112230892EB0FE`
SOA	`ns000.d-53.net`dns-managers@iij.ad.jp serial=381

`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=1774383937

rank #549166 globally
rank #246067 in the tld
📈 Tranco rank: #233,090

Subdomains

kcc.knowledgewing.com

Same first word

knowledgewing.com

knowledgewing.sakura.ne.jp

DNS History

13 records (13 active, 0 former)

●NSdns-b.iij.ad.jp2015-05-22 → 2026-03-24 · 2 obs

● 2015-05-22 12:19:42
● 2026-03-24 20:26:32

●NSdns-c.iij.ad.jp2015-05-22 → 2026-03-24 · 2 obs

● 2015-05-22 12:19:42
● 2026-03-24 20:26:32

●NSns000.d-53.net2026-02-18 → 2026-03-24 · 3 obs

○ 2015-05-22 12:19:42
● 2026-02-18 13:23:12
● 2026-03-24 20:26:32

●NSns020-lguosrvn9t45g4ul.l.d-53.info2026-02-18 → 2026-03-24 · 3 obs

○ 2015-05-22 12:19:42
● 2026-02-18 13:23:12
● 2026-03-24 20:26:32

●NSns020-lguosrvn9t45g4ul.l.d-53.jp2026-02-18 → 2026-03-24 · 3 obs

○ 2015-05-22 12:19:42
● 2026-02-18 13:23:12
● 2026-03-24 20:26:32

●NSns020-lguosrvn9t45g4ul.l.d-53.org2026-02-18 → 2026-03-24 · 3 obs

○ 2015-05-22 12:19:42
● 2026-02-18 13:23:12
● 2026-03-24 20:26:32

●MXalt1.aspmx.l.google.com2015-05-22 → 2026-03-24 · 2 obs

● 2015-05-22 12:19:42
● 2026-03-24 20:26:32

●MXalt2.aspmx.l.google.com2015-05-22 → 2026-03-24 · 2 obs

● 2015-05-22 12:19:42
● 2026-03-24 20:26:32

●MXaspmx.l.google.com2015-05-22 → 2026-03-24 · 2 obs

● 2015-05-22 12:19:42
● 2026-03-24 20:26:32

●MXaspmx2.googlemail.com2015-05-22 → 2026-03-24 · 2 obs

● 2015-05-22 12:19:42
● 2026-03-24 20:26:32

●MXaspmx3.googlemail.com2015-05-22 → 2026-03-24 · 2 obs

● 2015-05-22 12:19:42
● 2026-03-24 20:26:32

●MXaspmx4.googlemail.com2015-05-22 → 2026-03-24 · 2 obs

● 2015-05-22 12:19:42
● 2026-03-24 20:26:32

●MXaspmx5.googlemail.com2015-05-22 → 2026-03-24 · 2 obs

● 2015-05-22 12:19:42
● 2026-03-24 20:26:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...	-
knowledgewing.com	dns-b.iij.ad.jp, dns-c.iij.ad.jp	-

✅ Authoritative Response

Server:210.138.20.111

NS records: dns-b.iij.ad.jp, dns-c.iij.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgewing.com (unsigned zone)

⏱️ Timing

Total: 1163ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns020-lguosrvn9t45g4ul.l.d-53.org, ns020-lguosrvn9t45g4ul.l.d-53.info...`
MX	7	`aspmx4.googlemail.com (pri: 30), aspmx5.googlemail.com (pri: 30)...`
TXT	5	`20240422045103605AC79D2AD87911C7E63662B3, 6dg3vfki3dj0tcjlpa08nfbmh5...`
SOA	1	`ns000.d-53.net dns-managers.iij.ad.jp`