knowtechnology.net - dns.ninja

`knowtechnology.net`

DNSSEC	⚠️ Not signed
A	85.131.213.23^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
		PTR	`sv16642.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`knowtechnology.net` ⭐
		A	85.131.213.23^{🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.}
			PTR	`sv16642.xserver.jp`
TXT	`v=spf1 +a:sv16642.xserver.jp +a:knowtechnology.net +mx include:spf.sender.xse...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`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=1785878654

WOT: SAFE (68/100)

MX for

knowtechnology.net

Previously MX for

mail.knowtechnology.net

www.knowtechnology.net

Subdomains

ns2.knowtechnology.net

kt-port-whatif2.knowtechnology.net

kt-port-gorham.knowtechnology.net

stat0.knowtechnology.net

ns3.knowtechnology.net

kt-port-emergent.knowtechnology.net

mail.knowtechnology.net

static.knowtechnology.net

ns1.knowtechnology.net

kt-port-mfgdirect.knowtechnology.net

kt-port-unclehenrys.knowtechnology.net

Same first word

knowtechnology.net

DNS History

26 records (7 active, 19 former)

○NSns.enablesit.com2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 11:37:36
○ 2015-09-09 21:06:24
○ 2026-08-04 21:27:30

○NSns1.dnsowl.com2026-02-15 → 2026-02-15 · 4 obs

○ 2015-12-29 20:41:34
● 2026-02-15 21:43:14
○ 2026-02-28 04:27:30
○ 2026-08-04 21:27:30

○NSns1.enablesit.com2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 11:37:36
○ 2015-09-09 21:06:24
○ 2026-08-04 21:27:30

●NSns1.xserver.jp2026-03-26 → 2026-08-04 · 3 obs

○ 2026-02-28 04:27:30
● 2026-03-26 21:51:08
● 2026-08-04 21:27:30

○NSns2.dnsowl.com2026-02-15 → 2026-02-15 · 4 obs

○ 2015-12-29 20:41:34
● 2026-02-15 21:43:14
○ 2026-02-28 04:27:30
○ 2026-08-04 21:27:30

○NSns2.enablesit.com2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 11:37:36
○ 2015-09-09 21:06:24
○ 2026-08-04 21:27:30

●NSns2.xserver.jp2026-03-26 → 2026-08-04 · 3 obs

○ 2026-02-28 04:27:30
● 2026-03-26 21:51:08
● 2026-08-04 21:27:30

○NSns3.dnsowl.com2026-02-15 → 2026-02-15 · 4 obs

○ 2015-12-29 20:41:34
● 2026-02-15 21:43:14
○ 2026-02-28 04:27:30
○ 2026-08-04 21:27:30

○NSns3.enablesit.com2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 11:37:36
○ 2015-09-09 21:06:24
○ 2026-08-04 21:27:30

●NSns3.xserver.jp2026-03-26 → 2026-08-04 · 3 obs

○ 2026-02-28 04:27:30
● 2026-03-26 21:51:08
● 2026-08-04 21:27:30

●NSns4.xserver.jp2026-03-26 → 2026-08-04 · 3 obs

○ 2026-02-28 04:27:30
● 2026-03-26 21:51:08
● 2026-08-04 21:27:30

●NSns5.xserver.jp2026-03-26 → 2026-08-04 · 3 obs

○ 2026-02-28 04:27:30
● 2026-03-26 21:51:08
● 2026-08-04 21:27:30

○NSns65.domaincontrol.com2015-12-29 → 2026-02-15 · 5 obs

○ 2015-09-09 21:06:24
● 2015-12-29 20:41:34
● 2026-02-15 21:43:14
○ 2026-02-28 04:27:30
○ 2026-08-04 21:27:30

○NSns66.domaincontrol.com2015-12-29 → 2026-02-15 · 5 obs

○ 2015-09-09 21:06:24
● 2015-12-29 20:41:34
● 2026-02-15 21:43:14
○ 2026-02-28 04:27:30
○ 2026-08-04 21:27:30

○NSns7.worldnic.com2015-09-09 → 2015-09-09 · 4 obs

○ 2015-06-15 11:37:36
● 2015-09-09 21:06:24
○ 2015-12-29 20:41:34
○ 2026-08-04 21:27:30

○NSns8.worldnic.com2015-09-09 → 2015-09-09 · 4 obs

○ 2015-06-15 11:37:36
● 2015-09-09 21:06:24
○ 2015-12-29 20:41:34
○ 2026-08-04 21:27:30

○MXknowtechnology-net.mail.eo.outlook.com2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 11:37:36
○ 2015-09-09 21:06:24
○ 2026-08-04 21:27:30

●MXknowtechnology.net2026-03-26 → 2026-08-04 · 3 obs

○ 2026-02-28 04:27:30
● 2026-03-26 21:51:08
● 2026-08-04 21:27:30

○MXmail.eye-mail.net2026-02-15 → 2026-02-15 · 4 obs

○ 2015-12-29 20:41:34
● 2026-02-15 21:43:14
○ 2026-02-28 04:27:30
○ 2026-08-04 21:27:30

○MXmailstore1.secureserver.net2015-12-29 → 2026-02-15 · 5 obs

○ 2015-09-09 21:06:24
● 2015-12-29 20:41:34
● 2026-02-15 21:43:14
○ 2026-02-28 04:27:30
○ 2026-08-04 21:27:30

○MXsmtp.secureserver.net2015-12-29 → 2026-02-15 · 5 obs

○ 2015-09-09 21:06:24
● 2015-12-29 20:41:34
● 2026-02-15 21:43:14
○ 2026-02-28 04:27:30
○ 2026-08-04 21:27:30

○A207.5.172.382015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 11:37:36
○ 2015-09-09 21:06:24
○ 2026-08-04 21:27:30

○A208.91.197.272015-09-09 → 2015-09-09 · 4 obs

○ 2015-06-15 11:37:36
● 2015-09-09 21:06:24
○ 2015-12-29 20:41:34
○ 2026-08-04 21:27:30

○A50.63.202.262015-12-29 → 2026-02-15 · 5 obs

○ 2015-09-09 21:06:24
● 2015-12-29 20:41:34
● 2026-02-15 21:43:14
○ 2026-02-28 04:27:30
○ 2026-08-04 21:27:30

●A85.131.213.232026-03-26 → 2026-08-04 · 3 obs

○ 2026-02-28 04:27:30
● 2026-03-26 21:51:08
● 2026-08-04 21:27:30

○A91.195.240.122026-02-15 → 2026-02-15 · 4 obs

○ 2015-12-29 20:41:34
● 2026-02-15 21:43:14
○ 2026-02-28 04:27:30
○ 2026-08-04 21:27:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	k.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...	-
knowtechnology.net	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:202.226.36.246

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowtechnology.net (unsigned zone)

⏱️ Timing

Total: 3149ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.213.23`
NS	5	`ns3.xserver.jp, ns5.xserver.jp...`
MX	1	`knowtechnology.net (pri: 0)`
TXT	1	`v=spf1 +a:sv16642.xserver.jp +a:knowtech`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Hierarchy

ns2.knowtechnology.net, kt-port-whatif2.knowtechnology.net, kt-port-gorham.knowtechnology.net, stat0.knowtechnology.net, ns3.knowtechnology.net and a few other host names are all children of knowtechnology.net.

Mail Server Role

knowtechnology.net acts as its own mail server.

IP Addresses

knowtechnology.net points to a single IP number: 85.131.213.23.

Additional host names — www.irishdancingdirectory.com, employment.dcpsmd.net, static.knowtechnology.net and two others — share IP numbers with knowtechnology.net.

Name Servers

Delegation for knowtechnology.net is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

The name servers of knowtechnology.net overlap at least partially with those of other domains — among them 103.co.jp, kinotori.com, biris-hair.com and two more.

These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names with three IP numbers:

ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names pointing to a single IP address:

ns2.xserver.jp points to the IP address 35.72.43.26.

ns3.xserver.jp points to the IP address 202.226.36.247.

Mail Servers

knowtechnology.net has a single mail server: knowtechnology.net itself.

There is one IP number for knowtechnology.net: 85.131.213.23.