`koan01.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:aa04^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:36fe^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.254^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.4^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`phil.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c189^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`phil.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2189^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`phil.ns.cloudflare.com`
		A	108.162.193.137^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
		A	172.64.33.137^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
		A	173.245.59.137^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`phil.ns.cloudflare.com`
NS	`stephane.ns.cloudflare.com`
		A	2606:4700:50::a29f:2670^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c270^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stephane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2270^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stephane.ns.cloudflare.com`
		A	108.162.194.112^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	162.159.38.112^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	172.64.34.112^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
MX	`_dc-mx.06b66bf43657.koan01.net` ⭐
		A	62.149.128.151^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd6.aruba.it`
		A	62.149.128.154^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd7.aruba.it`
		A	62.149.128.157^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd8.aruba.it`
		A	62.149.128.160^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd1.aruba.it`
		A	62.149.128.163^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd2.aruba.it`
		A	62.149.128.166^{🇮🇹 ARUBA-ASN62.149.128.0/19 Aruba S.p.A. Network}
			PTR	`mxd3.aruba.it`
TXT	`v=spf1 include:_spf.aruba.it ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.254, 172.67.170.4
		IPv6 hints	2606:4700:3030::ac43:aa04, 2606:4700:3035::6815:36fe
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=227, name=cloudflare-ech.com
SOA	`phil.ns.cloudflare.com`dns@cloudflare.com serial=2405147201

`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=1781775645

Subdomains

www.koan01.net

Same first word

koan01.net

Similar names

01okna.ru

DNS History

20 records (7 active, 13 former)

○NSdns.technorail.com2015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

○NSdns2.technorail.com2015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

○NSdns3.arubadns.net2015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

○NSdns4.arubadns.cz2015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

●NSphil.ns.cloudflare.com2026-06-04 → 2026-06-18 · 3 obs

○ 2020-01-06 10:22:20
● 2026-06-04 20:25:00
● 2026-06-18 10:07:02

●NSstephane.ns.cloudflare.com2026-06-04 → 2026-06-18 · 3 obs

○ 2020-01-06 10:22:20
● 2026-06-04 20:25:00
● 2026-06-18 10:07:02

●MX_dc-mx.06b66bf43657.koan01.net2026-06-04 → 2026-06-18 · 3 obs

○ 2020-01-06 10:22:20
● 2026-06-04 20:25:00
● 2026-06-18 10:07:02

○MXmx.koan01.net2015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

●A104.21.54.2542026-06-04 → 2026-06-18 · 3 obs

○ 2020-01-06 10:22:20
● 2026-06-04 20:25:00
● 2026-06-18 10:07:02

●A172.67.170.42026-06-04 → 2026-06-18 · 3 obs

○ 2020-01-06 10:22:20
● 2026-06-04 20:25:00
● 2026-06-18 10:07:02

●A2606:4700:3030::ac43:aa042026-06-04 → 2026-06-18 · 3 obs

○ 2020-01-06 10:22:20
● 2026-06-04 20:25:00
● 2026-06-18 10:07:02

●A2606:4700:3035::6815:36fe2026-06-04 → 2026-06-18 · 3 obs

○ 2020-01-06 10:22:20
● 2026-06-04 20:25:00
● 2026-06-18 10:07:02

○A62.149.128.1512015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

○A62.149.128.1542015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

○A62.149.128.1572015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

○A62.149.128.1602015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

○A62.149.128.1632015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

○A62.149.128.1662015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

○A62.149.128.722015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

○A62.149.128.742015-06-02 → 2017-02-18 · 4 obs

● 2015-06-02 09:36:48
● 2017-02-18 09:09:12
○ 2020-01-06 10:22:20
○ 2026-06-18 10:07:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
koan01.net	phil.ns.cloudflare.com, stephane.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.137

NS records: phil.ns.cloudflare.com, stephane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koan01.net (unsigned zone)

⏱️ Timing

Total: 455ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.54.254, 172.67.170.4`
AAAA	2	`2606:4700:3030::ac43:aa04, 2606:4700:3035::6815:36fe`
NS	2	`phil.ns.cloudflare.com, stephane.ns.cloudflare.com`
MX	1	`_dc-mx.06b66bf43657.koan01.net (pri: 10)`
TXT	1	`v=spf1 include:_spf.aruba.it ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`phil.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

koan01.net is a parent domain of www.koan01.net.

IP Addresses

koan01.net resolves to four IP addresses: 104.21.54.254, 172.67.170.4, 2606:4700:3030::ac43:aa04 and 2606:4700:3035::6815:36fe.

vs-coding.com, essmyanmartravels.com, www.betpuangiris.one and two other host names share IP numbers with koan01.net.

Name Servers

Two name servers handle the delegation for koan01.net: phil.ns.cloudflare.com and stephane.ns.cloudflare.com.

koan01.net uses the same name servers as several other domains — among them jerseystrophy.com, retailacademy.it, themmrf.org and two more.

koan01.net shares at least some of its name servers with other domains, including giodaingan.com, home-leyugame.com, te-tickets.ru and two others.

Hostnames that resolve to 6 IP addresses:

phil.ns.cloudflare.com resolves to 108.162.193.137, 172.64.33.137 and 173.245.59.137 among others, with 3 other IP addresses in total.

stephane.ns.cloudflare.com resolves to 108.162.194.112, 162.159.38.112 and 172.64.34.112 among others, with 3 other IP addresses in total.

Mail Servers

Mail for koan01.net is handled by a single mail server, _dc-mx.06b66bf43657.koan01.net.

_dc-mx.06b66bf43657.koan01.net resolves to 6 IP addresses — 62.149.128.151, 62.149.128.154, 62.149.128.157 and 3 others.

koan01.net - robtex.com

koan01.net

net

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`koan01.net`

`net`