`docendo.co`

DNSSEC	⚠️ Not signed
A	159.69.66.223^{🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC}
		PTR	`static.223.66.69.159.clients.your-server.de`
NS	`ns1.simply.com` ⭐
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com` ⚠️ Not in parent delegation
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		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`⁽⁵⁾
		A	2a00:1450:4013:c1e::1b^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f27.1e100.net`
		A	192.178.213.26^{🇺🇸 Google192.178.213.0/24}
			PTR	`yugrqzs-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		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`⁽¹⁰⁾
		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`
TXT	`_acme-challenge.docendo.co=1hgpklXOlL7A_9qOgH0Wk0hjO-CxZ7eY1jItIav0bpE`
SOA	`ns1.simply.com`hostmaster@simply.com 2024-09-04 #0

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759624914

Subdomains

app.docendo.co

Same first word

docendo.se

docendo.nl

docendo.online

docendo.es

docendo.de

docendo.net

docendo.com

docendo.no

docendo.co.uk

docendo.dk

docendo.eu

docendo.fi

docendo.ro

Similar names

nocoded.com

decodon.com

doncode.com

nodedoc.com

docnode.nl

endodoc.de

endodoc.co.at

endodoc.net

codedon.net

endodoc.or.at

docnode.net

endodoc.us

codendo.com

dodecon.de

decodon.de

docnode.de

endodoc.com

docnode.org

endodoc.at

decodon.ru

nodcode.com

docnode.by

docdone.com

donedoc.in

endodoc.eu

donedoc.com

doconed.nl

dodecon.xyz

ddoneco.com

decondo.com

doncode.com.ua

codedon.com

docnode.com

endodoc.ca

endodoc.org

DNS History

15 records (10 active, 5 former)

●NSns1.simply.com2026-04-03 → 2026-04-03 · 3 obs

○ 2017-06-19 05:49:12
● 2026-04-03 07:51:50
● 2026-04-03 07:51:52

●NSns2.simply.com2026-04-03 → 2026-04-03 · 3 obs

○ 2017-06-19 05:49:12
● 2026-04-03 07:51:50
● 2026-04-03 07:51:52

○NSns27.domaincontrol.com2015-05-23 → 2016-11-30 · 4 obs

● 2015-05-23 10:36:12
● 2016-11-30 06:20:02
○ 2017-06-19 05:49:12
○ 2026-04-03 07:51:52

○NSns28.domaincontrol.com2015-05-23 → 2016-11-30 · 4 obs

● 2015-05-23 10:36:12
● 2016-11-30 06:20:02
○ 2017-06-19 05:49:12
○ 2026-04-03 07:51:52

●NSns3.simply.com2026-04-03 → 2026-04-03 · 3 obs

○ 2017-06-19 05:49:12
● 2026-04-03 07:51:50
● 2026-04-03 07:51:52

●NSns4.simply.com2026-04-03 → 2026-04-03 · 3 obs

○ 2017-06-19 05:49:12
● 2026-04-03 07:51:50
● 2026-04-03 07:51:52

●MXalt1.aspmx.l.google.com2026-04-03 → 2026-04-03 · 3 obs

○ 2017-06-19 05:49:12
● 2026-04-03 07:51:50
● 2026-04-03 07:51:52

●MXalt2.aspmx.l.google.com2026-04-03 → 2026-04-03 · 3 obs

○ 2017-06-19 05:49:12
● 2026-04-03 07:51:50
● 2026-04-03 07:51:52

●MXaspmx.l.google.com2026-04-03 → 2026-04-03 · 3 obs

○ 2017-06-19 05:49:12
● 2026-04-03 07:51:50
● 2026-04-03 07:51:52

●MXaspmx2.googlemail.com2026-04-03 → 2026-04-03 · 3 obs

○ 2017-06-19 05:49:12
● 2026-04-03 07:51:50
● 2026-04-03 07:51:52

●MXaspmx3.googlemail.com2026-04-03 → 2026-04-03 · 3 obs

○ 2017-06-19 05:49:12
● 2026-04-03 07:51:50
● 2026-04-03 07:51:52

○MXmailstore1.secureserver.net2015-05-23 → 2016-11-30 · 4 obs

● 2015-05-23 10:36:12
● 2016-11-30 06:20:02
○ 2017-06-19 05:49:12
○ 2026-04-03 07:51:52

○MXsmtp.secureserver.net2015-05-23 → 2016-11-30 · 4 obs

● 2015-05-23 10:36:12
● 2016-11-30 06:20:02
○ 2017-06-19 05:49:12
○ 2026-04-03 07:51:52

●A159.69.66.2232026-04-03 → 2026-04-03 · 3 obs

○ 2017-06-19 05:49:12
● 2026-04-03 07:51:50
● 2026-04-03 07:51:52

○A184.168.221.462015-05-23 → 2016-11-30 · 4 obs

● 2015-05-23 10:36:12
● 2016-11-30 06:20:02
○ 2017-06-19 05:49:12
○ 2026-04-03 07:51:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
docendo.co	ns1.simply.com, ns2.simply.com, ns3.simply.com	-

✅ Authoritative Response

Server:185.25.141.15

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 464ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.69.66.223`
NS	4	`ns3.simply.com, ns2.simply.com...`
MX	5	`aspmx.l.google.com (pri: 1), alt2.aspmx.l.google.com (pri: 5)...`
TXT	1	`_acme-challenge.docendo.co=1hgpklXOlL7A_`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

Hierarchy

app.docendo.co is a child of docendo.co.

IP Addresses

docendo.co resolves to one IP number: 159.69.66.223.

Other host names, for instance dokendo.dk, docendo.no, static.223.66.69.159.clients.your-server.de, app.docendo.co and app.docendo.dk share IP numbers with docendo.co.

Name Servers

docendo.co delegates to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

docendo.co at least partially shares name servers with other domains, including gitra1n.com, nyboell.dk, isoterm.dk, xf.se and bisholt.biz.