`openacademia.net`

DNSSEC	⚠️ Not signed
A	204.187.13.88^{🇨🇦 GOSSAMERTHREADS204.187.12.0/22 GT Route}
		PTR	`pkpps100.publicknowledgeproject.org`
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mx1.pub.mailpod12-cph3.one.com` ⭐
		A	104.37.34.246^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx1.pub.mailpod12-cph3.one.com`
MX	`mx2.pub.mailpod12-cph3.one.com` ⭐
		A	104.37.34.247^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx2.pub.mailpod12-cph3.one.com`
MX	`mx3.pub.mailpod12-cph3.one.com` ⭐
		A	104.37.34.248^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx3.pub.mailpod12-cph3.one.com`
MX	`mx4.pub.mailpod12-cph3.one.com` ⭐
		A	104.37.34.249^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx4.pub.mailpod12-cph3.one.com`
TXT	`v=spf1 mx a ip4:204.187.13.88 ~all`
SOA	`ns01.one.com`hostmaster@one.com 2026-04-27 #3

`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=1778716636

Subdomains

fw3a.openacademia.net

mxbackup.openacademia.net

Same first word

openacademia.net

Similar names

academiaopen.ru

DNS History

12 records (7 active, 5 former)

●NSns01.one.com2020-02-08 → 2026-05-14 · 2 obs

● 2020-02-08 11:21:14
● 2026-05-14 00:21:20

●NSns02.one.com2020-02-08 → 2026-05-14 · 2 obs

● 2020-02-08 11:21:14
● 2026-05-14 00:21:20

●MXmx1.pub.mailpod12-cph3.one.com2026-02-24 → 2026-05-14 · 3 obs

○ 2020-02-08 11:21:14
● 2026-02-24 13:22:36
● 2026-05-14 00:21:20

○MXmx1.pub.mailpod2-cph3.one.com2020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 11:21:14
○ 2026-02-24 13:22:36
○ 2026-05-14 00:21:20

●MXmx2.pub.mailpod12-cph3.one.com2026-02-24 → 2026-05-14 · 3 obs

○ 2020-02-08 11:21:14
● 2026-02-24 13:22:36
● 2026-05-14 00:21:20

○MXmx2.pub.mailpod2-cph3.one.com2020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 11:21:14
○ 2026-02-24 13:22:36
○ 2026-05-14 00:21:20

●MXmx3.pub.mailpod12-cph3.one.com2026-02-24 → 2026-05-14 · 3 obs

○ 2020-02-08 11:21:14
● 2026-02-24 13:22:36
● 2026-05-14 00:21:20

○MXmx3.pub.mailpod2-cph3.one.com2020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 11:21:14
○ 2026-02-24 13:22:36
○ 2026-05-14 00:21:20

●MXmx4.pub.mailpod12-cph3.one.com2026-02-24 → 2026-05-14 · 3 obs

○ 2020-02-08 11:21:14
● 2026-02-24 13:22:36
● 2026-05-14 00:21:20

●A204.187.13.882026-02-24 → 2026-05-14 · 3 obs

○ 2020-02-08 11:21:14
● 2026-02-24 13:22:36
● 2026-05-14 00:21:20

○A2a02:2350:5:106:ec40:0:f00b:a90c2020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 11:21:14
○ 2026-02-24 13:22:36
○ 2026-05-14 00:21:20

○A46.30.215.1772020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 11:21:14
○ 2026-02-24 13:22:36
○ 2026-05-14 00:21:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
openacademia.net	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1470ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.187.13.88`
NS	2	`ns02.one.com, ns01.one.com`
MX	4	`mx4.pub.mailpod12-cph3.one.com (pri: 10), mx3.pub.mailpod12-cph3.one.com (pri: 10)...`
TXT	1	`v=spf1 mx a ip4:204.187.13.88 ~all`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

Hierarchy

openacademia.net is a parent of fw3a.openacademia.net and mxbackup.openacademia.net.

IP Addresses

openacademia.net points to IP number: 204.187.13.88.

Other host names such as journalcswb.ca, pkpps100.publicknowledgeproject.org, polarresearch.net, dj.dancecult.net and mail.publicknowledgeproject.org share IPs with openacademia.net.

Name Servers

openacademia.net is delegated to two name servers: ns01.one.com and ns02.one.com.

openacademia.net shares the same name server setup as vaporon.com, psj.se, directorssalon.com, easy-step.no and arilds.dk.

Host names with two IP numbers: ns01.one.com points to: 2001:67c:28cc::10 and 195.206.121.10; ns02.one.com points to: 2001:67c:3c0::10 and 185.10.11.10.

Mail Servers

Four mail servers handle openacademia.net: mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com, mx3.pub.mailpod12-cph3.one.com and mx4.pub.mailpod12-cph3.one.com.

openacademia.net shares at least partially some mail servers with other domains, including boxcube.se, rocs.se, teltt.com, birkler.se and webii.dk.

Host names with one IP number:

mx1.pub.mailpod12-cph3.one.com points to 104.37.34.246.

mx2.pub.mailpod12-cph3.one.com points to 104.37.34.247.

mx3.pub.mailpod12-cph3.one.com points to 104.37.34.248.

mx4.pub.mailpod12-cph3.one.com points to 104.37.34.249.

openacademia.net - robtex.com