`opsecprofessionals.org`

DNSSEC	⚠️ Not signed
A	173.230.136.165^{🇺🇸 AKAMAI-LINODE-AP173.230.128.0/20 Akamai Technologies}
		PTR	`li176-165.members.linode.com`
NS	`ns1.linode.com` ⭐
		A	2600:14c0:6::2^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-2.akashield.net`
		A	92.123.94.2^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-2.akashield.net`
NS	`ns2.linode.com`
		A	2600:14c0:6::3^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-3.akashield.net`
		A	92.123.94.3^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-3.akashield.net`
NS	`ns3.linode.com` ⚠️ Not in parent delegation
		A	2600:14c0:7::3^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-3.akashield.net`
		A	92.123.95.3^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-3.akashield.net`
NS	`ns4.linode.com` ⚠️ Not in parent delegation
		A	2600:14c0:7::4^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-4.akashield.net`
		A	92.123.95.4^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-4.akashield.net`
NS	`ns5.linode.com` ⚠️ Not in parent delegation
		A	2600:14c0:7::2^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-2.akashield.net`
		A	92.123.95.2^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-2.akashield.net`
MX	`mail1.opsecprofessionals.org` ⭐
		A	173.230.136.165^{🇺🇸 AKAMAI-LINODE-AP173.230.128.0/20 Akamai Technologies}
			PTR	`li176-165.members.linode.com`
MX	`mail2.opsecprofessionals.org`⁽²⁰⁾
		A	173.230.136.165^{🇺🇸 AKAMAI-LINODE-AP173.230.128.0/20 Akamai Technologies}
			PTR	`li176-165.members.linode.com`
SOA	`ns1.linode.com`admin@opsecprofessionals.org serial=2021000004

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774657891

WOT: UNKNOWN (60/100)

Subdomains

mail2.opsecprofessionals.org

www.opsecprofessionals.org

mail1.opsecprofessionals.org

Same first word

opsecprofessionals.org

DNS History

22 records (8 active, 14 former)

○NSlara.ns.cloudflare.com2017-08-17 → 2017-08-17 · 4 obs

○ 2016-12-04 06:22:40
● 2017-08-17 05:39:30
○ 2026-02-17 06:32:00
○ 2026-03-28 00:41:04

●NSns1.linode.com2026-02-17 → 2026-03-28 · 3 obs

○ 2017-08-17 05:39:30
● 2026-02-17 06:32:00
● 2026-03-28 00:41:04

●NSns2.linode.com2026-02-17 → 2026-03-28 · 3 obs

○ 2017-08-17 05:39:30
● 2026-02-17 06:32:00
● 2026-03-28 00:41:04

●NSns3.linode.com2026-02-17 → 2026-03-28 · 3 obs

○ 2017-08-17 05:39:30
● 2026-02-17 06:32:00
● 2026-03-28 00:41:04

●NSns4.linode.com2026-02-17 → 2026-03-28 · 3 obs

○ 2017-08-17 05:39:30
● 2026-02-17 06:32:00
● 2026-03-28 00:41:04

●NSns5.linode.com2026-02-17 → 2026-03-28 · 3 obs

○ 2017-08-17 05:39:30
● 2026-02-17 06:32:00
● 2026-03-28 00:41:04

○NSns57.1and1.com2008-04-10 → 2016-12-04 · 4 obs

● 2008-04-10 01:48:48
● 2016-12-04 06:22:40
○ 2017-08-17 05:39:30
○ 2026-03-28 00:41:04

○NSns58.1and1.com2008-04-10 → 2016-12-04 · 4 obs

● 2008-04-10 01:48:48
● 2016-12-04 06:22:40
○ 2017-08-17 05:39:30
○ 2026-03-28 00:41:04

○NSroan.ns.cloudflare.com2017-08-17 → 2017-08-17 · 4 obs

○ 2016-12-04 06:22:40
● 2017-08-17 05:39:30
○ 2026-02-17 06:32:00
○ 2026-03-28 00:41:04

○MXalt1.aspmx.l.google.com2016-12-04 → 2017-08-17 · 5 obs

○ 2016-04-27 06:43:44
● 2016-12-04 06:22:40
● 2017-08-17 05:39:30
○ 2026-02-17 06:32:00
○ 2026-03-28 00:41:04

○MXalt2.aspmx.l.google.com2016-12-04 → 2017-08-17 · 5 obs

○ 2016-04-27 06:43:44
● 2016-12-04 06:22:40
● 2017-08-17 05:39:30
○ 2026-02-17 06:32:00
○ 2026-03-28 00:41:04

○MXaspmx.l.google.com2016-12-04 → 2017-08-17 · 5 obs

○ 2016-04-27 06:43:44
● 2016-12-04 06:22:40
● 2017-08-17 05:39:30
○ 2026-02-17 06:32:00
○ 2026-03-28 00:41:04

○MXaspmx2.googlemail.com2016-12-04 → 2017-08-17 · 5 obs

○ 2016-04-27 06:43:44
● 2016-12-04 06:22:40
● 2017-08-17 05:39:30
○ 2026-02-17 06:32:00
○ 2026-03-28 00:41:04

●MXmail1.opsecprofessionals.org2026-02-17 → 2026-03-28 · 3 obs

○ 2017-08-17 05:39:30
● 2026-02-17 06:32:00
● 2026-03-28 00:41:04

●MXmail2.opsecprofessionals.org2026-02-17 → 2026-03-28 · 3 obs

○ 2017-08-17 05:39:30
● 2026-02-17 06:32:00
● 2026-03-28 00:41:04

○MXmx00.1and1.com2008-04-10 → 2016-04-27 · 4 obs

● 2008-04-10 01:48:48
● 2016-04-27 06:43:44
○ 2016-12-04 06:22:40
○ 2026-03-28 00:41:04

○MXmx01.1and1.com2008-04-10 → 2016-04-27 · 4 obs

● 2008-04-10 01:48:48
● 2016-04-27 06:43:44
○ 2016-12-04 06:22:40
○ 2026-03-28 00:41:04

○A104.27.178.902017-08-17 → 2017-08-17 · 4 obs

○ 2016-12-04 06:22:40
● 2017-08-17 05:39:30
○ 2026-02-17 06:32:00
○ 2026-03-28 00:41:04

○A104.27.179.902017-08-17 → 2017-08-17 · 4 obs

○ 2016-12-04 06:22:40
● 2017-08-17 05:39:30
○ 2026-02-17 06:32:00
○ 2026-03-28 00:41:04

●A173.230.136.1652026-02-17 → 2026-03-28 · 3 obs

○ 2017-08-17 05:39:30
● 2026-02-17 06:32:00
● 2026-03-28 00:41:04

○A216.250.121.622016-12-04 → 2016-12-04 · 4 obs

○ 2016-04-27 06:43:44
● 2016-12-04 06:22:40
○ 2017-08-17 05:39:30
○ 2026-03-28 00:41:04

○A74.208.59.842008-04-10 → 2016-04-27 · 4 obs

● 2008-04-10 01:48:48
● 2016-04-27 06:43:44
○ 2016-12-04 06:22:40
○ 2026-03-28 00:41:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
opsecprofessionals.org	ns2.linode.com, ns1.linode.com	-

✅ Authoritative Response

Server:92.123.94.3

NS records: ns2.linode.com, ns1.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opsecprofessionals.org (unsigned zone)

⏱️ Timing

Total: 485ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`173.230.136.165`
NS	5	`ns2.linode.com, ns5.linode.com...`
MX	2	`mail1.opsecprofessionals.org (pri: 10), mail2.opsecprofessionals.org (pri: 20)`
SOA	1	`ns1.linode.com admin.opsecprofessionals.`

Analysis

Hierarchy

opsecprofessionals.org is a parent of mail2.opsecprofessionals.org, www.opsecprofessionals.org and mail1.opsecprofessionals.org.

IP Addresses

opsecprofessionals.org points to IP number: 173.230.136.165.

Other host names such as mail1.statsman.info, mail1.infotonline.com, olympiatoday.com, mail1.daleklinks.co.uk and mail1.designinghealthycommunities.org share IPs with opsecprofessionals.org.

Name Servers

opsecprofessionals.org is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.

opsecprofessionals.org at least partially shares name servers with other domains, for instance gpf-comics.com, airmatic.com, laserlance.com, onedaydeals.com and lelo2020.ge.