`securitybrief.us`

DNSSEC	⚠️ Not signed
NS	`ns1.linode.com` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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 zone NS records
		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 zone NS records
		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 zone NS records
		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`

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1785438716

⚠️ On DNS blocklist: tif

Same first word

securitybrief.ie

securitybrief.com.au

securitybrief.news

securitybrief.co.nz

securitybrief.eu

securitybrief.asia

securitybrief.com

securitybrief.ca

securitybrief.co.uk

securitybrief.us

securitybrief.in

Similar names

fibersecurity.ir

fibresecurity.com

securityfiber.xyz

fibersecurity.com

fibersecurity.net

DNS History

10 records (5 active, 5 former)

●NSns1.linode.com2026-04-03 → 2026-07-30 · 3 obs

○ 2018-10-01 17:16:16
● 2026-04-03 22:17:06
● 2026-07-30 19:48:22

●NSns2.linode.com2026-04-03 → 2026-07-30 · 3 obs

○ 2018-10-01 17:16:16
● 2026-04-03 22:17:06
● 2026-07-30 19:48:22

●NSns3.linode.com2026-04-03 → 2026-07-30 · 3 obs

○ 2018-10-01 17:16:16
● 2026-04-03 22:17:06
● 2026-07-30 19:48:22

●NSns4.linode.com2026-04-03 → 2026-07-30 · 3 obs

○ 2018-10-01 17:16:16
● 2026-04-03 22:17:06
● 2026-07-30 19:48:22

●NSns5.linode.com2026-04-03 → 2026-07-30 · 3 obs

○ 2018-10-01 17:16:16
● 2026-04-03 22:17:06
● 2026-07-30 19:48:22

○NSns71.domaincontrol.com2015-06-16 → 2017-02-11 · 4 obs

● 2015-06-16 19:26:44
● 2017-02-11 10:42:16
○ 2018-10-01 17:16:16
○ 2026-07-30 19:48:22

○NSns72.domaincontrol.com2015-06-16 → 2017-02-11 · 4 obs

● 2015-06-16 19:26:44
● 2017-02-11 10:42:16
○ 2018-10-01 17:16:16
○ 2026-07-30 19:48:22

○MXmailstore1.secureserver.net2015-06-16 → 2017-02-11 · 4 obs

● 2015-06-16 19:26:44
● 2017-02-11 10:42:16
○ 2018-10-01 17:16:16
○ 2026-07-30 19:48:22

○MXsmtp.secureserver.net2015-06-16 → 2017-02-11 · 4 obs

● 2015-06-16 19:26:44
● 2017-02-11 10:42:16
○ 2018-10-01 17:16:16
○ 2026-07-30 19:48:22

○A50.63.202.532015-06-16 → 2017-02-11 · 4 obs

● 2015-06-16 19:26:44
● 2017-02-11 10:42:16
○ 2018-10-01 17:16:16
○ 2026-07-30 19:48:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	w.cctld.us, k.cctld.us, y.cctld.us, f.cctld.us...	-
securitybrief.us	ns5.linode.com, ns3.linode.com, ns2.linode.com, ns1.linode.com...	-

✅ Authoritative Response

Server:92.123.95.2

NS records: ns5.linode.com, ns3.linode.com, ns2.linode.com, ns1.linode.com, ns4.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for securitybrief.us (unsigned zone)

⏱️ Timing

Total: 551ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

securitybrief.us has five name servers, which are ns1.linode.com, ns2.linode.com, ns3.linode.com and two others.

securitybrief.us has at least partial name server overlap with other domains, such as jgimenez.info, penpm.com, ussec-connect.com and two others.

It is common to see these name servers used together with name servers ns4.linode.com and ns5.linode.com.

Hostnames that resolve to two IP addresses:

ns1.linode.com has two IP addresses: 92.123.94.2 and 2600:14c0:6::2.

ns2.linode.com has two IP addresses: 92.123.94.3 and 2600:14c0:6::3.

ns3.linode.com has two IP addresses: 92.123.95.3 and 2600:14c0:7::3.

ns4.linode.com has two IP addresses: 92.123.95.4 and 2600:14c0:7::4.

ns5.linode.com has two IP addresses: 92.123.95.2 and 2600:14c0:7::2.