`securityisknowledge.com`

DNSSEC	⚠️ Not signed
A	91.228.166.47^{🇸🇰 ESET-AS91.228.166.0/24 ESET NET}
		PTR	`skh1-webredir01-v.eset.com`
A	91.228.167.128^{🇸🇰 ESET-AS91.228.167.0/24 ESET NET}
NS	`dns1.p08.nsone.net` ⭐
		A	2620:4d:4000:6259:7:8:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`ns8.demysdns.com`
			PTR	`dns1.p08.nsone.net`
		A	198.51.44.8^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`ns8.demysdns.com`
			PTR	`dns1.p08.nsone.net`
NS	`dns2.p08.nsone.net`
		A	2a00:edc0:6259:7:8::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p08.nsone.net`
		A	198.51.45.8^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p08.nsone.net`
NS	`dns3.p08.nsone.net`
		A	2620:4d:4000:6259:7:8:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p08.nsone.net`
		A	198.51.44.72^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p08.nsone.net`
NS	`dns4.p08.nsone.net`
		A	2a00:edc0:6259:7:8::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p08.nsone.net`
		A	198.51.45.72^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p08.nsone.net`
MX	`a.mx.eset.com` ⭐
		A	91.228.165.113^{🇸🇰 ESET-AS91.228.165.0/24 ESET NET}
			PTR	`a.mx.eset.com`
MX	`b.mx.eset.com`⁽⁵⁰⁾
		A	91.228.167.41^{🇸🇰 ESET-AS91.228.167.0/24 ESET NET}
			PTR	`b.mx.eset.com`
TXT	`v=spf1 mx -all`
SOA	`dns1.p08.nsone.net`domains@eset.com serial=1604054843

`com`

	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=1785427942

Same first word

securityisknowledge.com

DNS History

12 records (8 active, 4 former)

●NSdns1.p08.nsone.net2026-07-16 → 2026-07-30 · 3 obs

○ 2017-03-21 02:58:24
● 2026-07-16 12:33:56
● 2026-07-30 16:19:52

●NSdns2.p08.nsone.net2026-07-16 → 2026-07-30 · 3 obs

○ 2017-03-21 02:58:24
● 2026-07-16 12:33:56
● 2026-07-30 16:19:52

●NSdns3.p08.nsone.net2026-07-16 → 2026-07-30 · 3 obs

○ 2017-03-21 02:58:24
● 2026-07-16 12:33:56
● 2026-07-30 16:19:52

●NSdns4.p08.nsone.net2026-07-16 → 2026-07-30 · 3 obs

○ 2017-03-21 02:58:24
● 2026-07-16 12:33:56
● 2026-07-30 16:19:52

○NSns1.worldnic.com2015-08-11 → 2017-03-21 · 4 obs

● 2015-08-11 19:30:28
● 2017-03-21 02:58:24
○ 2026-07-16 12:33:56
○ 2026-07-30 16:19:52

○NSns2.worldnic.com2015-08-11 → 2017-03-21 · 4 obs

● 2015-08-11 19:30:28
● 2017-03-21 02:58:24
○ 2026-07-16 12:33:56
○ 2026-07-30 16:19:52

●MXa.mx.eset.com2026-07-16 → 2026-07-30 · 3 obs

○ 2017-03-21 02:58:24
● 2026-07-16 12:33:56
● 2026-07-30 16:19:52

●MXb.mx.eset.com2026-07-16 → 2026-07-30 · 3 obs

○ 2017-03-21 02:58:24
● 2026-07-16 12:33:56
● 2026-07-30 16:19:52

○MXp.webcom.ctmail.com2015-12-06 → 2017-03-21 · 4 obs

● 2015-12-06 22:15:06
● 2017-03-21 02:58:24
○ 2026-07-16 12:33:56
○ 2026-07-30 16:19:52

○A208.91.197.272015-08-11 → 2017-03-21 · 4 obs

● 2015-08-11 19:30:28
● 2017-03-21 02:58:24
○ 2026-07-16 12:33:56
○ 2026-07-30 16:19:52

●A91.228.166.472026-07-16 → 2026-07-30 · 3 obs

○ 2017-03-21 02:58:24
● 2026-07-16 12:33:56
● 2026-07-30 16:19:52

●A91.228.167.1282026-07-16 → 2026-07-30 · 3 obs

○ 2017-03-21 02:58:24
● 2026-07-16 12:33:56
● 2026-07-30 16:19:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
securityisknowledge.com	dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net, dns4.p08.nsone.net	-

✅ Authoritative Response

Server:198.51.45.8

NS records: dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net, dns4.p08.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for securityisknowledge.com (unsigned zone)

⏱️ Timing

Total: 209ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`91.228.166.47, 91.228.167.128`
NS	4	`dns1.p08.nsone.net, dns2.p08.nsone.net...`
MX	2	`a.mx.eset.com (pri: 10), b.mx.eset.com (pri: 50)`
TXT	1	`v=spf1 mx -all`
SOA	1	`dns1.p08.nsone.net domains.eset.com`

Analysis

IP Addresses

securityisknowledge.com points to the IP addresses 91.228.166.47 and 91.228.167.128

Among the host names that share IP numbers with securityisknowledge.com are esetestore.com, esetinternetsecurity.net, eset.co.uk and two others.

Name Servers

The domain securityisknowledge.com is delegated to these four name servers: dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net and dns4.p08.nsone.net.

The name servers of securityisknowledge.com overlap at least partially with those of other domains — among them lifecraftersky.com, pianoberkman.com, landonlambertlaw.com and two more.

These name servers commonly appear in delegations together with ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com and 7 other.

Each of the four hosts dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net and dns4.p08.nsone.net has two IP addresses. dns1.p08.nsone.net points to 198.51.44.8 and 2620:4d:4000:6259:7:8:0:1. dns2.p08.nsone.net points to 198.51.45.8 and 2a00:edc0:6259:7:8::2. dns3.p08.nsone.net points to 198.51.44.72 and 2620:4d:4000:6259:7:8:0:3. dns4.p08.nsone.net points to 198.51.45.72 and 2a00:edc0:6259:7:8::4.

Mail Servers

The MX records for securityisknowledge.com point to two mail servers: a.mx.eset.com and b.mx.eset.com.

securityisknowledge.com has the same mail server arrangement as a number of other domains, for example smarter-security.com, esetlivegrid.net, br.eset.com and two more.

securityisknowledge.com has mail servers in common with other domains — eset.com.pe being one example.

Both a.mx.eset.com and b.mx.eset.com have a single IP address each — a.mx.eset.com resolves to 91.228.165.113 while b.mx.eset.com resolves to 91.228.167.41.

securityisknowledge.com - robtex.com