`infoshieldsecurity.com`

DNSSEC	⚠️ Not signed
A	199.195.146.139^{🇺🇸 CYBERLYNK199.195.144.0/22 Wisconsin CyberLynk Network, Inc. 10125 S 52nd Street Franklin, WI 53132 US}
		PTR	`unu.a2u2.com`
NS	`nsc1.a2u2.com` ⭐
		A	66.185.20.2^{🇺🇸 CYBERLYNK66.185.16.0/20 Wisconsin CyberLynk Network, Inc. 10125 S 52nd Street Franklin, WI 53132 US}
			PTR	`nsc1.a2u2.com`
NS	`nsc2.a2u2.com`
		A	66.185.27.33^{🇺🇸 CYBERLYNK66.185.16.0/20 Wisconsin CyberLynk Network, Inc. 10125 S 52nd Street Franklin, WI 53132 US}
			PTR	`nsc2.a2u2.com`
MX	`mx01.agentspam.com` ⭐
		A	66.185.17.54^{🇺🇸 CYBERLYNK66.185.16.0/20 Wisconsin CyberLynk Network, Inc. 10125 S 52nd Street Franklin, WI 53132 US}
			PTR	`sf02.spamfilteringcloud.com`
		A	66.185.17.56^{🇺🇸 CYBERLYNK66.185.16.0/20 Wisconsin CyberLynk Network, Inc. 10125 S 52nd Street Franklin, WI 53132 US}
			PTR	`sf03.spamfilteringcloud.com`
		A	66.185.17.58^{🇺🇸 CYBERLYNK66.185.16.0/20 Wisconsin CyberLynk Network, Inc. 10125 S 52nd Street Franklin, WI 53132 US}
			PTR	`sf04.spamfilteringcloud.com`
MX	`mx10.agentspam.com`⁽¹⁰⁾
		A	66.185.17.55^{🇺🇸 CYBERLYNK66.185.16.0/20 Wisconsin CyberLynk Network, Inc. 10125 S 52nd Street Franklin, WI 53132 US}
			PTR	`sf02.spamfilteringcloud.com`
		A	66.185.17.57^{🇺🇸 CYBERLYNK66.185.16.0/20 Wisconsin CyberLynk Network, Inc. 10125 S 52nd Street Franklin, WI 53132 US}
			PTR	`sf03.spamfilteringcloud.com`
		A	66.185.17.59^{🇺🇸 CYBERLYNK66.185.16.0/20 Wisconsin CyberLynk Network, Inc. 10125 S 52nd Street Franklin, WI 53132 US}
			PTR	`sf04.spamfilteringcloud.com`
TXT	`v=spf1 +mx +a +ip4:199.195.146.139 ~all`
SOA	`nsc1.a2u2.com`cpanel@cyberlynk.net 2025-12-31 #1

`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=1771291435

DNS History

6 records (5 active, 1 former)

●NSnsc1.a2u2.com2015-06-05 → 2026-02-26 · 2 obs

● 2015-06-05 16:05:24
● 2026-02-26 08:07:20

●NSnsc2.a2u2.com2015-06-05 → 2026-02-26 · 2 obs

● 2015-06-05 16:05:24
● 2026-02-26 08:07:20

●MXmx01.agentspam.com2015-06-05 → 2026-02-26 · 2 obs

● 2015-06-05 16:05:24
● 2026-02-26 08:07:20

●MXmx10.agentspam.com2015-06-05 → 2026-02-26 · 2 obs

● 2015-06-05 16:05:24
● 2026-02-26 08:07:20

●A199.195.146.1392020-01-27 → 2026-02-26 · 3 obs

○ 2017-03-22 17:39:08
● 2020-01-27 09:51:34
● 2026-02-26 08:07:20

○A199.195.146.1892015-06-05 → 2017-03-22 · 4 obs

● 2015-06-05 16:05:24
● 2017-03-22 17:39:08
○ 2020-01-27 09:51:34
○ 2026-02-26 08:07:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
infoshieldsecurity.com	nsc1.a2u2.com, nsc2.a2u2.com	-

✅ Authoritative Response

Server: 66.185.20.2

NS records: nsc1.a2u2.com, nsc2.a2u2.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for infoshieldsecurity.com (unsigned zone)

⏱️ Timing

Total: 67ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.195.146.139`
NS	2	`nsc2.a2u2.com, nsc1.a2u2.com`
MX	2	`mx01.agentspam.com (pri: 1), mx10.agentspam.com (pri: 10)`
TXT	1	`v=spf1 +mx +a +ip4:199.195.146.139 ~all`
SOA	1	`nsc1.a2u2.com cpanel.cyberlynk.net`

AI analysis

infoshieldsecurity.com resolves to a single IP: 199.195.146.139.

Other host names, for instance unu.a2u2.com, holmes.co.za, mail.megafortrisusa.com, s100a.ca and historyinnotime.com share IP numbers with infoshieldsecurity.com.

infoshieldsecurity.com has two name servers: nsc1.a2u2.com and nsc2.a2u2.com.

infoshieldsecurity.com shares the same name server setup as other domains, for example wmkstudio.com, gatecode.com, skyhound.net, notskurt.com and barebooks.com.

infoshieldsecurity.com shares some name servers with other domains, for example centerkey.com, ozhostmedia.com.au, cihcert.com, refereemagazine.com and ufcw1167.com.

these name servers are often used with ns1.centerkey.com, ns2.centerkey.com, ns1.umbrahosting.com, ns2.umbrahosting.com, ns1.referee.com, ns2.referee.com, ns2.perfectpresence.com, ns.perfectpresence.com, ns1.doreo.com and ns2.doreo.com.

Host names with a single IP:

nsc1.a2u2.com points to 66.185.20.2

nsc2.a2u2.com points to 66.185.27.33

infoshieldsecurity.com is served by two mail servers: mx01.agentspam.com and mx10.agentspam.com.

infoshieldsecurity.com shares the mail server setup with other domains, for example aranda.com, composerpennycorris.com, lit-man.com, corddepot.com and checkoutservers.net.

infoshieldsecurity.com shares some mail servers with other domains, at least partially; for instance montmark.com, glance.in, soselectronics.com, victorycompaniesofwisconsin.com and ia-dns.com.

Host names with three IP numbers: mx01.agentspam.com points to 66.185.17.54, 66.185.17.56 and 66.185.17.58; mx10.agentspam.com points to 66.185.17.55, 66.185.17.57 and 66.185.17.59.

infoshieldsecurity.com - robtex.com