icostech.com - dns.ninja

`icostech.com`

DNSSEC	⚠️ Not signed
A	209.216.87.80^{🇺🇸 ACEHOST-TPA01209.216.87.0/24}
NS	`ns206.webmasters.com` ⭐
		A	209.216.87.79^{🇺🇸 ACEHOST-TPA01209.216.87.0/24}
			PTR	`ns206.webmasters.com`
NS	`dns1.webmasters.com`
		A	51.81.90.59^{🇺🇸 OVH51.81.0.0/17 Hosting route}
			PTR	`dns1.webmasters.com`
NS	`dns2.webmasters.com`
		A	209.216.86.8^{🇺🇸 ACEHOST-TPA01209.216.86.0/24}
			PTR	`dns2.webmasters.com`
NS	`dns3.webmasters.com`
		A	209.216.88.8^{🇺🇸 ACEHOST-TPA01209.216.88.0/24}
			PTR	`dns3.webmasters.com`
NS	`dns4.webmasters.com`
		A	51.81.250.19^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`dns4.webmasters.com`
MX	`mail.icostech.com` ⭐
		A	209.216.87.79^{🇺🇸 ACEHOST-TPA01209.216.87.0/24}
			PTR	`ns206.webmasters.com`
TXT	`v=spf1 ip4:209.216.87.79 ~all`
SOA	`ns206.webmasters.com`admin@webmasters.com serial=952591089

`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=1784179177

Subdomains

mail.icostech.com

Same first word

icostech.com

Similar names

DNS History

10 records (7 active, 3 former)

●NSdns1.webmasters.com2026-02-23 → 2026-07-16 · 3 obs

○ 2020-01-26 07:33:00
● 2026-02-23 10:26:12
● 2026-07-16 05:46:36

●NSdns2.webmasters.com2026-02-23 → 2026-07-16 · 3 obs

○ 2020-01-26 07:33:00
● 2026-02-23 10:26:12
● 2026-07-16 05:46:36

●NSdns3.webmasters.com2026-02-23 → 2026-07-16 · 3 obs

○ 2020-01-26 07:33:00
● 2026-02-23 10:26:12
● 2026-07-16 05:46:36

●NSdns4.webmasters.com2026-02-23 → 2026-07-16 · 3 obs

○ 2020-01-26 07:33:00
● 2026-02-23 10:26:12
● 2026-07-16 05:46:36

●NSns206.webmasters.com2026-02-23 → 2026-07-16 · 3 obs

○ 2020-01-26 07:33:00
● 2026-02-23 10:26:12
● 2026-07-16 05:46:36

○NSns23.webmasters.com2015-06-04 → 2020-01-26 · 4 obs

● 2015-06-04 14:46:28
● 2020-01-26 07:33:00
○ 2026-02-23 10:26:12
○ 2026-07-16 05:46:36

○NSns25.webmasters.com2015-06-04 → 2020-01-26 · 4 obs

● 2015-06-04 14:46:28
● 2020-01-26 07:33:00
○ 2026-02-23 10:26:12
○ 2026-07-16 05:46:36

●MXmail.icostech.com2015-06-04 → 2026-07-16 · 2 obs

● 2015-06-04 14:46:28
● 2026-07-16 05:46:36

○A208.64.137.1122015-06-04 → 2020-01-26 · 4 obs

● 2015-06-04 14:46:28
● 2020-01-26 07:33:00
○ 2026-02-23 10:26:12
○ 2026-07-16 05:46:36

●A209.216.87.802026-02-23 → 2026-07-16 · 3 obs

○ 2020-01-26 07:33:00
● 2026-02-23 10:26:12
● 2026-07-16 05:46:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...	-
icostech.com	dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com, dns4.webmasters.com	4 records

✅ Authoritative Response

Server:51.81.90.59

NS records: dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com, dns4.webmasters.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for icostech.com (unsigned zone)

⏱️ Timing

Total: 217ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.216.87.80`
NS	4	`dns4.webmasters.com, dns3.webmasters.com...`
MX	1	`mail.icostech.com (pri: 10)`
TXT	1	`v=spf1 ip4:209.216.87.79 ~all`
SOA	1	`ns206.webmasters.com admin.webmasters.co`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com...)

Analysis

Hierarchy

icostech.com serves as the parent of mail.icostech.com.

IP Addresses

icostech.com has exactly one IP address — 209.216.87.80.

savecpu.com, www.mainframetracker.com, rehobethtv.com plus two other host names have IP numbers in common with icostech.com.

Name Servers

Five name servers handle delegation for icostech.com: dns1.webmasters.com, dns2.webmasters.com, dns3.webmasters.com and two others.

icostech.com has at least partial name server overlap with other domains, such as maturechat.com, fratelloscatering.com, nf6x.net and two others.

dns4.webmasters.com, dns120.webmasters.com and dns112.webmasters.com — plus 7 other name servers — are commonly paired with these name servers.

Host names resolving to a single IP address:

dns1.webmasters.com has the IP address 51.81.90.59.

dns2.webmasters.com has the IP address 209.216.86.8.

dns3.webmasters.com has the IP address 209.216.88.8.

dns4.webmasters.com has the IP address 51.81.250.19.

ns206.webmasters.com has the IP address 209.216.87.79.

Mail Servers

icostech.com uses one mail server — mail.icostech.com.

mail.icostech.com directs to just one IP number, 209.216.87.79.