`iscastle.com`

DNSSEC	⚠️ Not signed
A	20.62.199.123^{🇺🇸 Microsoft20.48.0.0/12}
NS	`ns1-35.azure-dns.com` ⭐
		A	2603:1061:0:10::23^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-35.azure-dns.com`
		A	150.171.10.35^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns1-35.azure-dns.com`
NS	`ns2-35.azure-dns.net`
		A	2620:1ec:8ec:10::23^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-35.azure-dns.net`
		A	150.171.16.35^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-35.azure-dns.net`
NS	`ns3-35.azure-dns.org`
		A	2a01:111:4000:10::23^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-35.azure-dns.org`
		A	13.107.222.35^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns3-35.azure-dns.org`
NS	`ns4-35.azure-dns.info`
		A	2620:1ec:bda:10::23^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-35.azure-dns.info`
		A	13.107.206.35^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns4-35.azure-dns.info`
MX	`us2.mx1.mailhostbox.com` ⭐
		A	162.215.3.26^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-26.unifiedlayer.com`
MX	`us2.mx2.mailhostbox.com` ⭐
		A	162.215.2.27^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-2-27.unifiedlayer.com`
MX	`us2.mx3.mailhostbox.com` ⭐
		A	162.215.3.25^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-25.unifiedlayer.com`
TXT	`v=spf1 redirect=_spf.mailhostbox.com`
SOA	`ns1-35.azure-dns.com`azuredns-hostmaster@microsoft.com serial=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=1777012751

Previously MX for

iscastle.com

Same first word

iscastle.com

Similar names

DNS History

15 records (8 active, 7 former)

●NSns1-35.azure-dns.com2026-04-16 → 2026-04-24 · 3 obs

○ 2018-01-19 02:37:42
● 2026-04-16 14:16:46
● 2026-04-24 06:41:14

○NSns1.serversecuredns.com2018-01-19 → 2018-01-19 · 4 obs

○ 2016-12-20 18:40:28
● 2018-01-19 02:37:42
○ 2026-04-16 14:16:46
○ 2026-04-24 06:41:14

●NSns2-35.azure-dns.net2026-04-16 → 2026-04-24 · 3 obs

○ 2018-01-19 02:37:42
● 2026-04-16 14:16:46
● 2026-04-24 06:41:14

○NSns2.serversecuredns.com2018-01-19 → 2018-01-19 · 4 obs

○ 2016-12-20 18:40:28
● 2018-01-19 02:37:42
○ 2026-04-16 14:16:46
○ 2026-04-24 06:41:14

●NSns3-35.azure-dns.org2026-04-16 → 2026-04-24 · 3 obs

○ 2018-01-19 02:37:42
● 2026-04-16 14:16:46
● 2026-04-24 06:41:14

●NSns4-35.azure-dns.info2026-04-16 → 2026-04-24 · 3 obs

○ 2018-01-19 02:37:42
● 2026-04-16 14:16:46
● 2026-04-24 06:41:14

○NSns51.onecloudy.info2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 18:40:28
○ 2018-01-19 02:37:42
○ 2026-04-24 06:41:14

○NSns52.onecloudy.info2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 18:40:28
○ 2018-01-19 02:37:42
○ 2026-04-24 06:41:14

○MXiscastle.com2016-12-20 → 2018-01-19 · 4 obs

● 2016-12-20 18:40:28
● 2018-01-19 02:37:42
○ 2026-04-16 14:16:46
○ 2026-04-24 06:41:14

●MXus2.mx1.mailhostbox.com2026-04-16 → 2026-04-24 · 3 obs

○ 2018-01-19 02:37:42
● 2026-04-16 14:16:46
● 2026-04-24 06:41:14

●MXus2.mx2.mailhostbox.com2026-04-16 → 2026-04-24 · 3 obs

○ 2018-01-19 02:37:42
● 2026-04-16 14:16:46
● 2026-04-24 06:41:14

●MXus2.mx3.mailhostbox.com2026-04-16 → 2026-04-24 · 3 obs

○ 2018-01-19 02:37:42
● 2026-04-16 14:16:46
● 2026-04-24 06:41:14

○A107.158.162.842018-01-19 → 2018-01-19 · 4 obs

○ 2016-12-20 18:40:28
● 2018-01-19 02:37:42
○ 2026-04-16 14:16:46
○ 2026-04-24 06:41:14

○A151.80.27.1822016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 18:40:28
○ 2018-01-19 02:37:42
○ 2026-04-24 06:41:14

●A20.62.199.1232026-04-16 → 2026-04-24 · 3 obs

○ 2018-01-19 02:37:42
● 2026-04-16 14:16:46
● 2026-04-24 06:41:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
iscastle.com	ns1-35.azure-dns.com, ns2-35.azure-dns.net, ns3-35.azure-dns.org, ns4-35.azure-dns.info	2 records

✅ Authoritative Response

Server:13.107.206.35

NS records: ns1-35.azure-dns.com, ns2-35.azure-dns.net, ns3-35.azure-dns.org, ns4-35.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iscastle.com (unsigned zone)

⏱️ Timing

Total: 347ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.62.199.123`
NS	4	`ns1-35.azure-dns.com, ns2-35.azure-dns.net...`
MX	3	`us2.mx3.mailhostbox.com (pri: 100), us2.mx1.mailhostbox.com (pri: 100)...`
TXT	1	`v=spf1 redirect=_spf.mailhostbox.com`
SOA	1	`ns1-35.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-35.azure-dns.com, ns1-35.azure-dns.com)

Analysis

IP Addresses

iscastle.com points to a single IP address: 20.62.199.123.

Name Servers

iscastle.com is delegated to four name servers: ns1-35.azure-dns.com, ns4-35.azure-dns.info, ns2-35.azure-dns.net and ns3-35.azure-dns.org.

At least part of the name servers for iscastle.com are shared with other domains, for instance virtuawatt.net, metrocorp.com.ar, c5b62efe42074e856d6d9e50c9fc58.pamx1.hotmail.com, annington.net and autodiscover.tc.

Host names with two IP numbers:

ns1-35.azure-dns.com points to: 2603:1061:0:10::23 and 150.171.10.35

ns4-35.azure-dns.info points to: 2620:1ec:bda:10::23 and 13.107.206.35

ns2-35.azure-dns.net points to: 2620:1ec:8ec:10::23 and 150.171.16.35

ns3-35.azure-dns.org points to: 2a01:111:4000:10::23 and 13.107.222.35

Mail Servers

Three mail servers handle iscastle.com: us2.mx1.mailhostbox.com, us2.mx2.mailhostbox.com and us2.mx3.mailhostbox.com.

iscastle.com shares at least some mail servers with other domains, for example thisse.pf, allinserv.com, geminicorp.biz, dadamo.org and dco.do.

these mail servers are often used together with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with a single IP:

us2.mx1.mailhostbox.com points to: 162.215.3.26

us2.mx2.mailhostbox.com points to: 162.215.2.27

us2.mx3.mailhostbox.com points to: 162.215.3.25

iscastle.com - robtex.com

iscastle.com

com

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`iscastle.com`

`com`