studyho.com - dns.ninja

`studyho.com`

DNSSEC	⚠️ Not signed
A	162.255.119.80^{🇺🇸 NAMCHEAP-PH162.255.119.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
NS	`pdns1.registrar-servers.com` ⭐
		A	2610:a1:1024::100^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
		A	156.154.132.100^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
NS	`pdns2.registrar-servers.com`
		A	2610:a1:1025::100^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
		A	156.154.133.100^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
TXT	`apple-domain=L8nmpbdXTI11LGV0`
TXT	`v=spf1 include:icloud.com ~all`
TXT	`bm2luD2OzuaY26nQRs+EuZAQ5IbNF7SHe3gp6ojDesU=`
TXT	`google-site-verification=SwWK6IMesCqDdJuqdmFI3UFD-LbiMiHo_eMbKoCt2w8`
SOA	`pdns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1718345031

`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=1785293717

WOT: SAFE (60/100)

Subdomains

sc2.studyho.com

www.studyho.com

Same first word

studyho.com

Similar names

ohstudy.com

ohstudy.net

sdyouth.net

dsyouth.or.kr

youthds.com

sdyouth.org

duyhost.com

DNS History

13 records (5 active, 8 former)

○NSdns1.registrar-servers.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 01:09:46
○ 2026-02-22 01:00:16
○ 2026-07-29 03:25:12

○NSdns2.registrar-servers.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 01:09:46
○ 2026-02-22 01:00:16
○ 2026-07-29 03:25:12

●NSpdns1.registrar-servers.com2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-08 01:09:46
● 2026-02-22 01:00:16
● 2026-07-29 03:25:12

●NSpdns2.registrar-servers.com2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-08 01:09:46
● 2026-02-22 01:00:16
● 2026-07-29 03:25:12

○MXeforward1.registrar-servers.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 01:09:46
○ 2026-02-22 01:00:16
○ 2026-07-29 03:25:12

○MXeforward2.registrar-servers.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 01:09:46
○ 2026-02-22 01:00:16
○ 2026-07-29 03:25:12

○MXeforward3.registrar-servers.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 01:09:46
○ 2026-02-22 01:00:16
○ 2026-07-29 03:25:12

○MXeforward4.registrar-servers.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 01:09:46
○ 2026-02-22 01:00:16
○ 2026-07-29 03:25:12

○MXeforward5.registrar-servers.com2017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 01:09:46
○ 2026-02-22 01:00:16
○ 2026-07-29 03:25:12

●MXmx01.mail.icloud.com2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-08 01:09:46
● 2026-02-22 01:00:16
● 2026-07-29 03:25:12

●MXmx02.mail.icloud.com2026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-08 01:09:46
● 2026-02-22 01:00:16
● 2026-07-29 03:25:12

○A13.228.59.2032017-09-08 → 2017-09-08 · 3 obs

● 2017-09-08 01:09:46
○ 2026-02-22 01:00:16
○ 2026-07-29 03:25:12

●A162.255.119.802026-02-22 → 2026-07-29 · 3 obs

○ 2017-09-08 01:09:46
● 2026-02-22 01:00:16
● 2026-07-29 03:25:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studyho.com	pdns1.registrar-servers.com, pdns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.133.100

NS records: pdns1.registrar-servers.com, pdns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyho.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.255.119.80`
NS	2	`pdns1.registrar-servers.com, pdns2.registrar-servers.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	4	`apple-domain=L8nmpbdXTI11LGV0, v=spf1 include:icloud.com ~all...`
SOA	1	`pdns1.registrar-servers.com hostmaster.r`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (pdns1.registrar-servers.com, pdns1.registrar-servers.com, pdns2.registrar-servers.com...)

Analysis

Hierarchy

studyho.com is the parent domain of sc2.studyho.com and www.studyho.com.

IP Addresses

studyho.com points to a single IP number: 162.255.119.80.

Additional host names — couponshowroom.com, free3x.com, 80s.design and two others — share IP numbers with studyho.com.

Name Servers

studyho.com has two authoritative name servers — pdns1.registrar-servers.com and pdns2.registrar-servers.com.

studyho.com shares its name server setup with other domains, including rinne.tech, kursero.cloud, volitionamps.com and two others.

Some name servers delegated to studyho.com are also used by other domains, notably brother.com.ph and globus.ae.

Both pdns1.registrar-servers.com and pdns2.registrar-servers.com have two IP addresses each. pdns1.registrar-servers.com resolves to 156.154.132.100 and 2610:a1:1024::100; pdns2.registrar-servers.com resolves to 156.154.133.100 and 2610:a1:1025::100.

Mail Servers

studyho.com has two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

studyho.com shares the same mail server setup as other domains, including inachan.com, erichenke.com, meme.tf and two others.

The mail servers of studyho.com overlap at least partially with those of other domains, including beduk.net, mashina.world and bbst.us.

Host names with 6 IP numbers:

mx01.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

mx02.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.42.251.62 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.56.9.31 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.152.5 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.154.33 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.155.25 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.156.30 IP addresses.