`hamstudy.us`

DNSSEC	⚠️ Not signed
A	162.255.119.231^{🇺🇸 NAMCHEAP-PH162.255.119.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
NS	`dns3.registrar-servers.com` ⚠️ Not in zone NS records
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns4.registrar-servers.com` ⚠️ Not in zone NS records
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:2801::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f26.1e100.net`
		A	192.178.128.26^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4013:c1e::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	192.178.213.26^{🇺🇸 Google192.178.213.0/24}
			PTR	`yugrqzs-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`aspmx4.googlemail.com`⁽³⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`aspmx5.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1637129571

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1778564622

Same first word

hamstudy.com

hamstudy.us

hamstudy.dev

hamstudy.org

DNS History

14 records (12 active, 2 former)

●NSdns1.registrar-servers.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

●NSdns2.registrar-servers.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

●NSdns3.registrar-servers.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

●NSdns4.registrar-servers.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

○NSdns5.registrar-servers.com2015-05-13 → 2016-08-09 · 4 obs

● 2015-05-13 05:43:18
● 2016-08-09 07:15:44
○ 2026-05-10 22:59:00
○ 2026-05-12 06:20:34

●MXalt1.aspmx.l.google.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

●MXalt2.aspmx.l.google.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

●MXaspmx.l.google.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

●MXaspmx2.googlemail.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

●MXaspmx3.googlemail.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

●MXaspmx4.googlemail.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

●MXaspmx5.googlemail.com2015-05-13 → 2026-05-12 · 2 obs

● 2015-05-13 05:43:18
● 2026-05-12 06:20:34

●A162.255.119.2312026-05-10 → 2026-05-12 · 3 obs

○ 2016-08-09 07:15:44
● 2026-05-10 22:59:00
● 2026-05-12 06:20:34

○A192.64.119.22015-05-13 → 2016-08-09 · 4 obs

● 2015-05-13 05:43:18
● 2016-08-09 07:15:44
○ 2026-05-10 22:59:00
○ 2026-05-12 06:20:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, w.cctld.us, x.cctld.us, y.cctld.us...	-
hamstudy.us	dns1.registrar-servers.com, dns3.registrar-servers.com, dns2.registrar-servers.com, dns4.registrar-servers.com	-

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns3.registrar-servers.com, dns2.registrar-servers.com, dns4.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hamstudy.us (unsigned zone)

⏱️ Timing

Total: 755ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.255.119.231`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	7	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`dns1.registrar-servers.com hostmaster.re`