hamstudy.org - robtex.com

hamstudy.org

DNSSEC⚠️ Not signed
A2607:fa18:1000:20:44:40:48:40🇺🇸 XMISSION2607:fa18::/32 XMission
A44.40.48.40🇺🇸 XMISSION44.40.48.0/24 SIGNALSTUFF
NSns1.he.net ⭐
A2001:470:100::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.he.net
A216.218.130.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.he.net
NSns2.he.net
A2001:470:200::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns2.he.net
A216.218.131.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns2.he.net
NSns3.he.net
A2001:470:300::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.he.net
A216.218.132.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.he.net
NSns4.he.net
A2001:470:400::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns4.he.net
A216.66.1.2🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA
PTRns4.he.net
NSns5.he.net
A2001:470:500::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns5.he.net
A216.66.80.18🇺🇸 HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA
PTRns5.he.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c23::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadrs-in-f26.1e100.net
A192.178.155.27🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTgoogle-site-verification=cvaRakf8AZFXcbmIMF8HT75LSPYIalk7XBsCGaUUBvI
TXTgoogle-site-verification=batzivvv7XTdx0C2ZwbCQaa7KwO0H1s8KX4-9nomvKo
TXTv=spf1 include:_spf.google.com include:ve.tools -all
SOAns1.he.nethostmaster@he.net 2026-07-10 #0

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1783839846
rank #126045 globally
rank #11056 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (76/100)
📈 Tranco rank: #147,352

PTR for

40.48.40.44.in-addr.arpa

Subdomains

beta.hamstudy.org
test.hamstudy.org
www.hamstudy.org

Same first word

hamstudy.com
hamstudy.us
hamstudy.dev
hamstudy.org

DNS History

26 records (12 active, 14 former)

20162017201820192020202120222023202420252026NSns1.he.netns2.he.netns3.he.netns4.he.netns5.he.netelsa.ns.cloudflare.comgreg.ns.cloudflare.comns0.dnsmadeeasy.comns1.dnsmadeeasy.comns2.dnsmadeeasy.comns3.dnsmadeeasy.comns4.dnsmadeeasy.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA2607:fa18:1000:20:44:40:48:4044.40.48.40166.70.173.153166.70.173.157192.41.95.30
○NSelsa.ns.cloudflare.com2015-08-14 → 2015-12-18 · 4 obs
● 2015-08-14 19:48:10
● 2015-12-18 08:32:52
○ 2016-03-24 06:33:38
○ 2026-07-12 07:38:26
○NSgreg.ns.cloudflare.com2015-08-14 → 2015-12-18 · 4 obs
● 2015-08-14 19:48:10
● 2015-12-18 08:32:52
○ 2016-03-24 06:33:38
○ 2026-07-12 07:38:26
○NSns0.dnsmadeeasy.com2016-03-24 → 2017-05-08 · 5 obs
○ 2015-12-18 08:32:52
● 2016-03-24 06:33:38
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
○NSns1.dnsmadeeasy.com2016-03-24 → 2017-05-08 · 5 obs
○ 2015-12-18 08:32:52
● 2016-03-24 06:33:38
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
●NSns1.he.net2026-02-16 → 2026-07-12 · 3 obs
○ 2017-05-08 02:47:04
● 2026-02-16 15:24:20
● 2026-07-12 07:38:26
○NSns2.dnsmadeeasy.com2016-03-24 → 2017-05-08 · 5 obs
○ 2015-12-18 08:32:52
● 2016-03-24 06:33:38
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
●NSns2.he.net2026-02-16 → 2026-07-12 · 3 obs
○ 2017-05-08 02:47:04
● 2026-02-16 15:24:20
● 2026-07-12 07:38:26
○NSns3.dnsmadeeasy.com2016-03-24 → 2017-05-08 · 5 obs
○ 2015-12-18 08:32:52
● 2016-03-24 06:33:38
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
●NSns3.he.net2026-02-16 → 2026-07-12 · 3 obs
○ 2017-05-08 02:47:04
● 2026-02-16 15:24:20
● 2026-07-12 07:38:26
○NSns4.dnsmadeeasy.com2016-03-24 → 2017-05-08 · 5 obs
○ 2015-12-18 08:32:52
● 2016-03-24 06:33:38
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
●NSns4.he.net2026-02-16 → 2026-07-12 · 3 obs
○ 2017-05-08 02:47:04
● 2026-02-16 15:24:20
● 2026-07-12 07:38:26
●NSns5.he.net2026-02-16 → 2026-07-12 · 3 obs
○ 2017-05-08 02:47:04
● 2026-02-16 15:24:20
● 2026-07-12 07:38:26
●MXalt1.aspmx.l.google.com2015-08-14 → 2026-07-12 · 2 obs
● 2015-08-14 19:48:10
● 2026-07-12 07:38:26
●MXalt2.aspmx.l.google.com2015-08-14 → 2026-07-12 · 2 obs
● 2015-08-14 19:48:10
● 2026-07-12 07:38:26
●MXalt3.aspmx.l.google.com2026-02-16 → 2026-07-12 · 3 obs
○ 2017-05-08 02:47:04
● 2026-02-16 15:24:20
● 2026-07-12 07:38:26
●MXalt4.aspmx.l.google.com2026-02-16 → 2026-07-12 · 3 obs
○ 2017-05-08 02:47:04
● 2026-02-16 15:24:20
● 2026-07-12 07:38:26
●MXaspmx.l.google.com2015-08-14 → 2026-07-12 · 2 obs
● 2015-08-14 19:48:10
● 2026-07-12 07:38:26
○MXaspmx2.googlemail.com2015-08-14 → 2017-05-08 · 4 obs
● 2015-08-14 19:48:10
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
○MXaspmx3.googlemail.com2015-08-14 → 2017-05-08 · 4 obs
● 2015-08-14 19:48:10
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
○MXaspmx4.googlemail.com2015-08-14 → 2017-05-08 · 4 obs
● 2015-08-14 19:48:10
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
○MXaspmx5.googlemail.com2015-08-14 → 2017-05-08 · 4 obs
● 2015-08-14 19:48:10
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
○A166.70.173.1532015-12-18 → 2016-03-24 · 5 obs
○ 2015-08-14 19:48:10
● 2015-12-18 08:32:52
● 2016-03-24 06:33:38
○ 2017-02-08 12:00:10
○ 2026-07-12 07:38:26
○A166.70.173.1572017-02-08 → 2017-05-08 · 5 obs
○ 2016-03-24 06:33:38
● 2017-02-08 12:00:10
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
○A192.41.95.302015-08-14 → 2017-05-08 · 4 obs
● 2015-08-14 19:48:10
● 2017-05-08 02:47:04
○ 2026-02-16 15:24:20
○ 2026-07-12 07:38:26
●A2607:fa18:1000:20:44:40:48:402026-02-16 → 2026-07-12 · 3 obs
○ 2017-05-08 02:47:04
● 2026-02-16 15:24:20
● 2026-07-12 07:38:26
●A44.40.48.402026-02-16 → 2026-07-12 · 3 obs
○ 2017-05-08 02:47:04
● 2026-02-16 15:24:20
● 2026-07-12 07:38:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
hamstudy.orgns2.he.net, ns5.he.net, ns3.he.net, ns1.he.net...-

✅ Authoritative Response

Server:216.218.131.2

NS records: ns2.he.net, ns5.he.net, ns3.he.net, ns1.he.net, ns4.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hamstudy.org (unsigned zone)

⏱️ Timing

Total: 1049ms | Queries: -

📄 Records

TypeCountSample Data
A144.40.48.40
AAAA12607:fa18:1000:20:44:40:48:40
NS5ns5.he.net, ns2.he.net...
MX5alt2.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)...
TXT3google-site-verification=cvaRakf8AZFXcbm, google-site-verification=batzivvv7XTdx0C...
SOA1ns1.he.net hostmaster.he.net

Analysis

Hierarchy

hamstudy.org is a parent domain, with beta.hamstudy.org, test.hamstudy.org and www.hamstudy.org beneath it.

IP Addresses

hamstudy.org directs to two IP numbers, 44.40.48.40 and 2607:fa18:1000:20:44:40:48:40

Other host names share IP numbers with hamstudy.org; ham.study is one such example.

Name Servers

Five name servers handle delegation for hamstudy.org: ns1.he.net, ns2.he.net, ns3.he.net and two others.

hamstudy.org has at least partial name server overlap with other domains, such as 224-27.7.4.62.in-addr.arpa, awlogan.net, cartagena.com.co and two others.

It is common to see these name servers used together with name servers ns4.he.net and ns5.he.net.

Host names pointing to two IP addresses:

ns1.he.net maps to two IP addresses — 216.218.130.2 and 2001:470:100::2.

ns2.he.net maps to two IP addresses — 216.218.131.2 and 2001:470:200::2.

ns3.he.net maps to two IP addresses — 216.218.132.2 and 2001:470:300::2.

ns4.he.net maps to two IP addresses — 216.66.1.2 and 2001:470:400::2.

ns5.he.net maps to two IP addresses — 216.66.80.18 and 2001:470:500::2.

Mail Servers

Mail for hamstudy.org is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by hamstudy.org are shared with other domains: nextdigital.com.tw, susek.cz, ns500759.ns500758.ns500758.ns500736.ns500735.ns500736.ns500736.ns500708.ns500698.ns500619.ns500619.ns500652.ns500576.trackreceptor.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com maps to two IP addresses — 192.178.155.27 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1b.