studylinkclasses.com - robtex.com

studylinkclasses.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:4366🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:dd14🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.67.102Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.221.20🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnina.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a88🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A2803:f800:50::6ca2:c088🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnina.ns.cloudflare.com
A2a06:98c1:50::ac40:2088🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnina.ns.cloudflare.com
A108.162.192.136🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A172.64.32.136🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A173.245.58.136🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
NSsantino.ns.cloudflare.com
A2606:4700:58::a29f:2c01🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsantino.ns.cloudflare.com
A2803:f800:50::6ca2:c301🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsantino.ns.cloudflare.com
A2a06:98c1:50::ac40:2301🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsantino.ns.cloudflare.com
A108.162.195.1🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsantino.ns.cloudflare.com
A162.159.44.1Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsantino.ns.cloudflare.com
A172.64.35.1🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsantino.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
MXaspmx2.googlemail.com(10)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXaspmx3.googlemail.com(10)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.26🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
TXTgoogle-site-verification=-MHOFhGmDppqNg2z7YJA3V2_aVh8OiM4wkdbIJIt_rc
TXTgoogle-site-verification=aPkQQk8TORiw647XbN9v2SXAEIt8tWzuXn3MshigTyU
TXTv=spf1 include:_spf.google.com a mx ip4:162.214.80.6 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.67.102, 172.67.221.20
IPv62606:4700:3035::6815:4366, 2606:4700:3035::ac43:dd14
SOAnina.ns.cloudflare.comdns@cloudflare.com serial=2398357656

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Subdomains

mail.studylinkclasses.com

Same first word

studylinkclasses.com

DNS History

20 records (13 active, 7 former)

20162017201820192020202120222023202420252026NSnina.ns.cloudflare.comsantino.ns.cloudflare.comns1.justhost.comns1.md-in-44.webhostbox.netns2.justhost.comns2.md-in-44.webhostbox.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.commail.studylinkclasses.comA104.21.67.102172.67.221.202606:4700:3035::6815:43662606:4700:3035::ac43:dd14173.254.28.9045.113.122.166
●NSnina.ns.cloudflare.com2026-03-23 → 2026-03-23 · 3 obs
○ 2017-11-26 21:09:18
● 2026-03-23 05:47:10
● 2026-03-23 07:18:14
○NSns1.justhost.com2015-08-03 → 2016-11-28 · 4 obs
● 2015-08-03 20:20:46
● 2016-11-28 20:16:08
○ 2017-11-26 21:09:18
○ 2026-03-23 07:18:14
○NSns1.md-in-44.webhostbox.net2017-11-26 → 2017-11-26 · 4 obs
○ 2016-11-28 20:16:08
● 2017-11-26 21:09:18
○ 2026-03-23 05:47:10
○ 2026-03-23 07:18:14
○NSns2.justhost.com2015-08-03 → 2016-11-28 · 4 obs
● 2015-08-03 20:20:46
● 2016-11-28 20:16:08
○ 2017-11-26 21:09:18
○ 2026-03-23 07:18:14
○NSns2.md-in-44.webhostbox.net2017-11-26 → 2017-11-26 · 4 obs
○ 2016-11-28 20:16:08
● 2017-11-26 21:09:18
○ 2026-03-23 05:47:10
○ 2026-03-23 07:18:14
●NSsantino.ns.cloudflare.com2026-03-23 → 2026-03-23 · 3 obs
○ 2017-11-26 21:09:18
● 2026-03-23 05:47:10
● 2026-03-23 07:18:14
●MXalt1.aspmx.l.google.com2017-11-26 → 2026-03-23 · 3 obs
○ 2016-11-28 20:16:08
● 2017-11-26 21:09:18
● 2026-03-23 07:18:14
●MXalt2.aspmx.l.google.com2017-11-26 → 2026-03-23 · 3 obs
○ 2016-11-28 20:16:08
● 2017-11-26 21:09:18
● 2026-03-23 07:18:14
●MXalt3.aspmx.l.google.com2017-11-26 → 2026-03-23 · 3 obs
○ 2016-11-28 20:16:08
● 2017-11-26 21:09:18
● 2026-03-23 07:18:14
●MXalt4.aspmx.l.google.com2017-11-26 → 2026-03-23 · 3 obs
○ 2016-11-28 20:16:08
● 2017-11-26 21:09:18
● 2026-03-23 07:18:14
●MXaspmx.l.google.com2017-11-26 → 2026-03-23 · 3 obs
○ 2016-11-28 20:16:08
● 2017-11-26 21:09:18
● 2026-03-23 07:18:14
●MXaspmx2.googlemail.com2026-03-23 → 2026-03-23 · 3 obs
○ 2017-11-26 21:09:18
● 2026-03-23 05:47:10
● 2026-03-23 07:18:14
●MXaspmx3.googlemail.com2026-03-23 → 2026-03-23 · 3 obs
○ 2017-11-26 21:09:18
● 2026-03-23 05:47:10
● 2026-03-23 07:18:14
○MXmail.studylinkclasses.com2015-08-03 → 2016-11-28 · 4 obs
● 2015-08-03 20:20:46
● 2016-11-28 20:16:08
○ 2017-11-26 21:09:18
○ 2026-03-23 07:18:14
●A104.21.67.1022026-03-23 → 2026-03-23 · 3 obs
○ 2017-11-26 21:09:18
● 2026-03-23 05:47:10
● 2026-03-23 07:18:14
●A172.67.221.202026-03-23 → 2026-03-23 · 3 obs
○ 2017-11-26 21:09:18
● 2026-03-23 05:47:10
● 2026-03-23 07:18:14
○A173.254.28.902015-08-03 → 2016-11-28 · 4 obs
● 2015-08-03 20:20:46
● 2016-11-28 20:16:08
○ 2017-11-26 21:09:18
○ 2026-03-23 07:18:14
●A2606:4700:3035::6815:43662026-03-23 → 2026-03-23 · 3 obs
○ 2017-11-26 21:09:18
● 2026-03-23 05:47:10
● 2026-03-23 07:18:14
●A2606:4700:3035::ac43:dd142026-03-23 → 2026-03-23 · 3 obs
○ 2017-11-26 21:09:18
● 2026-03-23 05:47:10
● 2026-03-23 07:18:14
○A45.113.122.1662017-11-26 → 2017-11-26 · 4 obs
○ 2016-11-28 20:16:08
● 2017-11-26 21:09:18
○ 2026-03-23 05:47:10
○ 2026-03-23 07:18:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
studylinkclasses.comnina.ns.cloudflare.com, santino.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.136

NS records: nina.ns.cloudflare.com, santino.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studylinkclasses.com (unsigned zone)

⏱️ Timing

Total: 178ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.221.20, 104.21.67.102
AAAA22606:4700:3035::ac43:dd14, 2606:4700:3035::6815:4366
NS2nina.ns.cloudflare.com, santino.ns.cloudflare.com
MX7aspmx.l.google.com (pri: 0), alt3.aspmx.l.google.com (pri: 10)...
TXT3google-site-verification=-MHOFhGmDppqNg2, google-site-verification=aPkQQk8TORiw647...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1nina.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nina.ns.cloudflare.com, nina.ns.cloudflare.com, nina.ns.cloudflare.com...)

Analysis

Hierarchy

studylinkclasses.com is a parent of mail.studylinkclasses.com.

IP Addresses

studylinkclasses.com resolves to four IPs: 2606:4700:3035::6815:4366, 2606:4700:3035::ac43:dd14, 104.21.67.102 and 172.67.221.20.

Other host names such as torel.com, wanyicehua.com, mail.(0x787878)hmn.net, leadomatic.xyz and www.i-safarli.com share IP numbers with studylinkclasses.com.

Name Servers

studylinkclasses.com is delegated to two name servers: nina.ns.cloudflare.com and santino.ns.cloudflare.com.

studylinkclasses.com uses the same name server setup as other domains, including theofficeresto.com, intechdesigns.in, dergoldenealuhut.de, kitchenetterestaurant.ca and passyunkavenue.com.

At least part of the name servers for studylinkclasses.com are shared with other domains, for instance spectrumhealthcare.biz, klientaservss.net, jstree.com, smsmagazine.com.au and nextzen.org.

Host names with six IP numbers:

nina.ns.cloudflare.com points to: 2606:4700:50::adf5:3a88, 2803:f800:50::6ca2:c088, 2a06:98c1:50::ac40:2088, 108.162.192.136, 172.64.32.136 and 173.245.58.136.

santino.ns.cloudflare.com points to: 2606:4700:58::a29f:2c01, 2803:f800:50::6ca2:c301, 2a06:98c1:50::ac40:2301, 108.162.195.1, 162.159.44.1 and 172.64.35.1.

Mail Servers

studylinkclasses.com is served by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, 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.

studylinkclasses.com shares at least some mail servers with other domains, for example ns500758.ns500698.ns500759.ns500698.ns500735.ns500736.ns500736.ns500736.ns500698.ns500708.ns500576.ns500619.ns500576.ns500576.ns500576.trackreceptor.com, ns500698.ns500698.ns500759.ns500735.ns500698.ns500735.ns500736.ns500698.ns500735.ns500698.ns500698.ns500698.ns500686.ns500652.trackreceptor.com, ns500693.ns500765.ns500693.ns500693.ns500734.ns500699.ns500699.ns500699.ns500699.ns500588.ns500693.ns500632.ns500632.ns500632.ns500612.dtrkdll.com, ns500699.ns500699.ns500693.ns500699.ns500734.ns500734.ns500699.ns500699.ns500588.ns500693.ns500699.ns500612.ns500588.ns500110.dtrkdll.com and ns500698.ns500698.ns500698.ns500735.ns500735.ns500698.ns500736.ns500698.ns500576.ns500708.ns500576.ns500698.ns500619.ns500619.ns500576.trackreceptor.com.

these mail servers are often used together with aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers

aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27

aspmx3.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26

alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26

alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27