arstud.com - dns.ninja
arstud.com
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.netnstld@verisign-grs.com serial=1782688675 | ||||||
Subdomains
Same first word
arstud.com |
Similar names
DNS History
25 records (10 active, 15 former)
○NSns-cloud-d1.googledomains.com2018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○NSns-cloud-d2.googledomains.com2018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○NSns-cloud-d3.googledomains.com2018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○NSns-cloud-d4.googledomains.com2018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○NSns09.domaincontrol.com2016-03-02 → 2016-07-04 · 4 obs
● 2016-07-04 21:34:56
○ 2017-02-16 05:00:08
○ 2026-06-28 23:45:34
○NSns10.domaincontrol.com2016-03-02 → 2016-07-04 · 4 obs
● 2016-07-04 21:34:56
○ 2017-02-16 05:00:08
○ 2026-06-28 23:45:34
●NSns33.domaincontrol.com2026-02-24 → 2026-06-28 · 3 obs
● 2026-02-24 05:44:24
● 2026-06-28 23:45:34
●NSns34.domaincontrol.com2026-02-24 → 2026-06-28 · 3 obs
● 2026-02-24 05:44:24
● 2026-06-28 23:45:34
●NSpdns11.domaincontrol.com2026-02-24 → 2026-06-28 · 3 obs
● 2026-02-24 05:44:24
● 2026-06-28 23:45:34
●NSpdns12.domaincontrol.com2026-02-24 → 2026-06-28 · 3 obs
● 2026-02-24 05:44:24
● 2026-06-28 23:45:34
●MXalt1.aspmx.l.google.com2026-02-24 → 2026-06-28 · 2 obs
● 2026-06-28 23:45:34
●MXalt2.aspmx.l.google.com2026-02-24 → 2026-06-28 · 2 obs
● 2026-06-28 23:45:34
●MXaspmx.l.google.com2026-02-24 → 2026-06-28 · 2 obs
● 2026-06-28 23:45:34
●MXaspmx2.googlemail.com2026-02-24 → 2026-06-28 · 2 obs
● 2026-06-28 23:45:34
●MXaspmx3.googlemail.com2026-02-24 → 2026-06-28 · 2 obs
● 2026-06-28 23:45:34
○A104.40.92.1072016-03-02 → 2016-03-02 · 3 obs
○ 2016-07-04 21:34:56
○ 2026-06-28 23:45:34
●A20.50.2.72026-02-24 → 2026-06-28 · 3 obs
● 2026-02-24 05:44:24
● 2026-06-28 23:45:34
○A2001:4860:4802:32::152018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○A2001:4860:4802:34::152018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○A2001:4860:4802:36::152018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○A2001:4860:4802:38::152018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○A216.239.32.212018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○A216.239.34.212018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○A216.239.36.212018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
○A216.239.38.212018-11-25 → 2018-11-25 · 4 obs
● 2018-11-25 13:54:38
○ 2026-02-24 05:44:24
○ 2026-06-28 23:45:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| arstud.com | ns33.domaincontrol.com, ns34.domaincontrol.com, pdns11.domaincontrol.com, pdns12.domaincontrol.com | 8 records |
✅ Authoritative Response
Server:97.74.106.17
NS records: ns33.domaincontrol.com, ns34.domaincontrol.com, pdns11.domaincontrol.com, pdns12.domaincontrol.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 167ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.50.2.7 |
| NS | 2 | pdns11.domaincontrol.com, pdns12.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| TXT | 2 | v=spf1 include:_spf.google.com include:s, google-site-verification=ISCfLwj8Q1XUCpc |
| SOA | 1 | pdns11.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns33.domaincontrol.com, ns33.domaincontrol.com, ns34.domaincontrol.com...)
Analysis
Hierarchy
arstud.com serves as the parent of app.arstud.com and beta.arstud.com.
IP Addresses
arstud.com has exactly one IP address — 20.50.2.7.
aspmx.l.google.com.speech.support, agi.net.ua, google.com.speech.support plus two other host names have IP numbers in common with arstud.com.
Name Servers
Four name servers handle the delegation for arstud.com: ns33.domaincontrol.com, ns34.domaincontrol.com, pdns11.domaincontrol.com and pdns12.domaincontrol.com.
At least some of arstud.com's name servers are shared with other domains, for example influenceforgood.org, jaychristophersalon.com, parksandpartners.com and two more.
Four hostnames, each resolving to a pair of IP addresses: ns33.domaincontrol.com directs to 97.74.106.17 and 2603:5:21a1::11; ns34.domaincontrol.com directs to 173.201.74.17 and 2603:5:22a1::11; pdns11.domaincontrol.com directs to 97.74.111.55 and 2603:5:21f2::37; pdns12.domaincontrol.com directs to 173.201.79.55 and 2603:5:22f2::37.
Mail Servers
arstud.com has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
At least some of the mail servers used by arstud.com are shared with other domains: azeth.net, ns500698.ns500758.ns500759.ns500736.ns500736.ns500698.ns500698.ns500698.ns500735.ns500619.ns500686.ns500619.ns500576.trackreceptor.com, ns500731.ns500754.ns500671.ns500742.ns500742.ns500754.ns500705.ns500649.ns500688.ns500678.tenderladiesbz.com and two others among them.
These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
The A records for aspmx2.googlemail.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.
The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.
The A records for aspmx.l.google.com return 142.251.167.26 and 2607:f8b0:4004:c06::1a.
The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1a IP addresses.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.27 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.