oldstud.com - robtex.com

oldstud.com

DNSSEC⚠️ Not signed
A54.215.31.113🇺🇸 Amazon54.215.0.0/17 EC2 SFO prefix
PTRec2-54-215-31-113.us-west-1.compute.amazonaws.com
NSns1.dyna-ns.net ⭐
A2400:cb00:2049:1::a29f:1a5c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b9e🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.92Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dyna-ns.net
A162.159.27.158Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dyna-ns.net
NSns2.dyna-ns.net
A2400:cb00:2049:1::a29f:1805🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1905🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.24.5Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dyna-ns.net
A162.159.25.5Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dyna-ns.net
SOAns1.dyna-ns.nethostmaster@oldstud.com 2026-03-06 #2

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=1774618777

Same first word

oldstud.com

Similar names

studodl.com

DNS History

8 records (3 active, 5 former)

20162017201820192020202120222023202420252026NSns1.dyna-ns.netns2.dyna-ns.netns13.domaincontrol.comns14.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA54.215.31.11350.63.202.5
●NSns1.dyna-ns.net2026-03-27 → 2026-03-27 · 2 obs
○ 2017-12-04 12:41:04
● 2026-03-27 13:58:48
○NSns13.domaincontrol.com2015-06-06 → 2017-12-04 · 3 obs
● 2015-06-06 19:36:22
● 2017-12-04 12:41:04
○ 2026-03-27 13:58:48
○NSns14.domaincontrol.com2015-06-06 → 2017-12-04 · 3 obs
● 2015-06-06 19:36:22
● 2017-12-04 12:41:04
○ 2026-03-27 13:58:48
●NSns2.dyna-ns.net2026-03-27 → 2026-03-27 · 2 obs
○ 2017-12-04 12:41:04
● 2026-03-27 13:58:48
○MXmailstore1.secureserver.net2015-06-06 → 2017-12-04 · 3 obs
● 2015-06-06 19:36:22
● 2017-12-04 12:41:04
○ 2026-03-27 13:58:48
○MXsmtp.secureserver.net2015-06-06 → 2017-12-04 · 3 obs
● 2015-06-06 19:36:22
● 2017-12-04 12:41:04
○ 2026-03-27 13:58:48
○A50.63.202.52015-06-06 → 2017-12-04 · 3 obs
● 2015-06-06 19:36:22
● 2017-12-04 12:41:04
○ 2026-03-27 13:58:48
●A54.215.31.1132026-03-27 → 2026-03-27 · 2 obs
○ 2017-12-04 12:41:04
● 2026-03-27 13:58:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net...-
oldstud.comns2.dyna-ns.net, ns1.dyna-ns.net-

✅ Authoritative Response

Server:162.159.24.5

NS records: ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oldstud.com (unsigned zone)

⏱️ Timing

Total: 388ms | Queries: -

📄 Records

TypeCountSample Data
A154.215.31.113
NS2ns1.dyna-ns.net, ns2.dyna-ns.net
SOA1ns1.dyna-ns.net hostmaster.oldstud.com

Analysis

IP Addresses

oldstud.com points to a single IP: 54.215.31.113.

Other host names, for instance puerdi.com, cryptodrum.com, vuv.com, nullmx.divxplus.com and openo.co.uk share IP numbers with oldstud.com.

Name Servers

Two name servers ns1.dyna-ns.net and ns2.dyna-ns.net handle delegation for oldstud.com.

oldstud.com uses the same name server setup as other domains, for example megvan.com, xixtechnology.com, express-link.com, ao4ffqty.com and animpark.com.

Host names with four IP numbers

The host name ns1.dyna-ns.net points to 2400:cb00:2049:1::a29f:1a5c, 2400:cb00:2049:1::a29f:1b9e, 162.159.26.92 and 162.159.27.158

The host name ns2.dyna-ns.net points to 2400:cb00:2049:1::a29f:1805, 2400:cb00:2049:1::a29f:1905, 162.159.24.5 and 162.159.25.5