studybuddy.sg - robtex.com

studybuddy.sg

DNSSEC⚠️ Not signed
A165.232.164.206πŸ‡ΈπŸ‡¬ DIGITALOCEAN165.232.160.0/20 DigitalOcean
NSns1.digitalocean.com ⭐
A2606:4700:52::ac40:34d2πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210πŸ‡ΊπŸ‡Έ Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21πŸ‡ΊπŸ‡Έ Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209πŸ‡ΊπŸ‡Έ Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27πŸ‡ΊπŸ‡Έ Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26πŸ‡ΊπŸ‡Έ Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26πŸ‡ΊπŸ‡Έ Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26πŸ‡ΊπŸ‡Έ Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27πŸ‡ΊπŸ‡Έ Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
SOAns1.digitalocean.comhostmaster@studybuddy.sg serial=1692945863

sg

DNSSECπŸ”’ Signed (DS record present)
NSds.sgnic.sg ⭐
NSdsany2.sgnic.sg
NSdsany3.sgnic.sg
NSdsany4.sgnic.sg
NSns4.apnic.net ⚠️ Not in parent delegation πŸ”’
NSpch.sgzones.sg πŸ”’
SOAds.sgnic.sgdna@sgnic.sg serial=2603071100

Same first word

Similar names

DNS History

10 records (9 active, 1 former)

201820192020202120222023202420252026NSns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA165.232.164.206128.199.253.251
●NSns1.digitalocean.com2017-06-13 β†’ 2026-03-07 Β· 2 obs
● 2017-06-13 12:07:06
● 2026-03-07 15:44:26
●NSns2.digitalocean.com2017-06-13 β†’ 2026-03-07 Β· 2 obs
● 2017-06-13 12:07:06
● 2026-03-07 15:44:26
●NSns3.digitalocean.com2017-06-13 β†’ 2026-03-07 Β· 2 obs
● 2017-06-13 12:07:06
● 2026-03-07 15:44:26
●MXalt1.aspmx.l.google.com2026-02-24 β†’ 2026-03-07 Β· 2 obs
● 2026-02-24 17:26:26
● 2026-03-07 15:44:26
●MXalt2.aspmx.l.google.com2026-02-24 β†’ 2026-03-07 Β· 2 obs
● 2026-02-24 17:26:26
● 2026-03-07 15:44:26
●MXalt3.aspmx.l.google.com2026-02-24 β†’ 2026-03-07 Β· 2 obs
● 2026-02-24 17:26:26
● 2026-03-07 15:44:26
●MXalt4.aspmx.l.google.com2026-02-24 β†’ 2026-03-07 Β· 2 obs
● 2026-02-24 17:26:26
● 2026-03-07 15:44:26
●MXaspmx.l.google.com2026-02-24 β†’ 2026-03-07 Β· 2 obs
● 2026-02-24 17:26:26
● 2026-03-07 15:44:26
β—‹A128.199.253.2512017-06-13 β†’ 2017-06-13 Β· 3 obs
● 2017-06-13 12:07:06
β—‹ 2026-02-24 17:26:26
β—‹ 2026-03-07 15:44:26
●A165.232.164.2062026-02-24 β†’ 2026-03-07 Β· 3 obs
β—‹ 2017-06-13 12:07:06
● 2026-02-24 17:26:26
● 2026-03-07 15:44:26

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
sgdsany2.sgnic.sg, ns4.apnic.net, dsany4.sgnic.sg, pch.sgzones.sg...10 records
studybuddy.sgns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com-

βœ… Authoritative Response

Server: 172.64.52.210

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studybuddy.sg (unsigned zone)

⏱️ Timing

Total: 871ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1165.232.164.206
NS3ns3.digitalocean.com, ns1.digitalocean.com...
MX5alt3.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)...
TXT1v=spf1 include:_spf.google.com ~all
SOA1ns1.digitalocean.com hostmaster.studybud

πŸ“Œ Glue Records Collected

Total: 10

In-bailiwick: 8 (dsany4.sgnic.sg, dsany3.sgnic.sg, dsany2.sgnic.sg...)

Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)

Analysis

IP Addresses

studybuddy.sg resolves to a single IP address: 165.232.164.206.

Name Servers

studybuddy.sg is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

studybuddy.sg at least partially shares name servers with other domains, including felar.ca, 226.59.139.in-addr.arpa, itrudel.com, ranta.org and shoe.io.

Host names with two IP numbers:

ns1.digitalocean.com points to: 2606:4700:52::ac40:34d2 and 172.64.52.210

ns2.digitalocean.com points to: 2606:4700:5a::ac40:3515 and 172.64.53.21

ns3.digitalocean.com points to: 2606:4700:52::ac40:31d1 and 172.64.49.209

Mail Servers

studybuddy.sg is handled by five mail servers: 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.

The mail servers for studybuddy.sg are shared with other domains, for instance ns500699.ns500699.ns500693.ns500699.ns500699.ns500693.ns500693.ns500699.ns500588.ns500693.ns500632.ns500588.ns500588.ns500612.ns500588.ns500588.dtrkdll.com, hullshop.net, redfoxgraphics.com, austinblockcompany.com and ns500841.ns500841.ns500794.ns500794.ns500841.ns500795.ns500821.ns500821.ns500821.ns500795.ns500795.lustypartnersfinder.com.

These mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

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.