atc-edu.com - robtex.com

atc-edu.com

DNSSEC⚠️ Not signed
A209.97.169.248🇸🇬 DIGITALOCEAN209.97.160.0/20 DigitalOcean
NSns1.digitalocean.com ⭐
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
MXmail.atc-edu.com ⭐
A162.241.230.55🇺🇸 ORACLE-OCI-31898162.241.224.0/21 Google
PTRbox5150.bluehost.com
TXTv=spf1 +a +mx +ip4:209.97.169.248 +ip4:162.241.230.55 include:websitewelcome....
SOAns1.digitalocean.comhostmaster@atc-edu.com serial=0

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=1778655341

Subdomains

mail.atc-edu.com

Same first word

atc-edu.com

Similar names

ueda-tc.com
cat-edu.com
act-edu.org
cat-edu.jp
tdc-uae.com
educa-t.com
edu-cat.org
e-ducat.org
educa-t.org
edu-act.nl
ueta-dc.com
ueta-dc.net
edu-cat.net
edu-cat.biz
t-educa.com
edu-cat.eu
edu-cat.com
t-educa.cl
act-edu.com
dtc-uae.com
e-ducat.com
e-ducta.com
ueta-dc.jp
edu-act.com

DNS History

11 records (5 active, 6 former)

201820192020202120222023202420252026NSns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comns21.domaincontrol.comns22.domaincontrol.comMXmail.atc-edu.commailstore1.secureserver.netsmtp.secureserver.netA209.97.169.248143.198.214.113182.50.132.7
●NSns1.digitalocean.com2026-03-27 → 2026-05-13 · 3 obs
○ 2018-01-10 15:27:54
● 2026-03-27 02:39:20
● 2026-05-13 07:17:36
●NSns2.digitalocean.com2026-03-27 → 2026-05-13 · 3 obs
○ 2018-01-10 15:27:54
● 2026-03-27 02:39:20
● 2026-05-13 07:17:36
○NSns21.domaincontrol.com2017-01-11 → 2018-01-10 · 4 obs
● 2017-01-11 02:29:10
● 2018-01-10 15:27:54
○ 2026-03-27 02:39:20
○ 2026-05-13 07:17:36
○NSns22.domaincontrol.com2017-01-11 → 2018-01-10 · 4 obs
● 2017-01-11 02:29:10
● 2018-01-10 15:27:54
○ 2026-03-27 02:39:20
○ 2026-05-13 07:17:36
●NSns3.digitalocean.com2026-03-27 → 2026-05-13 · 3 obs
○ 2018-01-10 15:27:54
● 2026-03-27 02:39:20
● 2026-05-13 07:17:36
●MXmail.atc-edu.com2026-05-10 → 2026-05-13 · 3 obs
○ 2026-03-27 02:39:20
● 2026-05-10 01:25:40
● 2026-05-13 07:17:36
○MXmailstore1.secureserver.net2017-01-11 → 2018-01-10 · 4 obs
● 2017-01-11 02:29:10
● 2018-01-10 15:27:54
○ 2026-03-27 02:39:20
○ 2026-05-13 07:17:36
○MXsmtp.secureserver.net2017-01-11 → 2018-01-10 · 4 obs
● 2017-01-11 02:29:10
● 2018-01-10 15:27:54
○ 2026-03-27 02:39:20
○ 2026-05-13 07:17:36
○A143.198.214.1132026-03-27 → 2026-03-27 · 4 obs
○ 2018-01-10 15:27:54
● 2026-03-27 02:39:20
○ 2026-04-14 09:45:02
○ 2026-05-13 07:17:36
○A182.50.132.72017-01-11 → 2018-01-10 · 4 obs
● 2017-01-11 02:29:10
● 2018-01-10 15:27:54
○ 2026-03-27 02:39:20
○ 2026-05-13 07:17:36
●A209.97.169.2482026-04-14 → 2026-05-13 · 3 obs
○ 2026-03-27 02:39:20
● 2026-04-14 09:45:02
● 2026-05-13 07:17:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...-
atc-edu.comns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com3 records

✅ Authoritative Response

Server:172.64.49.209

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for atc-edu.com (unsigned zone)

⏱️ Timing

Total: 532ms | Queries: -

📄 Records

TypeCountSample Data
A1209.97.169.248
NS3ns2.digitalocean.com, ns3.digitalocean.com...
MX1mail.atc-edu.com (pri: 10)
TXT1v=spf1 +a +mx +ip4:209.97.169.248 +ip4:1
SOA1ns1.digitalocean.com hostmaster.atc-edu.

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

Hierarchy

atc-edu.com is the parent of mail.atc-edu.com.

IP Addresses

atc-edu.com resolves to a single IP: 209.97.169.248.

Name Servers

atc-edu.com delegates to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

atc-edu.com shares some name servers with other domains, for example belliconmexico.com, smart-tags-app.com, airanon.com, isa.net.al and sad-kvitiv.com.

Host names with two IP numbers:

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

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

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

Mail Servers

atc-edu.com is handled by a single mail server, mail.atc-edu.com.

Host name mail.atc-edu.com points to IP 162.241.230.55.