oxcourse.com - robtex.com

oxcourse.com

DNSSEC⚠️ Not signed
A45.77.75.133🇺🇸 AS-VULTR45.77.72.0/22 Vultr Assigned Prefix
PTR45.77.75.133.vultrusercontent.com
A45.77.92.157🇺🇸 AS-VULTR45.77.92.0/22 Vultr Assigned Prefix
A207.246.78.75🇺🇸 AS-VULTR207.246.64.0/20 Vultr Assigned Prefix
NSns1.dnsowl.com ⭐
A2400:cb00:2049:1::a29f:1a88🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1bad🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.136Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.27.173Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.dnsowl.com
A2400:cb00:2049:1::a29f:1a31🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b82🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.49Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.27.130Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.dnsowl.com
A2400:cb00:2049:1::a29f:1aea🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b62🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.234Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.27.98Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAns1.dnsowl.comhostmaster@dnsowl.com serial=1774538825

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=1774538762

Same first word

oxcourse.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSns1.dnsowl.comns2.dnsowl.comns3.dnsowl.comns10.cdncenter.comns11.cdncenter.comns12.cdncenter.comns7.cdncenter.comns8.cdncenter.comns9.cdncenter.comA207.246.78.7545.77.75.13345.77.92.157211.144.85.203211.144.85.67
●NSns1.dnsowl.com2026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-28 09:43:22
● 2026-02-16 03:29:46
● 2026-03-26 15:32:00
○NSns10.cdncenter.com2015-08-10 → 2016-12-28 · 4 obs
● 2015-08-10 12:09:06
● 2016-12-28 09:43:22
○ 2026-02-16 03:29:46
○ 2026-03-26 15:32:00
○NSns11.cdncenter.com2015-08-10 → 2016-12-28 · 4 obs
● 2015-08-10 12:09:06
● 2016-12-28 09:43:22
○ 2026-02-16 03:29:46
○ 2026-03-26 15:32:00
○NSns12.cdncenter.com2015-08-10 → 2016-12-28 · 4 obs
● 2015-08-10 12:09:06
● 2016-12-28 09:43:22
○ 2026-02-16 03:29:46
○ 2026-03-26 15:32:00
●NSns2.dnsowl.com2026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-28 09:43:22
● 2026-02-16 03:29:46
● 2026-03-26 15:32:00
●NSns3.dnsowl.com2026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-28 09:43:22
● 2026-02-16 03:29:46
● 2026-03-26 15:32:00
○NSns7.cdncenter.com2015-08-10 → 2016-12-28 · 4 obs
● 2015-08-10 12:09:06
● 2016-12-28 09:43:22
○ 2026-02-16 03:29:46
○ 2026-03-26 15:32:00
○NSns8.cdncenter.com2015-08-10 → 2016-12-28 · 4 obs
● 2015-08-10 12:09:06
● 2016-12-28 09:43:22
○ 2026-02-16 03:29:46
○ 2026-03-26 15:32:00
○NSns9.cdncenter.com2015-08-10 → 2016-12-28 · 4 obs
● 2015-08-10 12:09:06
● 2016-12-28 09:43:22
○ 2026-02-16 03:29:46
○ 2026-03-26 15:32:00
●A207.246.78.752026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-28 09:43:22
● 2026-02-16 03:29:46
● 2026-03-26 15:32:00
○A211.144.85.2032016-12-28 → 2016-12-28 · 4 obs
○ 2016-06-27 09:37:34
● 2016-12-28 09:43:22
○ 2026-02-16 03:29:46
○ 2026-03-26 15:32:00
○A211.144.85.672015-08-10 → 2016-06-27 · 4 obs
● 2015-08-10 12:09:06
● 2016-06-27 09:37:34
○ 2016-12-28 09:43:22
○ 2026-03-26 15:32:00
●A45.77.75.1332026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-28 09:43:22
● 2026-02-16 03:29:46
● 2026-03-26 15:32:00
●A45.77.92.1572026-02-16 → 2026-03-26 · 3 obs
○ 2016-12-28 09:43:22
● 2026-02-16 03:29:46
● 2026-03-26 15:32:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...-
oxcourse.comns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com12 records

✅ Authoritative Response

Server:162.159.26.136

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oxcourse.com (unsigned zone)

⏱️ Timing

Total: 282ms | Queries: -

📄 Records

TypeCountSample Data
A345.77.75.133, 207.246.78.75...
NS3ns1.dnsowl.com, ns2.dnsowl.com...
SOA1ns1.dnsowl.com hostmaster.dnsowl.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns1.dnsowl.com, ns1.dnsowl.com, ns1.dnsowl.com...)

Analysis

IP Addresses

oxcourse.com points to three IPs: 45.77.75.133, 45.77.92.157 and 207.246.78.75.

Other host names, for instance twolampstands.net, discoverinsurance.com, wfmytv.com, northadamsmovieplex.com and healthenhancement.com share IP numbers with oxcourse.com.

Name Servers

The domain oxcourse.com is delegated to three name servers: ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.

oxcourse.com shares name servers with other domains at least partially, for instance remoalcha.com, zjghyjs.com, joanedelman.com, 150072.com and harrywiki.com.

Host names with four IP numbers:

The name ns1.dnsowl.com resolves to 2400:cb00:2049:1::a29f:1a88, 2400:cb00:2049:1::a29f:1bad, 162.159.26.136 and 162.159.27.173. The name ns2.dnsowl.com resolves to 2400:cb00:2049:1::a29f:1a31, 2400:cb00:2049:1::a29f:1b82, 162.159.26.49 and 162.159.27.130. The name ns3.dnsowl.com resolves to 2400:cb00:2049:1::a29f:1aea, 2400:cb00:2049:1::a29f:1b62, 162.159.26.234 and 162.159.27.98.