dexcourse.com - robtex.com
dexcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
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=1784146637 | ||||||
Same first word
dexcourse.xyz |
dexcourse.com |
Similar names
coursedex.com |
sourcedex.com |
securedox.ca |
securedox.com |
edxcourse.com |
coredexus.com |
doxsecure.com |
securedox.net |
dexsource.com |
securedox.de |
securedox.org |
DNS History
13 records (4 active, 9 former)
○NSmatt.ns.cloudflare.com2018-05-08 → 2018-05-08 · 3 obs
○ 2026-04-14 19:51:24
○ 2026-07-15 20:20:02
●NSns1.afternic.com2026-04-14 → 2026-07-15 · 3 obs
● 2026-04-14 19:51:24
● 2026-07-15 20:20:02
●NSns2.afternic.com2026-04-14 → 2026-07-15 · 3 obs
● 2026-04-14 19:51:24
● 2026-07-15 20:20:02
○NSulla.ns.cloudflare.com2018-05-08 → 2018-05-08 · 3 obs
○ 2026-04-14 19:51:24
○ 2026-07-15 20:20:02
○MXmx1.mail.ovh.net2018-05-08 → 2018-05-08 · 3 obs
○ 2026-04-14 19:51:24
○ 2026-07-15 20:20:02
○MXmx2.mail.ovh.net2018-05-08 → 2018-05-08 · 3 obs
○ 2026-04-14 19:51:24
○ 2026-07-15 20:20:02
○MXmx3.mail.ovh.net2018-05-08 → 2018-05-08 · 3 obs
○ 2026-04-14 19:51:24
○ 2026-07-15 20:20:02
○A104.28.2.1582018-05-08 → 2018-05-08 · 3 obs
○ 2026-04-14 19:51:24
○ 2026-07-15 20:20:02
○A104.28.3.1582018-05-08 → 2018-05-08 · 3 obs
○ 2026-04-14 19:51:24
○ 2026-07-15 20:20:02
●A13.248.169.482026-04-14 → 2026-07-15 · 3 obs
● 2026-04-14 19:51:24
● 2026-07-15 20:20:02
○A2400:cb00:2048:1::681c:29e2018-05-08 → 2018-05-08 · 3 obs
○ 2026-04-14 19:51:24
○ 2026-07-15 20:20:02
○A2400:cb00:2048:1::681c:39e2018-05-08 → 2018-05-08 · 3 obs
○ 2026-04-14 19:51:24
○ 2026-07-15 20:20:02
●A76.223.54.1462026-04-14 → 2026-07-15 · 3 obs
● 2026-04-14 19:51:24
● 2026-07-15 20:20:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net... | - |
| dexcourse.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dexcourse.com (unsigned zone)
⏱️ Timing
Total: 177ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
dexcourse.com points to the IP addresses 13.248.169.48 and 76.223.54.146
Among the host names that share IP numbers with dexcourse.com are dailyoga.com, cloud9mj.ca, mail.inbahasa.com and two others.
Name Servers
dexcourse.com has two authoritative name servers — ns1.afternic.com and ns2.afternic.com.
dexcourse.com has the same name server delegation as a number of other domains, such as (0x736578)y.imege.com, mail.webglimmer.com, mx.triple365.com and two more.
There is at least partial name server overlap between dexcourse.com and other domains — mthh.com, burstcreations.com, hydra.bio and two more among them.
These name servers frequently co-occur with the name servers verification-urj2ap2akmgcchkhharttb.ns101.verify.hn and verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn.
Both ns1.afternic.com and ns2.afternic.com have two IP addresses each. ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45; ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45.