course-video.com - robtex.com
course-video.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.0.78.164🇺🇸 Automattic192.0.78.0/24 Route Object | ||||||
| A | 192.0.78.250🇺🇸 Automattic192.0.78.0/24 Route Object | ||||||
| NS | ns1.wordpress.com ⭐ | ||||||
| A | 2a04:fa87:ffff::c6b5:7409🇮🇪 Automattic2a04:fa87:ffff::/48 | ||||||
| PTR | ns1.wordpress.com | ||||||
| A | 198.181.116.9🇺🇸 Automattic198.181.116.0/24 Route Object | ||||||
| PTR | ns1.wordpress.com | ||||||
| NS | ns2.wordpress.com | ||||||
| A | 2a04:fa87:ffff::c6b5:7509🇮🇪 Automattic2a04:fa87:ffff::/48 | ||||||
| PTR | ns2.wordpress.com | ||||||
| A | 198.181.117.9🇺🇸 Automattic198.181.117.0/24 Route Object | ||||||
| PTR | ns2.wordpress.com | ||||||
| NS | ns3.wordpress.com | ||||||
| A | 2620:115:c00f::c000:4a09🇺🇸 Automattic2620:115:c00f::/48 Route6 Object | ||||||
| PTR | ns3.wordpress.com | ||||||
| A | 192.0.74.9🇺🇸 Automattic192.0.74.0/24 Route Object | ||||||
| PTR | ns3.wordpress.com | ||||||
| TXT | v=spf1 include:_spf.wpcloud.com ~all | ||||||
| SOA | ns1.wordpress.comhostmaster@wordpress.com 2026-02-04 #3 | ||||||
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=1774518757 | ||||||
Same first word
course-video.com |
DNS History
13 records (5 active, 8 former)
●NSns1.wordpress.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 10:15:40
○NSns1034.ui-dns.org2017-10-18 → 2017-10-18 · 2 obs
○ 2026-03-26 10:15:40
○NSns1062.ui-dns.biz2017-10-18 → 2017-10-18 · 2 obs
○ 2026-03-26 10:15:40
○NSns1119.ui-dns.com2017-10-18 → 2017-10-18 · 2 obs
○ 2026-03-26 10:15:40
●NSns2.wordpress.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 10:15:40
●NSns3.wordpress.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 10:15:40
●A192.0.78.1642026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 10:15:40
●A192.0.78.2502026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 10:15:40
○A2001:8d8:100f:f000::2eb2017-10-18 → 2017-10-18 · 2 obs
○ 2026-03-26 10:15:40
○A217.160.0.2122017-10-18 → 2017-10-18 · 2 obs
○ 2026-03-26 10:15:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| course-video.com | ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com | 6 records |
✅ Authoritative Response
Server:198.181.116.9
NS records: ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for course-video.com (unsigned zone)
⏱️ Timing
Total: 152ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 192.0.78.250, 192.0.78.164 |
| NS | 3 | ns3.wordpress.com, ns2.wordpress.com... |
| TXT | 1 | v=spf1 include:_spf.wpcloud.com ~all |
| SOA | 1 | ns1.wordpress.com hostmaster.wordpress.c |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.wordpress.com, ns1.wordpress.com, ns2.wordpress.com...)
Analysis
IP Addresses
course-video.com resolves to two IP numbers: 192.0.78.164 and 192.0.78.250.
other host names including showbams.com, danamarcon.com, keralagurukulam.com, ceo(0x616e616c)ytix.com and fearthebrim.com share IP numbers with course-video.com.
Name Servers
course-video.com is delegated to three name servers ns1.wordpress.com, ns2.wordpress.com and ns3.wordpress.com.
course-video.com at least partially shares name servers with other domains, for instance doyletom.com, edgeofwhat.com, christineelizabeth.net, ckka.net and anniemoter.com.
Host names with two IP numbers:
ns1.wordpress.com points to: 2a04:fa87:ffff::c6b5:7409 and 198.181.116.9.
ns2.wordpress.com points to: 2a04:fa87:ffff::c6b5:7509 and 198.181.117.9.
ns3.wordpress.com points to: 2620:115:c00f::c000:4a09 and 192.0.74.9.