webcourse.com - dns.ninja
webcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 50.28.1.55🇺🇸 LiquidWeb50.28.0.0/18 Liquidweb Inc | ||||||
| PTR | toad.exacthosting.com | ||||||
| NS | ns1.exacthosting.com ⭐ | ||||||
| A | 67.225.243.78🇺🇸 LiquidWeb67.225.128.0/17 Liquidweb Inc | ||||||
| PTR | ns1.exacthosting.com | ||||||
| NS | ns2.exacthosting.com | ||||||
| A | 67.225.242.84🇺🇸 LiquidWeb67.225.128.0/17 Liquidweb Inc | ||||||
| PTR | ns2.exacthosting.com | ||||||
| NS | ns3.exacthosting.com ⚠️ Not in zone NS records | ||||||
| A | 67.225.250.50🇺🇸 LiquidWeb67.225.128.0/17 Liquidweb Inc | ||||||
| PTR | ns3.exacthosting.com | ||||||
| NS | ns4.exacthosting.com ⚠️ Not in zone NS records | ||||||
| A | 67.225.250.48🇺🇸 LiquidWeb67.225.128.0/17 Liquidweb Inc | ||||||
| PTR | ns4.exacthosting.com | ||||||
| MX | webcourse.com ⭐ | ||||||
| A | 50.28.1.55🇺🇸 LiquidWeb50.28.0.0/18 Liquidweb Inc | ||||||
| PTR | toad.exacthosting.com | ||||||
| TXT | v=spf1 ip4:50.28.1.55 ip4:69.16.238.239 +a +mx +ip4:72.52.242.16 +ip4:72.52.2... | ||||||
| SOA | ns1.exacthosting.comcpanel@exacthosting.com 2026-05-19 #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=1783245051 | ||||||
MX for
webcourse.com |
Previously MX for
www.webcourse.com |
Subdomains
www.webcourse.com |
Same first word
webcourse.biz |
webcourse.co.uk |
webcourse.jp |
webcourse.co |
webcourse.co.il |
webcourse.net |
webcourse.no |
webcourse.us |
webcourse.ca |
webcourse.de |
webcourse.ru |
webcourse.nl |
webcourse.edu |
webcourse.com |
Similar names
DNS History
11 records (6 active, 5 former)
○NSns.gnservers.com2015-07-23 → 2016-11-23 · 4 obs
● 2016-11-23 01:09:10
○ 2026-02-26 13:34:34
○ 2026-07-05 10:12:00
●NSns1.exacthosting.com2026-02-26 → 2026-07-05 · 3 obs
● 2026-02-26 13:34:34
● 2026-07-05 10:12:00
●NSns2.exacthosting.com2026-02-26 → 2026-07-05 · 3 obs
● 2026-02-26 13:34:34
● 2026-07-05 10:12:00
○NSns2.gnservers.com2015-07-23 → 2016-11-23 · 4 obs
● 2016-11-23 01:09:10
○ 2026-02-26 13:34:34
○ 2026-07-05 10:12:00
●NSns3.exacthosting.com2026-02-26 → 2026-07-05 · 3 obs
● 2026-02-26 13:34:34
● 2026-07-05 10:12:00
○NSns3.gnservers.com2015-07-23 → 2016-11-23 · 4 obs
● 2016-11-23 01:09:10
○ 2026-02-26 13:34:34
○ 2026-07-05 10:12:00
●NSns4.exacthosting.com2026-02-26 → 2026-07-05 · 3 obs
● 2026-02-26 13:34:34
● 2026-07-05 10:12:00
○NSns4.gnservers.com2015-07-23 → 2016-11-23 · 4 obs
● 2016-11-23 01:09:10
○ 2026-02-26 13:34:34
○ 2026-07-05 10:12:00
●MXwebcourse.com2015-07-23 → 2026-07-05 · 2 obs
● 2026-07-05 10:12:00
●A50.28.1.552026-02-26 → 2026-07-05 · 3 obs
● 2026-02-26 13:34:34
● 2026-07-05 10:12:00
○A72.52.242.242015-07-23 → 2016-11-23 · 4 obs
● 2016-11-23 01:09:10
○ 2026-02-26 13:34:34
○ 2026-07-05 10:12:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net... | - |
| webcourse.com | ns1.exacthosting.com, ns2.exacthosting.com, ns3.exacthosting.com, ns4.exacthosting.com | 4 records |
✅ Authoritative Response
Server:67.225.243.78
NS records: ns1.exacthosting.com, ns2.exacthosting.com, ns3.exacthosting.com, ns4.exacthosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for webcourse.com (unsigned zone)
⏱️ Timing
Total: 287ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.28.1.55 |
| NS | 2 | ns2.exacthosting.com, ns1.exacthosting.com |
| MX | 1 | webcourse.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:50.28.1.55 ip4:69.16.238.239 |
| SOA | 1 | ns1.exacthosting.com cpanel.exacthosting |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.exacthosting.com, ns2.exacthosting.com, ns3.exacthosting.com...)
Analysis
Hierarchy
The domain www.webcourse.com falls under the parent webcourse.com.
Mail Server Role
The MX record for webcourse.com points back to webcourse.com — it is its own mail server.
IP Addresses
webcourse.com directs to one IP number, which is 50.28.1.55.
Among the host names that share IP numbers with webcourse.com are aimex.us, barrynewmanjournalist.com, asenergyng.ehost-services234.com and two others.
Name Servers
The domain webcourse.com is delegated to these four name servers: ns1.exacthosting.com, ns2.exacthosting.com, ns3.exacthosting.com and ns4.exacthosting.com.
At least some of webcourse.com's name servers are shared with other domains, for example toasted-cheese.com, blackhistoricallit.com, sacredfire.net and two more.
These name servers tend to co-occur with ns2.yournethost.com, ns.yournethost.com, ns2.yournethost.net and 7 other name servers in the same DNS delegations.
ns1.exacthosting.com resolves to 67.225.243.78. ns2.exacthosting.com resolves to 67.225.242.84. ns3.exacthosting.com resolves to 67.225.250.50. ns4.exacthosting.com resolves to 67.225.250.48. All four hosts carry exactly one IP address.
Mail Servers
The MX record for webcourse.com points to a single mail server: webcourse.com.
webcourse.com directs to just one IP number, 50.28.1.55.