forthcourse.com - robtex.com
forthcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.67.235.120🇦🇺 DREAMSCAPE-AS-AP103.67.234.0/23 AS38719 Routing Object | ||||||
| PTR | ip6743eb78.ipv4.syd02.ds.network | ||||||
| NS | ns1.crazydomains.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1807🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | e.ns.zerigo.net | ||||||
| A | 162.159.24.7Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.crazydomains.com | ||||||
| A | 2400:cb00:2049:1::a29f:1981🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns3.linode.com | ||||||
| A | 162.159.25.129Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.crazydomains.comadmin@syrahost.com serial=1581307900 | ||||||
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=1790620619 | ||||||
Same first word
forthcourse.com |
Similar names
sourceforth.com |
fortechorus.ca |
fotocrusher.com |
chorusforte.com |
fourtorches.net |
forthsource.com |
fourthscore.com |
forthsource.io |
scoutforher.com.au |
forrestchou.workers.dev |
fourtorches.shop |
Previous names
Next names
DNS History
3 records (3 active, 0 former)
●NSns1.crazydomains.com2020-02-10 → 2026-09-28 · 2 obs
● 2026-09-28 18:49:20
●NSns2.crazydomains.com2020-02-10 → 2026-09-28 · 2 obs
● 2026-09-28 18:49:20
●A103.67.235.1202020-02-10 → 2026-09-28 · 2 obs
● 2026-09-28 18:49:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| forthcourse.com | ns1.crazydomains.com, ns2.crazydomains.com | 8 records |
✅ Authoritative Response
Server:162.159.24.7
NS records: ns1.crazydomains.com, ns2.crazydomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for forthcourse.com (unsigned zone)
⏱️ Timing
Total: 1810ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.67.235.120 |
| NS | 2 | ns2.crazydomains.com, ns1.crazydomains.com |
| SOA | 1 | ns1.crazydomains.com admin.syrahost.com |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns1.crazydomains.com, ns1.crazydomains.com, ns1.crazydomains.com...)
Analysis
IP Addresses
forthcourse.com resolves to just one IP address, 103.67.235.120.
Two other host names, along with sp132212.sitebeat.crazydomains.com, sp832822.sitebeat.crazydomains.com and www.ionelectrical.com.au, also share IP numbers with forthcourse.com.
Name Servers
forthcourse.com has two authoritative name servers — ns1.crazydomains.com and ns2.crazydomains.com.
forthcourse.com shares its NS records with other domains, for example kathpurkis.com.au, nancyhanna.com.au, soyowollongong.com and two others.
forthcourse.com has at least partial name server overlap with other domains, such as fibromyalgiacure.com.au, ucnz.co.nz, teachingenglish.co.nz and two others.
It is common to find these name servers paired with the name servers ns1.crazydomains.com.au, ns2.crazydomains.com.au, ns10.domains4less.co.nz and ns11.domains4less.co.nz.
Both ns1.crazydomains.com and ns2.crazydomains.com have two IP addresses each. ns1.crazydomains.com resolves to 162.159.24.7 and 2400:cb00:2049:1::a29f:1807; ns2.crazydomains.com resolves to 162.159.25.129 and 2400:cb00:2049:1::a29f:1981.