customcourses.com - dns.ninja
customcourses.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.softlayer.com ⚠️ Not in zone NS records | ||||||
| A | 2607:f0d0:0:f:1::1🇺🇸 SOFTLAYER2607:f0d0::/32 -6-1 | ||||||
| PTR | ns1.softlayer.com | ||||||
| A | 67.228.254.4🇺🇸 SOFTLAYER67.228.254.0/23 -anycast02 | ||||||
| PTR | 4.fe.e443.ip4.static.sl-reverse.com | ||||||
| NS | ns2.softlayer.com ⚠️ Not in zone NS records | ||||||
| A | 2607:f0d0:0:f:2::1🇺🇸 SOFTLAYER2607:f0d0::/32 -6-1 | ||||||
| PTR | ns2.softlayer.com | ||||||
| A | 67.228.255.5🇺🇸 SOFTLAYER67.228.254.0/23 -anycast02 | ||||||
| PTR | 5.ff.e443.ip4.static.sl-reverse.com | ||||||
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=1786248474 | ||||||
Same first word
customcourses.com |
DNS History
5 records (2 active, 3 former)
●NSns1.softlayer.com2009-01-18 → 2026-08-09 · 2 obs
● 2026-08-09 04:30:38
●NSns2.softlayer.com2009-01-18 → 2026-08-09 · 2 obs
● 2026-08-09 04:30:38
○MXmail.customcourses.com2009-01-18 → 2017-03-14 · 4 obs
● 2017-03-14 16:24:04
○ 2026-04-20 08:49:00
○ 2026-08-09 04:30:38
○A174.37.24.2452015-06-02 → 2017-03-14 · 5 obs
● 2015-06-02 21:29:46
● 2017-03-14 16:24:04
○ 2026-04-20 08:49:00
○ 2026-08-09 04:30:38
○A67.228.55.2292009-01-18 → 2009-01-18 · 3 obs
○ 2015-06-02 21:29:46
○ 2026-08-09 04:30:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net... | - |
| customcourses.com | ns2.softlayer.com, ns1.softlayer.com | 4 records |
✅ Authoritative Response
Server:67.228.255.5
NS records: ns2.softlayer.com, ns1.softlayer.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for customcourses.com (unsigned zone)
⏱️ Timing
Total: 180ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.softlayer.com, ns2.softlayer.com, ns1.softlayer.com...)
Analysis
Name Servers
customcourses.com has two authoritative name servers — ns1.softlayer.com and ns2.softlayer.com.
The name server configuration of customcourses.com is shared with other domains, for instance rajinfosoft.com, fjzkzx.com, jtaccounting.bm and two others.
At least some of customcourses.com's name servers are shared with other domains, for example nosara.com, 65.133.174.in-addr.arpa, 4.121.174.in-addr.arpa and two more.
These name servers tend to co-occur with ns3.arpa.networklayer.com, ns4.arpa.networklayer.com, ns1.theplanet.com and 5 other name servers in the same DNS delegations.
Both ns1.softlayer.com and ns2.softlayer.com have two IP addresses each. ns1.softlayer.com resolves to 67.228.254.4 and 2607:f0d0:0:f:1::1; ns2.softlayer.com resolves to 67.228.255.5 and 2607:f0d0:0:f:2::1.