classref.com - dns.ninja
classref.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns1.namefind.com ⭐ | ||||||
| A | 97.74.99.64🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| NS | ns2.namefind.com | ||||||
| A | 173.201.67.64🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.namefind.comdns@jomax.net 2023-03-15 #0 | ||||||
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=1782766321 | ||||||
Same first word
classref.com |
Similar names
DNS History
17 records (4 active, 13 former)
○NSdns1.name-services.com2015-08-19 → 2016-11-20 · 4 obs
● 2016-11-20 18:46:18
○ 2017-08-24 08:16:28
○ 2026-06-29 21:05:54
○NSdns2.name-services.com2015-08-19 → 2016-11-20 · 4 obs
● 2016-11-20 18:46:18
○ 2017-08-24 08:16:28
○ 2026-06-29 21:05:54
○NSdns3.name-services.com2015-08-19 → 2016-11-20 · 4 obs
● 2016-11-20 18:46:18
○ 2017-08-24 08:16:28
○ 2026-06-29 21:05:54
○NSdns4.name-services.com2015-08-19 → 2016-11-20 · 4 obs
● 2016-11-20 18:46:18
○ 2017-08-24 08:16:28
○ 2026-06-29 21:05:54
○NSdns5.name-services.com2015-08-19 → 2016-11-20 · 4 obs
● 2016-11-20 18:46:18
○ 2017-08-24 08:16:28
○ 2026-06-29 21:05:54
●NSns1.namefind.com2026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 13:31:50
● 2026-06-29 21:05:54
○NSns1ntw.name.com2017-08-24 → 2017-08-24 · 4 obs
● 2017-08-24 08:16:28
○ 2026-02-28 13:31:50
○ 2026-06-29 21:05:54
●NSns2.namefind.com2026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 13:31:50
● 2026-06-29 21:05:54
○NSns2cvx.name.com2017-08-24 → 2017-08-24 · 4 obs
● 2017-08-24 08:16:28
○ 2026-02-28 13:31:50
○ 2026-06-29 21:05:54
○NSns3dty.name.com2017-08-24 → 2017-08-24 · 4 obs
● 2017-08-24 08:16:28
○ 2026-02-28 13:31:50
○ 2026-06-29 21:05:54
○NSns4bfy.name.com2017-08-24 → 2017-08-24 · 4 obs
● 2017-08-24 08:16:28
○ 2026-02-28 13:31:50
○ 2026-06-29 21:05:54
○MXmail.b-io.co2017-08-24 → 2017-08-24 · 4 obs
● 2017-08-24 08:16:28
○ 2026-02-28 13:31:50
○ 2026-06-29 21:05:54
○MXp.nsm.ctmail.com2015-08-19 → 2016-03-02 · 4 obs
● 2016-03-02 10:59:54
○ 2016-11-20 18:46:18
○ 2026-06-29 21:05:54
●A13.248.169.482026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 13:31:50
● 2026-06-29 21:05:54
○A69.64.146.1922017-08-24 → 2017-08-24 · 4 obs
● 2017-08-24 08:16:28
○ 2026-02-28 13:31:50
○ 2026-06-29 21:05:54
●A76.223.54.1462026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 13:31:50
● 2026-06-29 21:05:54
○A8.5.1.322015-08-19 → 2016-11-20 · 4 obs
● 2016-11-20 18:46:18
○ 2017-08-24 08:16:28
○ 2026-06-29 21:05:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net... | - |
| classref.com | ns2.namefind.com, ns1.namefind.com | 2 records |
✅ Authoritative Response
Server:97.74.99.64
NS records: ns2.namefind.com, ns1.namefind.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classref.com (unsigned zone)
⏱️ Timing
Total: 320ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns1.namefind.com, ns2.namefind.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.namefind.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.namefind.com, ns1.namefind.com)
Analysis
IP Addresses
classref.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146
Among the host names that share IP numbers with classref.com are blockse.com, jdpf.com, neoparent.com and two others.
Name Servers
classref.com uses two name servers for its delegation: ns1.namefind.com and ns2.namefind.com.
classref.com has the same name server delegation as a number of other domains, such as sillplate.com, luckyfit.com, storyheatingandair.com and two more.
There is an overlap in name servers between classref.com and other domains, for example 638.nl, launchit.org and gay(0x736578)toys.org
These name servers are regularly seen alongside buy.internettraffic.com and sell.internettraffic.com as name servers.
ns1.namefind.com resolves to 97.74.99.64. ns2.namefind.com resolves to 173.201.67.64. Both host names point to a single IP number.