classfirst.com - dns.ninja
classfirst.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | ip-13-248-169-48.defastlink.net | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=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=1780534089 | ||||||
Same first word
classfirst.in |
classfirst.com |
Similar names
DNS History
13 records (4 active, 9 former)
○NSbuy.internettraffic.com2015-11-03 → 2016-04-09 · 5 obs
● 2015-11-03 11:31:42
● 2016-04-09 22:29:04
○ 2016-11-19 11:28:12
○ 2026-06-04 01:13:06
○NSns1.advarion.com2015-06-24 → 2015-06-24 · 3 obs
○ 2015-11-03 11:31:42
○ 2026-06-04 01:13:06
●NSns1.afternic.com2026-02-24 → 2026-06-04 · 3 obs
● 2026-02-24 23:18:26
● 2026-06-04 01:13:06
○NSns1.uniregistrymarket.link2016-11-19 → 2017-06-19 · 5 obs
● 2016-11-19 11:28:12
● 2017-06-19 09:33:40
○ 2026-02-24 23:18:26
○ 2026-06-04 01:13:06
○NSns2.advarion.com2015-06-24 → 2015-06-24 · 3 obs
○ 2015-11-03 11:31:42
○ 2026-06-04 01:13:06
●NSns2.afternic.com2026-02-24 → 2026-06-04 · 3 obs
● 2026-02-24 23:18:26
● 2026-06-04 01:13:06
○NSns2.uniregistrymarket.link2016-11-19 → 2017-06-19 · 5 obs
● 2016-11-19 11:28:12
● 2017-06-19 09:33:40
○ 2026-02-24 23:18:26
○ 2026-06-04 01:13:06
○NSsell.internettraffic.com2015-11-03 → 2016-04-09 · 5 obs
● 2015-11-03 11:31:42
● 2016-04-09 22:29:04
○ 2016-11-19 11:28:12
○ 2026-06-04 01:13:06
○MX.2026-02-24 → 2026-06-04 · 2 obs
○ 2026-06-04 01:13:06
●A13.248.169.482026-02-24 → 2026-06-04 · 3 obs
● 2026-02-24 23:18:26
● 2026-06-04 01:13:06
○A69.172.201.1532016-11-19 → 2017-06-19 · 5 obs
● 2016-11-19 11:28:12
● 2017-06-19 09:33:40
○ 2026-02-24 23:18:26
○ 2026-06-04 01:13:06
○A69.172.201.2082015-11-03 → 2016-04-09 · 4 obs
● 2016-04-09 22:29:04
○ 2016-11-19 11:28:12
○ 2026-06-04 01:13:06
●A76.223.54.1462026-02-24 → 2026-06-04 · 3 obs
● 2026-02-24 23:18:26
● 2026-06-04 01:13:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net... | - |
| classfirst.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classfirst.com (unsigned zone)
⏱️ Timing
Total: 950ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
classfirst.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
speednc.com, seecanada.com, zifco.com and two other host names share IP numbers with classfirst.com.
Name Servers
classfirst.com uses two name servers for its delegation: ns1.afternic.com and ns2.afternic.com.
classfirst.com uses the same name servers as several other domains — among them growinc.co, www.cbextract.com, mail.joyfullistening.com and two more.
classfirst.com shares at least some of its name servers with other domains, including hac.com, good.ac, afterout.com and two others.
These name servers are frequently seen alongside the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn, verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn and verification-ioe7pro3dz6jnx7bjgweb4.ns101.verify.hn.
The two host names ns1.afternic.com and ns2.afternic.com each have a pair of IP addresses: ns1.afternic.com has 97.74.98.69 and 2603:5:2126::45, and ns2.afternic.com has 173.201.66.69 and 2603:5:2226::45.