firstclass.cc - dns.ninja
firstclass.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 159.89.180.61🇺🇸 DIGITALOCEAN159.89.176.0/20 DigitalOcean | ||||||
| PTR | firstclass.cc | ||||||
| NS | ns1.digitalocean.com ⭐ | ||||||
| A | 2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| A | 172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| NS | ns2.digitalocean.com | ||||||
| A | 2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| A | 172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com | ||||||
| A | 2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| A | 172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| SOA | ns1.digitalocean.comhostmaster@firstclass.cc serial=0 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1780534649 | ||||||
PTR for
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.digitalocean.com2026-02-24 → 2026-06-04 · 3 obs
● 2026-02-24 23:19:58
● 2026-06-04 01:12:36
○NSns15.domaincontrol.com2015-06-28 → 2017-09-21 · 4 obs
● 2017-09-21 23:12:24
○ 2026-02-24 23:19:58
○ 2026-06-04 01:12:36
○NSns16.domaincontrol.com2015-06-28 → 2017-09-21 · 4 obs
● 2017-09-21 23:12:24
○ 2026-02-24 23:19:58
○ 2026-06-04 01:12:36
●NSns2.digitalocean.com2026-02-24 → 2026-06-04 · 3 obs
● 2026-02-24 23:19:58
● 2026-06-04 01:12:36
●NSns3.digitalocean.com2026-02-24 → 2026-06-04 · 3 obs
● 2026-02-24 23:19:58
● 2026-06-04 01:12:36
○MXmailstore1.secureserver.net2015-06-28 → 2017-09-21 · 4 obs
● 2017-09-21 23:12:24
○ 2026-02-24 23:19:58
○ 2026-06-04 01:12:36
○MXsmtp.secureserver.net2015-06-28 → 2017-09-21 · 4 obs
● 2017-09-21 23:12:24
○ 2026-02-24 23:19:58
○ 2026-06-04 01:12:36
●A159.89.180.612026-02-24 → 2026-06-04 · 3 obs
● 2026-02-24 23:19:58
● 2026-06-04 01:12:36
○A50.63.202.562015-06-28 → 2017-09-21 · 4 obs
● 2017-09-21 23:12:24
○ 2026-02-24 23:19:58
○ 2026-06-04 01:12:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac3.nstld.com, ac1.nstld.com, ac4.nstld.com, ac2.nstld.com | - |
| firstclass.cc | ns1.digitalocean.com, ns3.digitalocean.com, ns2.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.52.210
NS records: ns1.digitalocean.com, ns3.digitalocean.com, ns2.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstclass.cc (unsigned zone)
⏱️ Timing
Total: 362ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.89.180.61 |
| NS | 3 | ns1.digitalocean.com, ns2.digitalocean.com... |
| SOA | 1 | ns1.digitalocean.com hostmaster.firstcla |
Analysis
IP Addresses
firstclass.cc points to a single IP number: 159.89.180.61.
Name Servers
firstclass.cc carries NS records delegating to ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
firstclass.cc shares at least some of its name servers with other domains, including edutic.com.br, prof.com.mx, anglichanin.com and two others.
ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com are three hostnames that each resolve to a pair of IP addresses: ns1.digitalocean.com to 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com to 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com to 172.64.49.209 and 2606:4700:52::ac40:31d1.