phpclassnotes.com - robtex.com
phpclassnotes.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.243.3.83🇺🇸 DIGITALOCEAN162.243.0.0/17 DigitalOcean | ||||||
| PTR | mercury.foolaloof.com | ||||||
| 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@phpclassnotes.com serial=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=1788973038 | ||||||
Same first word
phpclassnotes.com |
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns1.digitalocean.com2017-05-12 → 2026-09-09 · 2 obs
● 2026-09-09 17:23:08
●NSns2.digitalocean.com2017-05-12 → 2026-09-09 · 2 obs
● 2026-09-09 17:23:08
●NSns3.digitalocean.com2017-05-12 → 2026-09-09 · 2 obs
● 2026-09-09 17:23:08
●A162.243.3.832017-05-12 → 2026-09-09 · 2 obs
● 2026-09-09 17:23:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net... | - |
| phpclassnotes.com | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | 3 records |
✅ Authoritative Response
Server:172.64.49.209
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for phpclassnotes.com (unsigned zone)
⏱️ Timing
Total: 345ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.243.3.83 |
| NS | 3 | ns1.digitalocean.com, ns2.digitalocean.com... |
| SOA | 1 | ns1.digitalocean.com hostmaster.phpclass |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)
Analysis
IP Addresses
phpclassnotes.com resolves to just one IP address, 162.243.3.83.
Two other host names, along with mercury.foolaloof.com, cclassnotes.com and noahsinger.me, also share IP numbers with phpclassnotes.com.
Name Servers
DNS for phpclassnotes.com is handled by three authoritative name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
phpclassnotes.com partially shares its NS delegation with several other domains, including tattlewiki.com, myspiace.it, interspacetech.co.ke and two others.
Three hostnames — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com — each have two IP addresses: ns1.digitalocean.com has 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com has 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com has 172.64.49.209 and 2606:4700:52::ac40:31d1.