iskooler.com - robtex.com
iskooler.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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@iskooler.com serial=1764499193 | ||||||
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=1771291435 | ||||||
Same first word
iskooler.com |
Similar names
DNS History
8 records (3 active, 5 former)
○NSns-1378.awsdns-44.org2020-02-25 → 2020-02-25 · 3 obs
○ 2026-02-22 18:49:42
○ 2026-03-23 07:35:06
○NSns-1853.awsdns-39.co.uk2020-02-25 → 2020-02-25 · 3 obs
○ 2026-02-22 18:49:42
○ 2026-03-23 07:35:06
○NSns-276.awsdns-34.com2020-02-25 → 2020-02-25 · 3 obs
○ 2026-02-22 18:49:42
○ 2026-03-23 07:35:06
○NSns-752.awsdns-30.net2020-02-25 → 2020-02-25 · 3 obs
○ 2026-02-22 18:49:42
○ 2026-03-23 07:35:06
●NSns1.digitalocean.com2026-02-22 → 2026-03-23 · 3 obs
● 2026-02-22 18:49:42
● 2026-03-23 07:35:06
●NSns2.digitalocean.com2026-02-22 → 2026-03-23 · 3 obs
● 2026-02-22 18:49:42
● 2026-03-23 07:35:06
●NSns3.digitalocean.com2026-02-22 → 2026-03-23 · 3 obs
● 2026-02-22 18:49:42
● 2026-03-23 07:35:06
○A54.251.185.1782020-02-25 → 2020-02-25 · 3 obs
○ 2026-02-22 18:49:42
○ 2026-03-23 07:35:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net... | - |
| iskooler.com | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | 3 records |
✅ Authoritative Response
Server:172.64.52.210
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for iskooler.com (unsigned zone)
⏱️ Timing
Total: 138ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns3.digitalocean.com, ns1.digitalocean.com... |
| SOA | 1 | ns1.digitalocean.com hostmaster.iskooler |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)
Analysis
Name Servers
The delegation for iskooler.com is handled by three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
iskooler.com shares name servers with other domains at least partially, for example catsandcafe.com, 191.183.68.in-addr.arpa, casasyaticos.com, rtgh.org and caribbean-on-line.com.
Host names with two IPs:
ns1.digitalocean.com points to 2606:4700:52::ac40:34d2 and 172.64.52.210
ns2.digitalocean.com points to 2606:4700:5a::ac40:3515 and 172.64.53.21
ns3.digitalocean.com points to 2606:4700:52::ac40:31d1 and 172.64.49.209