ottermath.org - robtex.com
ottermath.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.digitalocean.com ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953 | ||||||
Subdomains
webwork.ottermath.org |
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSns1.digitalocean.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 08:47:58
● 2026-03-24 08:48:00
○NSns1.inmotionhosting.com2018-08-30 → 2018-08-30 · 3 obs
○ 2026-03-24 08:47:58
○ 2026-03-24 08:48:00
●NSns2.digitalocean.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 08:47:58
● 2026-03-24 08:48:00
○NSns2.inmotionhosting.com2018-08-30 → 2018-08-30 · 3 obs
○ 2026-03-24 08:47:58
○ 2026-03-24 08:48:00
●NSns3.digitalocean.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 08:47:58
● 2026-03-24 08:48:00
○MXottermath.org2018-08-30 → 2018-08-30 · 3 obs
○ 2026-03-24 08:47:58
○ 2026-03-24 08:48:00
○A192.249.115.622018-08-30 → 2018-08-30 · 3 obs
○ 2026-03-24 08:47:58
○ 2026-03-24 08:48:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| ottermath.org | ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.53.21
NS records: ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ottermath.org (unsigned zone)
⏱️ Timing
Total: 365ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Hierarchy
The parent of webwork.ottermath.org is ottermath.org.
Name Servers
ottermath.org is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
ottermath.org at least partially shares name servers with other domains, for instance bangin.tv, anastevanovic.com, justmots.net, 120.227.165.in-addr.arpa and randallwellsanalytics.com.
Host ns1.digitalocean.com points to 2606:4700:52::ac40:34d2 and 172.64.52.210; Host ns2.digitalocean.com points to 2606:4700:5a::ac40:3515 and 172.64.53.21; Host ns3.digitalocean.com points to 2606:4700:52::ac40:31d1 and 172.64.49.209.