explorer-api.opensyllabus.org - dns.ninja
explorer-api.opensyllabus.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:20::681a:28b🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::681a:38b🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:4725🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.2.139Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.3.139Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.71.37🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.26.2.139, 104.26.3.139, 172.67.71.37 | ||||||
| IPv6 hints | 2606:4700:20::681a:28b, 2606:4700:20::681a:38b, 2606:4700:20::ac43:4725 | ||||||
opensyllabus.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:20::681a:28b🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::681a:38b🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:4725🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.2.139Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.3.139Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.71.37🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | aida.ns.cloudflare.com ⭐ | ||||||
| NS | jonah.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| MX | ukprhjae4wq2gboo7xhai4zbhzxlt3np2mgt3a6ckfq3wvwgortq.mx-verification.google.com(15) | ||||||
| TXT | MS=ms34179367 | ||||||
| TXT | google-site-verification=OvuL8IAd9nxb1gbzLg02AvrGzTJRSEobFc3OwQELoqQ | ||||||
| TXT | mt-23088137 | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.26.2.139, 104.26.3.139, 172.67.71.37 | ||||||
| IPv6 hints | 2606:4700:20::681a:28b, 2606:4700:20::681a:38b, 2606:4700:20::ac43:4725 | ||||||
| SOA | aida.ns.cloudflare.comdns@cloudflare.com serial=2406646936 | ||||||
rank #21026 in the tld
DNS History
14 records (6 active, 8 former)
○A104.21.69.52026-02-15 → 2026-05-08 · 7 obs
● 2026-02-15 19:49:44
● 2026-02-15 20:50:50
○ 2026-02-16 02:02:42
● 2026-04-29 19:49:08
● 2026-05-08 14:30:12
○ 2026-06-08 04:29:18
○ 2026-06-30 08:18:22
● 2026-02-15 20:50:50
○ 2026-02-16 02:02:42
● 2026-04-29 19:49:08
● 2026-05-08 14:30:12
○ 2026-06-08 04:29:18
○ 2026-06-30 08:18:22
●A104.26.2.1392026-06-08 → 2026-06-30 · 3 obs
○ 2026-05-08 14:30:12
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
●A104.26.3.1392026-06-08 → 2026-06-30 · 3 obs
○ 2026-05-08 14:30:12
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
○A172.67.202.372026-02-15 → 2026-05-08 · 7 obs
● 2026-02-15 19:49:44
● 2026-02-15 20:50:50
○ 2026-02-16 02:02:42
● 2026-04-29 19:49:08
● 2026-05-08 14:30:12
○ 2026-06-08 04:29:18
○ 2026-06-30 08:18:22
● 2026-02-15 20:50:50
○ 2026-02-16 02:02:42
● 2026-04-29 19:49:08
● 2026-05-08 14:30:12
○ 2026-06-08 04:29:18
○ 2026-06-30 08:18:22
●A172.67.71.372026-06-08 → 2026-06-30 · 3 obs
○ 2026-05-08 14:30:12
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
○A188.114.96.02026-02-16 → 2026-02-16 · 5 obs
○ 2026-02-15 19:49:44
○ 2026-02-15 20:50:50
● 2026-02-16 02:02:42
○ 2026-04-29 19:49:08
○ 2026-06-30 08:18:22
○ 2026-02-15 20:50:50
● 2026-02-16 02:02:42
○ 2026-04-29 19:49:08
○ 2026-06-30 08:18:22
○A188.114.97.02026-02-16 → 2026-02-16 · 5 obs
○ 2026-02-15 19:49:44
○ 2026-02-15 20:50:50
● 2026-02-16 02:02:42
○ 2026-04-29 19:49:08
○ 2026-06-30 08:18:22
○ 2026-02-15 20:50:50
● 2026-02-16 02:02:42
○ 2026-04-29 19:49:08
○ 2026-06-30 08:18:22
●A2606:4700:20::681a:28b2026-06-08 → 2026-06-30 · 3 obs
○ 2026-05-08 14:30:12
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
●A2606:4700:20::681a:38b2026-06-08 → 2026-06-30 · 3 obs
○ 2026-05-08 14:30:12
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
●A2606:4700:20::ac43:47252026-06-08 → 2026-06-30 · 3 obs
○ 2026-05-08 14:30:12
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
● 2026-06-08 04:29:18
● 2026-06-30 08:18:22
○A2606:4700:3030::ac43:ca252026-02-15 → 2026-05-08 · 7 obs
● 2026-02-15 19:49:44
● 2026-02-15 20:50:50
○ 2026-02-16 02:02:42
● 2026-04-29 19:49:08
● 2026-05-08 14:30:12
○ 2026-06-08 04:29:18
○ 2026-06-30 08:18:22
● 2026-02-15 20:50:50
○ 2026-02-16 02:02:42
● 2026-04-29 19:49:08
● 2026-05-08 14:30:12
○ 2026-06-08 04:29:18
○ 2026-06-30 08:18:22
○A2606:4700:3037::6815:45052026-02-15 → 2026-05-08 · 7 obs
● 2026-02-15 19:49:44
● 2026-02-15 20:50:50
○ 2026-02-16 02:02:42
● 2026-04-29 19:49:08
● 2026-05-08 14:30:12
○ 2026-06-08 04:29:18
○ 2026-06-30 08:18:22
● 2026-02-15 20:50:50
○ 2026-02-16 02:02:42
● 2026-04-29 19:49:08
● 2026-05-08 14:30:12
○ 2026-06-08 04:29:18
○ 2026-06-30 08:18:22
○A2a06:98c1:3120::2026-02-16 → 2026-02-16 · 5 obs
○ 2026-02-15 19:49:44
○ 2026-02-15 20:50:50
● 2026-02-16 02:02:42
○ 2026-04-29 19:49:08
○ 2026-06-30 08:18:22
○ 2026-02-15 20:50:50
● 2026-02-16 02:02:42
○ 2026-04-29 19:49:08
○ 2026-06-30 08:18:22
○A2a06:98c1:3121::2026-02-16 → 2026-02-16 · 5 obs
○ 2026-02-15 19:49:44
○ 2026-02-15 20:50:50
● 2026-02-16 02:02:42
○ 2026-04-29 19:49:08
○ 2026-06-30 08:18:22
○ 2026-02-15 20:50:50
● 2026-02-16 02:02:42
○ 2026-04-29 19:49:08
○ 2026-06-30 08:18:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| opensyllabus.org | jonah.ns.cloudflare.com, aida.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.58
NS records: jonah.ns.cloudflare.com, aida.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opensyllabus.org (unsigned zone)
⏱️ Timing
Total: 1118ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 172.67.71.37, 104.26.2.139... |
| AAAA | 3 | 2606:4700:20::ac43:4725, 2606:4700:20::681a:38b... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
Analysis
IP Addresses
explorer-api.opensyllabus.org points to 6 IP addresses, including 104.26.2.139, 104.26.3.139 and 172.67.71.37, plus 3 other.
onlinesim.one, dxracer.com.ar, thewatchbox.com plus two other host names have IP numbers in common with explorer-api.opensyllabus.org.