cdn.pgr21.com - robtex.com
cdn.pgr21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:dc41🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:3e31🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.62.49Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.220.65🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.62.49, 172.67.220.65 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:dc41, 2606:4700:3036::6815:3e31 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=104, name=cloudflare-ech.com | ||||||
pgr21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.111.67.209🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| NS | heidi.ns.cloudflare.com ⭐ | ||||||
| NS | kenneth.ns.cloudflare.com | ||||||
| MX | mx01.mail.icloud.com ⭐ | ||||||
| MX | mx02.mail.icloud.com ⭐ | ||||||
| TXT | apple-domain=0jTuVBvOpTIAJjFV | ||||||
| TXT | v=spf1 ip4:183.111.67.209 include:icloud.com ~all | ||||||
| SOA | heidi.ns.cloudflare.comdns@cloudflare.com serial=2407233773 | ||||||
rank #508495 globally
rank #216609 in the tld
WOT: UNKNOWN (82/100)
📈 Tranco rank: #54,322
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●A104.21.62.492026-04-14 → 2026-07-12 · 2 obs
● 2026-04-14 14:38:40
● 2026-07-12 10:54:50
● 2026-07-12 10:54:50
●A172.67.220.652026-04-14 → 2026-07-12 · 2 obs
● 2026-04-14 14:38:40
● 2026-07-12 10:54:50
● 2026-07-12 10:54:50
○A2606:4700:3031::6815:3e312026-04-14 → 2026-05-23 · 3 obs
● 2026-04-14 14:38:40
● 2026-05-23 04:11:02
○ 2026-07-12 10:54:50
● 2026-05-23 04:11:02
○ 2026-07-12 10:54:50
●A2606:4700:3034::ac43:dc412026-04-14 → 2026-07-12 · 2 obs
● 2026-04-14 14:38:40
● 2026-07-12 10:54:50
● 2026-07-12 10:54:50
●A2606:4700:3036::6815:3e312026-07-12 → 2026-07-12 · 2 obs
○ 2026-05-23 04:11:02
● 2026-07-12 10:54:50
● 2026-07-12 10:54:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net... | - |
| pgr21.com | heidi.ns.cloudflare.com, kenneth.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.236
NS records: heidi.ns.cloudflare.com, kenneth.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pgr21.com (unsigned zone)
⏱️ Timing
Total: 443ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.62.49, 172.67.220.65 |
| AAAA | 2 | 2606:4700:3036::6815:3e31, 2606:4700:3034::ac43:dc41 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (heidi.ns.cloudflare.com, heidi.ns.cloudflare.com, heidi.ns.cloudflare.com...)
Analysis
IP Addresses
cdn.pgr21.com directs to four IP numbers, which are 104.21.62.49, 172.67.220.65, 2606:4700:3034::ac43:dc41 and 2606:4700:3036::6815:3e31.
neuropathologyweb.org, craijaicroo.ru.com, dlrin.com and two other host names share IP numbers with cdn.pgr21.com.