masterrtp21.net - robtex.com
masterrtp21.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:2f13🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3030::ac43:aa0b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.47.19Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.170.11🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | casey.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c9e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | casey.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c39e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | casey.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:239e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | casey.ns.cloudflare.com | ||||||
| A | 108.162.195.158🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | casey.ns.cloudflare.com | ||||||
| A | 162.159.44.158Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | casey.ns.cloudflare.com | ||||||
| A | 172.64.35.158🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | casey.ns.cloudflare.com | ||||||
| NS | nina.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a88🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c088🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2088🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nina.ns.cloudflare.com | ||||||
| A | 108.162.192.136🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nina.ns.cloudflare.com | ||||||
| A | 172.64.32.136🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nina.ns.cloudflare.com | ||||||
| A | 173.245.58.136🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nina.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.47.19, 172.67.170.11 | ||||||
| IPv6 hints | 2606:4700:3030::6815:2f13, 2606:4700:3030::ac43:aa0b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com | ||||||
| SOA | casey.ns.cloudflare.comdns@cloudflare.com serial=2406583074 | ||||||
net
| 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=1785121192 | ||||||
Same first word
masterrtp21.net |
masterrtp21.com |
DNS History
7 records (6 active, 1 former)
●NScasey.ns.cloudflare.com2026-05-14 → 2026-07-27 · 2 obs
● 2026-07-27 03:14:36
●NSnina.ns.cloudflare.com2026-05-14 → 2026-07-27 · 2 obs
● 2026-07-27 03:14:36
●A104.21.47.192026-05-14 → 2026-07-27 · 2 obs
● 2026-07-27 03:14:36
●A172.67.170.112026-05-14 → 2026-07-27 · 2 obs
● 2026-07-27 03:14:36
●A2606:4700:3030::6815:2f132026-05-14 → 2026-07-27 · 2 obs
● 2026-07-27 03:14:36
●A2606:4700:3030::ac43:aa0b2026-06-27 → 2026-07-27 · 3 obs
● 2026-06-27 14:01:30
● 2026-07-27 03:14:36
○A2606:4700:3036::ac43:aa0b2026-05-14 → 2026-06-15 · 4 obs
● 2026-06-15 06:42:00
○ 2026-06-27 14:01:30
○ 2026-07-27 03:14:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net... | - |
| masterrtp21.net | nina.ns.cloudflare.com, casey.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.136
NS records: nina.ns.cloudflare.com, casey.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masterrtp21.net (unsigned zone)
⏱️ Timing
Total: 580ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.47.19, 172.67.170.11 |
| AAAA | 2 | 2606:4700:3030::ac43:aa0b, 2606:4700:3030::6815:2f13 |
| NS | 2 | casey.ns.cloudflare.com, nina.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | casey.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
masterrtp21.net points to the four IP addresses 104.21.47.19, 172.67.170.11, 2606:4700:3030::6815:2f13 and 2606:4700:3030::ac43:aa0b.
Additional host names — www.newpefrontoffice.com, tecnoinforme.com.br, www.serwislodz.pl and two others — share IP numbers with masterrtp21.net.
Name Servers
The NS records for masterrtp21.net delegate to casey.ns.cloudflare.com and nina.ns.cloudflare.com.
masterrtp21.net shares its name server setup with other domains, including h3b4t.com, masterrtp21.com, getairtucson.com and two others.
The name servers of masterrtp21.net overlap at least partially with those of other domains — among them jam.blue, thefloodlawfirm.com, mirvoazmuxoex.com and two more.
These name servers commonly appear in combination with the name servers kim.ns.cloudflare.com.
Host names with 6 IP numbers:
casey.ns.cloudflare.com maps to 108.162.195.158, 162.159.44.158, 172.64.35.158 and 3 additional IP addresses.
nina.ns.cloudflare.com maps to 108.162.192.136, 172.64.32.136, 173.245.58.136 and 3 additional IP addresses.