51hdna.com - robtex.com
51hdna.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:1480🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:c0e6🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.20.128Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.192.230🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | monroe.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2699🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | monroe.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c299🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | monroe.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2299🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | monroe.ns.cloudflare.com | ||||||
| A | 108.162.194.153🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | monroe.ns.cloudflare.com | ||||||
| A | 162.159.38.153Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | monroe.ns.cloudflare.com | ||||||
| A | 172.64.34.153🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | monroe.ns.cloudflare.com | ||||||
| NS | rodrigo.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c4e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rodrigo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c34e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rodrigo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:234e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rodrigo.ns.cloudflare.com | ||||||
| A | 108.162.195.78🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rodrigo.ns.cloudflare.com | ||||||
| A | 162.159.44.78Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rodrigo.ns.cloudflare.com | ||||||
| A | 172.64.35.78🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rodrigo.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.20.128, 172.67.192.230 | ||||||
| IPv6 hints | 2606:4700:3030::6815:1480, 2606:4700:3035::ac43:c0e6 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com | ||||||
| SOA | monroe.ns.cloudflare.comdns@cloudflare.com serial=2400249182 | ||||||
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=1776266562 | ||||||
Same first word
51hdna.com |
DNS History
6 records (6 active, 0 former)
●NSmonroe.ns.cloudflare.com2026-03-21 → 2026-04-15 · 2 obs
● 2026-04-15 15:35:18
●NSrodrigo.ns.cloudflare.com2026-03-21 → 2026-04-15 · 2 obs
● 2026-04-15 15:35:18
●A104.21.20.1282026-03-21 → 2026-04-15 · 2 obs
● 2026-04-15 15:35:18
●A172.67.192.2302026-03-21 → 2026-04-15 · 2 obs
● 2026-04-15 15:35:18
●A2606:4700:3030::6815:14802026-03-21 → 2026-04-15 · 2 obs
● 2026-04-15 15:35:18
●A2606:4700:3035::ac43:c0e62026-03-21 → 2026-04-15 · 2 obs
● 2026-04-15 15:35:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net... | - |
| 51hdna.com | monroe.ns.cloudflare.com, rodrigo.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.78
NS records: monroe.ns.cloudflare.com, rodrigo.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51hdna.com (unsigned zone)
⏱️ Timing
Total: 365ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.20.128, 172.67.192.230 |
| AAAA | 2 | 2606:4700:3035::ac43:c0e6, 2606:4700:3030::6815:1480 |
| NS | 2 | monroe.ns.cloudflare.com, rodrigo.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | monroe.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (monroe.ns.cloudflare.com, monroe.ns.cloudflare.com, monroe.ns.cloudflare.com...)
Analysis
IP Addresses
51hdna.com points to four IP numbers: 2606:4700:3030::6815:1480, 2606:4700:3035::ac43:c0e6, 104.21.20.128 and 172.67.192.230.
For instance, other host names urosevic.net, slomdersrcv2847129.digital, tapan.go.th, morak.xyz and timun-merah.com share IP numbers with 51hdna.com.
Name Servers
51hdna.com is delegated to two name servers: monroe.ns.cloudflare.com and rodrigo.ns.cloudflare.com.
51hdna.com uses the same name server setup as other domains such as fmpee.com, uadc.com.cn, zhumengbk.com, (0x64696c646f)pantvideos.info and pyho.cn.
51hdna.com shares name servers with other domains at least partially, for example yagevill.com, blocksi.net, fipe-nezas.online, lbjpnyk.com and rodeoslots.ca.
These name servers are commonly used with guss.ns.cloudflare.com, chad.ns.cloudflare.com and lovisa.ns.cloudflare.com.
Host names with six IP numbers: host name monroe.ns.cloudflare.com points to: 2606:4700:50::a29f:2699, 2803:f800:50::6ca2:c299, 2a06:98c1:50::ac40:2299, 108.162.194.153, 162.159.38.153 and 172.64.34.153; host name rodrigo.ns.cloudflare.com points to: 2606:4700:58::a29f:2c4e, 2803:f800:50::6ca2:c34e, 2a06:98c1:50::ac40:234e, 108.162.195.78, 162.159.44.78 and 172.64.35.78.