duclongtech.com - robtex.com
duclongtech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:d758🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:5637🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.86.55Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.215.88🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | amit.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c13f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:213f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| A | 108.162.193.63🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| A | 172.64.33.63🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| A | 173.245.59.63🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amit.ns.cloudflare.com | ||||||
| NS | cheryl.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a53🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cheryl.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c053🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cheryl.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2053🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cheryl.ns.cloudflare.com | ||||||
| A | 108.162.192.83🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cheryl.ns.cloudflare.com | ||||||
| A | 172.64.32.83🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cheryl.ns.cloudflare.com | ||||||
| A | 173.245.58.83🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cheryl.ns.cloudflare.com | ||||||
| MX | route1.mx.cloudflare.net ⭐ | ||||||
| A | 2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| MX | route2.mx.cloudflare.net(51) | ||||||
| A | 2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| MX | route3.mx.cloudflare.net(66) | ||||||
| A | 2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| TXT | google-site-verification=Vi3HY-jdcC_S-Zm7H65G5n0v5vzYe7fe8RnOAoQkqT8 | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.86.55, 172.67.215.88 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:d758, 2606:4700:3036::6815:5637 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=196, name=cloudflare-ech.com | ||||||
| SOA | amit.ns.cloudflare.comdns@cloudflare.com serial=2399436908 | ||||||
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=1775408857 | ||||||
Same first word
duclongtech.com |
DNS History
9 records (9 active, 0 former)
●NSamit.ns.cloudflare.com2026-03-04 → 2026-04-05 · 2 obs
● 2026-04-05 17:16:38
●NScheryl.ns.cloudflare.com2026-03-04 → 2026-04-05 · 2 obs
● 2026-04-05 17:16:38
●MXroute1.mx.cloudflare.net2026-03-04 → 2026-04-05 · 2 obs
● 2026-04-05 17:16:38
●MXroute2.mx.cloudflare.net2026-03-04 → 2026-04-05 · 2 obs
● 2026-04-05 17:16:38
●MXroute3.mx.cloudflare.net2026-03-04 → 2026-04-05 · 2 obs
● 2026-04-05 17:16:38
●A104.21.86.552026-03-04 → 2026-04-05 · 2 obs
● 2026-04-05 17:16:38
●A172.67.215.882026-03-04 → 2026-04-05 · 2 obs
● 2026-04-05 17:16:38
●A2606:4700:3031::ac43:d7582026-03-04 → 2026-04-05 · 2 obs
● 2026-04-05 17:16:38
●A2606:4700:3036::6815:56372026-03-04 → 2026-04-05 · 2 obs
● 2026-04-05 17:16:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| duclongtech.com | cheryl.ns.cloudflare.com, amit.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.83
NS records: cheryl.ns.cloudflare.com, amit.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duclongtech.com (unsigned zone)
⏱️ Timing
Total: 127ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.86.55, 172.67.215.88 |
| AAAA | 2 | 2606:4700:3036::6815:5637, 2606:4700:3031::ac43:d758 |
| NS | 2 | amit.ns.cloudflare.com, cheryl.ns.cloudflare.com |
| MX | 3 | route1.mx.cloudflare.net (pri: 28), route2.mx.cloudflare.net (pri: 51)... |
| TXT | 2 | google-site-verification=Vi3HY-jdcC_S-Zm, v=spf1 include:_spf.mx.cloudflare.net ~a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amit.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (cheryl.ns.cloudflare.com, cheryl.ns.cloudflare.com, cheryl.ns.cloudflare.com...)
Analysis
IP Addresses
Four IP numbers are pointed to by duclongtech.com: 2606:4700:3031::ac43:d758, 2606:4700:3036::6815:5637, 104.21.86.55 and 172.67.215.88.
other host names including www.tjnugentdc.com, olympushero.com, www.tunecomp.net, georgschlegel.ch and inmobiliariafurelos.com share IP numbers with duclongtech.com.
Name Servers
duclongtech.com is delegated to two name servers amit.ns.cloudflare.com and cheryl.ns.cloudflare.com.
duclongtech.com shares the same name server setup as other domains, for instance daotaohan.edu.vn, pci.vn, sonha.vn, vizualireklama.com and fskf.dk.
duclongtech.com at least partially shares name servers with other domains, for instance everythingkitchens.com, vurl.ir, sdsnw.com, coryweeds.com and go88v.fun.
These name servers are commonly used with logan.ns.cloudflare.com, raegan.ns.cloudflare.com and lindsey.ns.cloudflare.com.
Host names with six IP numbers:
Host name amit.ns.cloudflare.com points to: 2606:4700:58::adf5:3b3f, 2803:f800:50::6ca2:c13f, 2a06:98c1:50::ac40:213f, 108.162.193.63, 172.64.33.63 and 173.245.59.63.
Host name cheryl.ns.cloudflare.com points to: 2606:4700:50::adf5:3a53, 2803:f800:50::6ca2:c053, 2a06:98c1:50::ac40:2053, 108.162.192.83, 172.64.32.83 and 173.245.58.83.
Mail Servers
duclongtech.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
duclongtech.com shares some mail servers with other domains, at least partially, for instance mijngeboortezorg.nl, rocketsgalore.com, poolmaintenancelewisville.com, dublinscience2012.ie and divetrak.com.
Host names with six IP numbers:
Host name route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.
Host name route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.
Host name route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.