twice.vn - robtex.com
twice.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:33fe🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:c086🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.51.254Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.192.134🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | john.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bb9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1b9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21b9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| A | 108.162.193.185🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| A | 172.64.33.185🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| A | 173.245.59.185🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| NS | opal.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2664🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c264🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2264🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| A | 108.162.194.100🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| A | 162.159.38.100Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| A | 172.64.34.100🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | opal.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.51.254, 172.67.192.134 | ||||||
| IPv6 | 2606:4700:3033::6815:33fe, 2606:4700:3033::ac43:c086 | ||||||
| SOA | john.ns.cloudflare.comdns@cloudflare.com serial=2398195652 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030593283 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSjohn.ns.cloudflare.com2026-03-21 → 2026-03-28 · 2 obs
● 2026-03-28 06:33:56
●NSopal.ns.cloudflare.com2026-03-21 → 2026-03-28 · 2 obs
● 2026-03-28 06:33:56
●A104.21.51.2542026-03-21 → 2026-03-28 · 2 obs
● 2026-03-28 06:33:56
●A172.67.192.1342026-03-21 → 2026-03-28 · 2 obs
● 2026-03-28 06:33:56
●A2606:4700:3033::6815:33fe2026-03-21 → 2026-03-28 · 2 obs
● 2026-03-28 06:33:56
●A2606:4700:3033::ac43:c0862026-03-21 → 2026-03-28 · 2 obs
● 2026-03-28 06:33:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| twice.vn | john.ns.cloudflare.com, opal.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.185
NS records: john.ns.cloudflare.com, opal.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for twice.vn (unsigned zone)
⏱️ Timing
Total: 885ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.192.134, 104.21.51.254 |
| AAAA | 2 | 2606:4700:3033::ac43:c086, 2606:4700:3033::6815:33fe |
| NS | 2 | john.ns.cloudflare.com, opal.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | john.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
twice.vn maps to four IP numbers: 2606:4700:3033::6815:33fe, 2606:4700:3033::ac43:c086, 104.21.51.254 and 172.67.192.134.
other host names include oasisforyoursoul.com, www.xslwatch.com, www.dyccwh.com, mx0.juanmartin-stefania.com and (0x706f726e)ologie.fr; they share IP numbers with twice.vn.
Name Servers
Two name servers john.ns.cloudflare.com and opal.ns.cloudflare.com handle the delegation for twice.vn.
twice.vn shares the same name server setup as other domains, for instance aapd.com, tdwrn.workers.dev, maskoff-bar.de, asggames.com and inquoctuan.vn.
twice.vn at least partially shares name servers with other domains, for instance elitepalacepoint.com, journalofzoology.com, ourvet.co.nz, salzburgbus.com and sportsmaster.no.
These name servers are commonly used alongside stella.ns.cloudflare.com, olof.ns.cloudflare.com and princess.ns.cloudflare.com.
Six IP addresses per host:
john.ns.cloudflare.com points to 2606:4700:58::adf5:3bb9, 2803:f800:50::6ca2:c1b9, 2a06:98c1:50::ac40:21b9, 108.162.193.185, 172.64.33.185 and 173.245.59.185; opal.ns.cloudflare.com points to 2606:4700:50::a29f:2664, 2803:f800:50::6ca2:c264, 2a06:98c1:50::ac40:2264, 108.162.194.100, 162.159.38.100 and 172.64.34.100