stacktech.vn - dns.ninja
stacktech.vn
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3036::6815:5e6eπΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:debbπΊπΈ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.94.110Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.222.187πΊπΈ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | conrad.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::a29f:2c92πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | conrad.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c392π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | conrad.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2392πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | conrad.ns.cloudflare.com | ||||||
| A | 108.162.195.146πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | conrad.ns.cloudflare.com | ||||||
| A | 162.159.44.146Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | conrad.ns.cloudflare.com | ||||||
| A | 172.64.35.146πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | conrad.ns.cloudflare.com | ||||||
| NS | fatima.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26bcπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2bcπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22bcπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 108.162.194.188πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 162.159.38.188Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 172.64.34.188πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| MX | mx2.zoho.com β | ||||||
| A | 136.143.191.44πΊπΈ ZohoAS136.143.190.0/23 Zoho Corporation | ||||||
| PTR | mx2.zoho.com | ||||||
| PTR | mx3.zoho.com | ||||||
| PTR | mx.zoho.com | ||||||
| PTR | mx2.zohomail.com | ||||||
| PTR | mx3.zohomail.com | ||||||
| PTR | mx.zohomail.com | ||||||
| MX | mx3.zoho.com(20) | ||||||
| A | 136.143.191.44πΊπΈ ZohoAS136.143.190.0/23 Zoho Corporation | ||||||
| PTR | mx2.zoho.com | ||||||
| PTR | mx3.zoho.com | ||||||
| PTR | mx.zoho.com | ||||||
| PTR | mx2.zohomail.com | ||||||
| PTR | mx3.zohomail.com | ||||||
| PTR | mx.zohomail.com | ||||||
| MX | mx.zoho.com(50) | ||||||
| A | 136.143.191.44πΊπΈ ZohoAS136.143.190.0/23 Zoho Corporation | ||||||
| PTR | mx2.zoho.com | ||||||
| PTR | mx3.zoho.com | ||||||
| PTR | mx.zoho.com | ||||||
| PTR | mx2.zohomail.com | ||||||
| PTR | mx3.zohomail.com | ||||||
| PTR | mx.zohomail.com | ||||||
| TXT | v=spf1 include:zoho.com ~all | ||||||
| TXT | zoho-verification=zb58525418.zmverify.zoho.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.94.110, 172.67.222.187 | ||||||
| IPv6 hints | 2606:4700:3036::6815:5e6e, 2606:4700:3037::ac43:debb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com | ||||||
| SOA | conrad.ns.cloudflare.comdns@cloudflare.com serial=2414727116 | ||||||
vn
| DNSSEC | π Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn β | ||||||
| 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=2031218786 | ||||||
Same first word
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DNS History
13 records (9 active, 4 former)
βNSconrad.ns.cloudflare.com2026-09-05 β 2026-09-14 Β· 2 obs
β 2026-09-14 20:59:02
βNSfatima.ns.cloudflare.com2026-09-05 β 2026-09-14 Β· 2 obs
β 2026-09-14 20:59:02
βA104.21.94.1102026-09-06 β 2026-09-14 Β· 3 obs
β 2026-09-06 14:59:10
β 2026-09-14 20:59:02
βA172.67.222.1872026-09-06 β 2026-09-14 Β· 3 obs
β 2026-09-06 14:59:10
β 2026-09-14 20:59:02
βA188.114.96.02026-09-05 β 2026-09-05 Β· 3 obs
β 2026-09-06 14:59:10
β 2026-09-14 20:59:02
βA188.114.97.02026-09-05 β 2026-09-05 Β· 3 obs
β 2026-09-06 14:59:10
β 2026-09-14 20:59:02
βA2606:4700:3036::6815:5e6e2026-09-06 β 2026-09-14 Β· 3 obs
β 2026-09-06 14:59:10
β 2026-09-14 20:59:02
βA2606:4700:3037::ac43:debb2026-09-06 β 2026-09-14 Β· 3 obs
β 2026-09-06 14:59:10
β 2026-09-14 20:59:02
βA2a06:98c1:3120::2026-09-05 β 2026-09-05 Β· 3 obs
β 2026-09-06 14:59:10
β 2026-09-14 20:59:02
βA2a06:98c1:3121::2026-09-05 β 2026-09-05 Β· 3 obs
β 2026-09-06 14:59:10
β 2026-09-14 20:59:02
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | f.dns-servers.vn, d.dns-servers.vn, b.dns-servers.vn, h.dns-servers.vn... | 15 records |
| stacktech.vn | conrad.ns.cloudflare.com, fatima.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.34.188
NS records: conrad.ns.cloudflare.com, fatima.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for stacktech.vn (unsigned zone)
β±οΈ Timing
Total: 1496ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.94.110, 172.67.222.187 |
| AAAA | 2 | 2606:4700:3036::6815:5e6e, 2606:4700:3037::ac43:debb |
| NS | 2 | conrad.ns.cloudflare.com, fatima.ns.cloudflare.com |
| MX | 3 | mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)... |
| TXT | 2 | v=spf1 include:zoho.com ~all, zoho-verification=zb58525418.zmverify.zo |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | conrad.ns.cloudflare.com dns.cloudflare. |
π Glue Records Collected
Total: 15
In-bailiwick: 15 (h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn...)
Analysis
IP Addresses
stacktech.vn resolves to four IP addresses: 104.21.94.110, 172.67.222.187, 2606:4700:3036::6815:5e6e and 2606:4700:3037::ac43:debb.
Two other host names, along with littlelearners.co.uk, zh.nantong101.ru and ocaxabo.top, also share IP numbers with stacktech.vn.
Name Servers
stacktech.vn is served by two delegated name servers, conrad.ns.cloudflare.com and fatima.ns.cloudflare.com.
stacktech.vn shares its NS records with other domains, for example zora4d-games.pages.dev, nobita138win01.com, aesircompany.shop and two others.
stacktech.vn shares at least some of its name servers with other domains, including tarbrushatlas.digital, iwwoodstudioco.click, 6080xinshijue.com and two others.
These name servers are frequently seen alongside the name servers becky.ns.cloudflare.com, pedro.ns.cloudflare.com, zita.ns.cloudflare.com and fred.ns.cloudflare.com.
DNS names with 6 IP addresses:
conrad.ns.cloudflare.com carries IP addresses 108.162.195.146, 162.159.44.146 and 172.64.35.146, with 3 other addresses beyond those.
fatima.ns.cloudflare.com carries IP addresses 108.162.194.188, 162.159.38.188 and 172.64.34.188, with 3 other addresses beyond those.
Mail Servers
stacktech.vn is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.
There is at least a partial MX overlap between stacktech.vn and other domains, including ifsg-group.com, huongsen.vn, srkcreative.com and two others.
mx2.zoho.com, mx3.zoho.com and mx.zoho.com all resolve to 136.143.191.44, with each host carrying exactly one IP address.
Each of mx2.zoho.com, mx3.zoho.com and mx.zoho.com resolves to 136.143.191.44.