xfast.vn - robtex.com

xfast.vn

DNSSEC⚠️ Not signed
A103.90.227.151πŸ‡»πŸ‡³ VNPT-AS-VN103.90.227.0/24 Vietnam Post and Telecom Corporation (VNPT)
NSdahlia.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a59πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A2803:f800:50::6ca2:c059πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdahlia.ns.cloudflare.com
A2a06:98c1:50::ac40:2059πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRdahlia.ns.cloudflare.com
A108.162.192.89πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A172.64.32.89πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A173.245.58.89πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
NSjake.ns.cloudflare.com
A2606:4700:58::adf5:3b7aπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjake.ns.cloudflare.com
A2803:f800:50::6ca2:c17aπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjake.ns.cloudflare.com
A2a06:98c1:50::ac40:217aπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRjake.ns.cloudflare.com
A108.162.193.122πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjake.ns.cloudflare.com
A172.64.33.122πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjake.ns.cloudflare.com
A173.245.59.122πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjake.ns.cloudflare.com
MXmx1.larksuite.com ⭐
A18.139.153.173πŸ‡ΈπŸ‡¬ Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx2.larksuite.com(5)
A18.139.153.173πŸ‡ΈπŸ‡¬ Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx3.larksuite.com(10)
A18.139.153.173πŸ‡ΈπŸ‡¬ Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
A101.126.58.223πŸ‡¨πŸ‡³ VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.230.154πŸ‡¨πŸ‡³ CHINAMOBILE-CN122.14.224.0/20
TXTatlassian-domain-verification=ih/NImdcNr4lhA4pbjFlL6GuouvKiwAeZyAXXAth1e6RHYY...
TXTv=spf1 +include:spf.onlarksuite.com -all
TXTverification-code-site-App_lark=PCv07ZlCdJdwAKT439Zx
SOAdahlia.ns.cloudflare.comdns@cloudflare.com serial=2399373537

vn

DNSSECπŸ”’ Signed (DS record present)
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn
NSb.dns-servers.vn
NSc.dns-servers.vn
NSd.dns-servers.vn
NSe.dns-servers.vn
NSf.dns-servers.vn
NSg.dns-servers.vn
NSh.dns-servers.vn
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2030754230

Subdomains

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSdahlia.ns.cloudflare.comjake.ns.cloudflare.comMXmx1.larksuite.commx2.larksuite.commx3.larksuite.comA103.90.227.151
●NSdahlia.ns.cloudflare.com2026-05-01 β†’ 2026-05-10 Β· 2 obs
● 2026-05-01 10:49:08
● 2026-05-10 07:43:28
●NSjake.ns.cloudflare.com2026-05-01 β†’ 2026-05-10 Β· 2 obs
● 2026-05-01 10:49:08
● 2026-05-10 07:43:28
●MXmx1.larksuite.com2026-05-01 β†’ 2026-05-10 Β· 2 obs
● 2026-05-01 10:49:08
● 2026-05-10 07:43:28
●MXmx2.larksuite.com2026-05-01 β†’ 2026-05-10 Β· 2 obs
● 2026-05-01 10:49:08
● 2026-05-10 07:43:28
●MXmx3.larksuite.com2026-05-01 β†’ 2026-05-10 Β· 2 obs
● 2026-05-01 10:49:08
● 2026-05-10 07:43:28
●A103.90.227.1512026-05-01 β†’ 2026-05-10 Β· 2 obs
● 2026-05-01 10:49:08
● 2026-05-10 07:43:28

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
vne.dns-servers.vn, b.dns-servers.vn, a.dns-servers.vn, g.dns-servers.vn...-
xfast.vndahlia.ns.cloudflare.com, jake.ns.cloudflare.com-

βœ… Authoritative Response

Server:172.64.32.89

NS records: dahlia.ns.cloudflare.com, jake.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xfast.vn (unsigned zone)

⏱️ Timing

Total: 971ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1103.90.227.151
NS2dahlia.ns.cloudflare.com, jake.ns.cloudflare.com
MX3mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)...
TXT3atlassian-domain-verification=ih/NImdcNr, v=spf1 +include:spf.onlarksuite.com -all...
SOA1dahlia.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

xfast.vn is the parent of appdev.xfast.vn and cdndev.xfast.vn.

IP Addresses

xfast.vn points to an IP address: 103.90.227.151.

Other host names, for instance cdndev.xfast.vn and appdev.xfast.vn, share IP numbers with xfast.vn.

Name Servers

Two name servers dahlia.ns.cloudflare.com and jake.ns.cloudflare.com handle the delegation for xfast.vn.

xfast.vn shares the same name server setup as other domains, for instance redbankpark.com, lkbmg.com, a-co.se, pararkitekter.se and ircep.org.

xfast.vn at least partially shares name servers with other domains, for instance horasjaya.com, bentleysalescompetition.org, midwestcareers.org, kitm.co.in and bananagiveaway.com.

These name servers are commonly used with sullivan.ns.cloudflare.com and sue.ns.cloudflare.com.

Six IP addresses per host:

dahlia.ns.cloudflare.com points to 2606:4700:50::adf5:3a59, 2803:f800:50::6ca2:c059, 2a06:98c1:50::ac40:2059, 108.162.192.89, 172.64.32.89 and 173.245.58.89; jake.ns.cloudflare.com points to 2606:4700:58::adf5:3b7a, 2803:f800:50::6ca2:c17a, 2a06:98c1:50::ac40:217a, 108.162.193.122, 172.64.33.122 and 173.245.59.122

Mail Servers

Three mail servers handle xfast.vn: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

xfast.vn shares at least partially some mail servers with other domains, for instance 4m.com, hoangquanco.com, wg.mk, chuyennhatrongoi24h.net and phanhoanggia.com.

Host names with three IP numbers:

mx3.larksuite.com points to: 18.139.153.173, 101.126.58.223 and 122.14.230.154

Host names with one IP number:

mx1.larksuite.com points to: 18.139.153.173

mx2.larksuite.com points to: 18.139.153.173

Host names pointing to 18.139.153.173: mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com