`simcuatui.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:bb22^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:48a9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.169^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.34^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alina.ns.cloudflare.com`
		A	108.162.192.61^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
		A	172.64.32.61^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
		A	173.245.58.61^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
NS	`paul.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c187^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`paul.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2187^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`paul.ns.cloudflare.com`
		A	108.162.193.135^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	172.64.33.135^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	173.245.59.135^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.72.169, 172.67.187.34
		IPv6 hints	2606:4700:3031::ac43:bb22, 2606:4700:3035::6815:48a9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOA	`alina.ns.cloudflare.com`dns@cloudflare.com serial=2397474215

`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.vn`postmaster@vnnic.vn serial=2030653500

Same first word

simcuatui.com

simcuatui.vn

DNS History

17 records (6 active, 11 former)

●NSalina.ns.cloudflare.com2026-03-31 → 2026-04-13 · 3 obs

○ 2017-05-19 20:39:48
● 2026-03-31 18:19:04
● 2026-04-13 02:01:40

○NSdana.ns.cloudflare.com2017-05-19 → 2017-05-19 · 4 obs

○ 2016-09-22 15:01:04
● 2017-05-19 20:39:48
○ 2026-03-31 18:19:04
○ 2026-04-13 02:01:40

○NSkip.ns.cloudflare.com2017-05-19 → 2017-05-19 · 4 obs

○ 2016-09-22 15:01:04
● 2017-05-19 20:39:48
○ 2026-03-31 18:19:04
○ 2026-04-13 02:01:40

○NSns1.tenten.vn2016-04-08 → 2016-09-22 · 5 obs

○ 2015-12-18 01:52:44
● 2016-04-08 12:14:42
● 2016-09-22 15:01:04
○ 2017-05-19 20:39:48
○ 2026-04-13 02:01:40

○NSns4.tenten.vn2015-05-31 → 2016-09-22 · 6 obs

● 2015-05-31 19:31:30
● 2015-12-18 01:52:44
○ 2016-04-08 12:14:42
● 2016-09-22 15:01:04
○ 2017-05-19 20:39:48
○ 2026-04-13 02:01:40

○NSns5.tenten.vn2015-05-31 → 2016-09-22 · 4 obs

● 2015-05-31 19:31:30
● 2016-09-22 15:01:04
○ 2017-05-19 20:39:48
○ 2026-04-13 02:01:40

○NSns6.tenten.vn2015-05-31 → 2016-09-22 · 4 obs

● 2015-05-31 19:31:30
● 2016-09-22 15:01:04
○ 2017-05-19 20:39:48
○ 2026-04-13 02:01:40

●NSpaul.ns.cloudflare.com2026-03-31 → 2026-04-13 · 3 obs

○ 2017-05-19 20:39:48
● 2026-03-31 18:19:04
● 2026-04-13 02:01:40

○MXmail.simcuatui.vn2015-05-31 → 2016-04-08 · 4 obs

● 2015-05-31 19:31:30
● 2016-04-08 12:14:42
○ 2016-09-22 15:01:04
○ 2026-04-13 02:01:40

●A104.21.72.1692026-03-31 → 2026-04-13 · 3 obs

○ 2017-05-19 20:39:48
● 2026-03-31 18:19:04
● 2026-04-13 02:01:40

○A112.213.89.312015-10-17 → 2016-04-08 · 5 obs

○ 2015-05-31 19:31:30
● 2015-10-17 01:39:08
● 2016-04-08 12:14:42
○ 2016-09-22 15:01:04
○ 2026-04-13 02:01:40

○A139.162.12.2292017-05-19 → 2017-05-19 · 4 obs

○ 2016-09-22 15:01:04
● 2017-05-19 20:39:48
○ 2026-03-31 18:19:04
○ 2026-04-13 02:01:40

○A14.0.19.2132015-05-31 → 2015-05-31 · 3 obs

● 2015-05-31 19:31:30
○ 2015-10-17 01:39:08
○ 2026-04-13 02:01:40

●A172.67.187.342026-03-31 → 2026-04-13 · 3 obs

○ 2017-05-19 20:39:48
● 2026-03-31 18:19:04
● 2026-04-13 02:01:40

○A173.194.64.1212016-09-22 → 2016-09-22 · 4 obs

○ 2016-04-08 12:14:42
● 2016-09-22 15:01:04
○ 2017-05-19 20:39:48
○ 2026-04-13 02:01:40

●A2606:4700:3031::ac43:bb222026-03-31 → 2026-04-13 · 3 obs

○ 2017-05-19 20:39:48
● 2026-03-31 18:19:04
● 2026-04-13 02:01:40

●A2606:4700:3035::6815:48a92026-03-31 → 2026-04-13 · 3 obs

○ 2017-05-19 20:39:48
● 2026-03-31 18:19:04
● 2026-04-13 02:01:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	b.dns-servers.vn, d.dns-servers.vn, a.dns-servers.vn, g.dns-servers.vn...	-
simcuatui.vn	paul.ns.cloudflare.com, alina.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.135

NS records: paul.ns.cloudflare.com, alina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simcuatui.vn (unsigned zone)

⏱️ Timing

Total: 1033ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.187.34, 104.21.72.169`
AAAA	2	`2606:4700:3031::ac43:bb22, 2606:4700:3035::6815:48a9`
NS	2	`alina.ns.cloudflare.com, paul.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alina.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

simcuatui.vn points to four IP numbers: 2606:4700:3031::ac43:bb22, 2606:4700:3035::6815:48a9, 104.21.72.169 and 172.67.187.34.

Other host names including mail.par3.it, mail.generalt.ru, nbhshop.com, petronellatech.com and dondang.go.th share IP numbers with simcuatui.vn.

Name Servers

simcuatui.vn's delegation uses two name servers, alina.ns.cloudflare.com and paul.ns.cloudflare.com.

simcuatui.vn shares the same name server setup as other domains, for example juanillo62gm.com, strikeminer.com, simanbinh.com, surplus17.com and crcpa.com.

simcuatui.vn at least partially shares name servers with other domains, including qiandt.com, melides.com, moldovan.it, shidaiyishu.com and umptokigos.com.

these name servers are commonly used together with lennon.ns.cloudflare.com, arya.ns.cloudflare.com and justin.ns.cloudflare.com.

Host names with six IP numbers:

alina.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3d, 2803:f800:50::6ca2:c03d, 2a06:98c1:50::ac40:203d, 108.162.192.61, 172.64.32.61 and 173.245.58.61.

paul.ns.cloudflare.com points to: 2606:4700:58::adf5:3b87, 2803:f800:50::6ca2:c187, 2a06:98c1:50::ac40:2187, 108.162.193.135, 172.64.33.135 and 173.245.59.135.

simcuatui.vn - robtex.com

simcuatui.vn

vn

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`simcuatui.vn`

`vn`