mapstudy.vn - dns.ninja

`mapstudy.vn`

DNSSEC	⚠️ Not signed
A	101.99.47.36^{🇻🇳 CMC-1101.99.47.0/24 CMCTELECOM-VN}
		PTR	`static.cmcti.vn`
NS	`howard.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`howard.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`howard.ns.cloudflare.com`
		A	108.162.195.171^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
		A	162.159.44.171^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
		A	172.64.35.171^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
NS	`paislee.ns.cloudflare.com`
		A	2606:4700:50::a29f:26b7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`paislee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`paislee.ns.cloudflare.com`
		A	108.162.194.183^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.183^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.183^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
TXT	`google-site-verification=0b8_98F9sRsTOaf0keXFlOwWdDtb6Rt4xcTVclrTQ1g`
TXT	`v=spf1 include:_spf.google.com -all`
TXT	`v=spf1 include:dn(0x736578)it.com include:_spf.umailsmtp.com -all`
SOA	`howard.ns.cloudflare.com`dns@cloudflare.com serial=2408362330

`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 2031-05-07 #86

Same first word

mapstudy.edu.vn

mapstudy.property

mapstudy.vn

Similar names

ampstudy.org.za

mpastudy.net

studymap.com.tw

studymap.co.kr

stumpday.net

ampstudy.org

DNS History

8 records (4 active, 4 former)

●NShoward.ns.cloudflare.com2026-05-01 → 2026-07-29 · 2 obs

● 2026-05-01 06:46:42
● 2026-07-29 09:22:18

●NSpaislee.ns.cloudflare.com2026-05-01 → 2026-07-29 · 2 obs

● 2026-05-01 06:46:42
● 2026-07-29 09:22:18

●MXsmtp.google.com2026-05-01 → 2026-07-29 · 2 obs

● 2026-05-01 06:46:42
● 2026-07-29 09:22:18

●A101.99.47.362026-05-23 → 2026-07-29 · 3 obs

○ 2026-05-16 00:29:30
● 2026-05-23 07:26:26
● 2026-07-29 09:22:18

○A104.21.75.1812026-05-01 → 2026-05-16 · 4 obs

● 2026-05-01 06:46:42
● 2026-05-16 00:29:30
○ 2026-05-23 07:26:26
○ 2026-07-29 09:22:18

○A172.67.180.262026-05-01 → 2026-05-16 · 4 obs

● 2026-05-01 06:46:42
● 2026-05-16 00:29:30
○ 2026-05-23 07:26:26
○ 2026-07-29 09:22:18

○A2606:4700:3031::ac43:b41a2026-05-01 → 2026-05-16 · 4 obs

● 2026-05-01 06:46:42
● 2026-05-16 00:29:30
○ 2026-05-23 07:26:26
○ 2026-07-29 09:22:18

○A2606:4700:3034::6815:4bb52026-05-01 → 2026-05-16 · 4 obs

● 2026-05-01 06:46:42
● 2026-05-16 00:29:30
○ 2026-05-23 07:26:26
○ 2026-07-29 09:22:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	d.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...	16 records
mapstudy.vn	paislee.ns.cloudflare.com, howard.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.171

NS records: paislee.ns.cloudflare.com, howard.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mapstudy.vn (unsigned zone)

⏱️ Timing

Total: 975ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`101.99.47.36`
NS	2	`howard.ns.cloudflare.com, paislee.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	3	`google-site-verification=0b8_98F9sRsTOaf, v=spf1 include:_spf.google.com -all...`
SOA	1	`howard.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)

Analysis

IP Addresses

mapstudy.vn directs to one IP number, which is 101.99.47.36.

Host names such as admin.hsavnu.edu.vn and hsavnu.edu.vn share IP numbers with mapstudy.vn.

Name Servers

mapstudy.vn has two authoritative name servers — howard.ns.cloudflare.com and paislee.ns.cloudflare.com.

mapstudy.vn has the same name server delegation as a number of other domains, such as koni-poni.ru, fanninmemorialgardens.com, 1xbetfilipino.com and two more.

mapstudy.vn shares at least some of its name servers with other domains, including adwire.ru, mundialdedefensas.com, grandvelocenter.ru and two others.

These name servers are frequently paired with the name servers ace.ns.cloudflare.com, lovisa.ns.cloudflare.com and jobs.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

howard.ns.cloudflare.com points to 108.162.195.171, 162.159.44.171, 172.64.35.171 and 3 other IP addresses.

paislee.ns.cloudflare.com points to 108.162.194.183, 162.159.38.183, 172.64.34.183 and 3 other IP addresses.

Mail Servers

mapstudy.vn routes its mail through a single mail server, smtp.google.com.

mapstudy.vn has the same mail server arrangement as a number of other domains, for example dhlegacytx.com, clients.home-app-j9.com, socogir.com and two more.

mapstudy.vn shares at least some of its mail servers with other domains — for example roachfamily.org, draba.sa, grupompya.com and two more.

smtp.google.com directs to 9 IP numbers, including 64.233.180.27, 142.251.16.26 and 142.251.16.27, along with 6 other.