longwall.edu.vn - robtex.com

longwall.edu.vn

DNSSEC⚠️ Not signed
A52.7.206.153πŸ‡ΊπŸ‡Έ Amazon52.4.0.0/14 EC2 IAD prefix
PTRec2-52-7-206-153.compute-1.amazonaws.com
NSns1.zonedns.vn ⭐
A2401:c080:1400:1cd4:5400:5ff:fe80:ec33πŸ‡ΈπŸ‡¬ AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix
A64.176.84.220πŸ‡ΈπŸ‡¬ AS-VULTR64.176.80.0/20 Vultr Assigned Prefix
PTRns1.zonedns.vn
NSns2.zonedns.vn
A2401:c080:1400:1cd4:5400:5ff:fe80:ec33πŸ‡ΈπŸ‡¬ AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix
A103.176.178.51πŸ‡»πŸ‡³ NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN
NSns3.zonedns.vn
A2001:df1:3200::15πŸ‡»πŸ‡³ NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN
A103.28.36.30πŸ‡»πŸ‡³ NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN
NSns4.zonedns.vn
A2001:df1:3200::15πŸ‡»πŸ‡³ NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN
A103.28.39.159πŸ‡»πŸ‡³ NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN
MXlongwall-edu-vn.mail.protection.outlook.com ⭐
A2a01:111:f403:cc09::πŸ‡ΈπŸ‡¬ Microsoft2a01:111:f000::/36
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A2a01:111:f403:cc1a::8πŸ‡―πŸ‡΅ Microsoft2a01:111:f000::/36
PTRmail-tydpr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc1f::4πŸ‡―πŸ‡΅ Microsoft2a01:111:f000::/36
PTRmail-os8pr02cu00104.inbound.protection.outlook.com
A52.101.124.117πŸ‡―πŸ‡΅ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tydpr03cu00105.inbound.protection.outlook.com
A52.101.137.0πŸ‡ΈπŸ‡¬ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A52.101.157.80πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os8pr02cu00100.inbound.protection.outlook.com
TXTMS=ms83947263
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns1.zonedns.vnroot@longwall.edu.vn 2025-12-31 #3

edu.vn

DNSSEC⚠️ Not signed
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn ⚠️ Not in parent delegation
NSb.dns-servers.vn ⚠️ Not in parent delegation
NSc.dns-servers.vn ⚠️ Not in parent delegation
NSd.dns-servers.vn ⚠️ Not in parent delegation
NSe.dns-servers.vn ⚠️ Not in parent delegation
NSf.dns-servers.vn ⚠️ Not in parent delegation
NSg.dns-servers.vn ⚠️ Not in parent delegation
NSh.dns-servers.vn ⚠️ Not in parent delegation
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2018564639

Subdomains

Same first word

DNS History

6 records (6 active, 0 former)

NSns1.zonedns.vnns2.zonedns.vnns3.zonedns.vnns4.zonedns.vnMXlongwall-edu-vn.mail.protection.outlook.comA52.7.206.153
●NSns1.zonedns.vn2026-04-30 β†’ 2026-05-09 Β· 2 obs
● 2026-04-30 19:37:02
● 2026-05-09 13:56:02
●NSns2.zonedns.vn2026-04-30 β†’ 2026-05-09 Β· 2 obs
● 2026-04-30 19:37:02
● 2026-05-09 13:56:02
●NSns3.zonedns.vn2026-04-30 β†’ 2026-05-09 Β· 2 obs
● 2026-04-30 19:37:02
● 2026-05-09 13:56:02
●NSns4.zonedns.vn2026-04-30 β†’ 2026-05-09 Β· 2 obs
● 2026-04-30 19:37:02
● 2026-05-09 13:56:02
●MXlongwall-edu-vn.mail.protection.outlook.com2026-04-30 β†’ 2026-05-09 Β· 2 obs
● 2026-04-30 19:37:02
● 2026-05-09 13:56:02
●A52.7.206.1532026-04-30 β†’ 2026-05-09 Β· 2 obs
● 2026-04-30 19:37:02
● 2026-05-09 13:56:02

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
longwall.edu.vnns4.zonedns.vn, ns2.zonedns.vn, ns1.zonedns.vn, ns3.zonedns.vn-

βœ… Authoritative Response

Server:2401:c080:1400:1cd4:5400:5ff:fe80:ec33

NS records: ns4.zonedns.vn, ns2.zonedns.vn, ns1.zonedns.vn, ns3.zonedns.vn

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for longwall.edu.vn (unsigned zone)

⏱️ Timing

Total: 3099ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A152.7.206.153
NS4ns2.zonedns.vn, ns1.zonedns.vn...
MX1longwall-edu-vn.mail.protection.outlook.
TXT2v=spf1 include:spf.protection.outlook.co, MS=ms83947263
SOA1ns1.zonedns.vn root.longwall.edu.vn

Analysis

Hierarchy

longwall.edu.vn is the parent of www.longwall.edu.vn.

IP Addresses

longwall.edu.vn resolves to a single IP: 52.7.206.153.

Other host names share IP numbers with longwall.edu.vn; for instance www.longwall.edu.vn.

Name Servers

longwall.edu.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.

longwall.edu.vn shares some name servers with other domains, for example ongnhuaviet.vn, bang-gia.com, vietwebsite.com.vn, vnex.com.vn and sankhoa.vn.

These name servers are commonly used together with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.

Host names with two IP numbers:

ns1.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220.

ns2.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51.

ns3.zonedns.vn points to 2001:df1:3200::15 and 103.28.36.30.

ns4.zonedns.vn points to 2001:df1:3200::15 and 103.28.39.159.

Names pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn.

Names pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn.

Mail Servers

longwall.edu.vn is handled by a single mail server, longwall-edu-vn.mail.protection.outlook.com.

longwall-edu-vn.mail.protection.outlook.com points to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.