harmony.edu.vn - robtex.com

harmony.edu.vn

DNSSEC⚠️ Not signed
A112.213.89.150🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRmx89150.superdata.vn
NSisla.ns.cloudflare.com
A2606:4700:50::adf5:3a77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisla.ns.cloudflare.com
A2803:f800:50::6ca2:c077🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRisla.ns.cloudflare.com
A2a06:98c1:50::ac40:2077🇺🇸 Cloudflare2a06:98c1:50::/45
PTRisla.ns.cloudflare.com
A108.162.192.119🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisla.ns.cloudflare.com
A172.64.32.119🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisla.ns.cloudflare.com
A173.245.58.119🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRisla.ns.cloudflare.com
NSns1.pavietnam.vn
A2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns1.dotvndns.vn
A112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRns1.dotvndns.vn
NSns2.pavietnam.vn
A2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns2.dotvndns.vn
A222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSnsbak.pavietnam.net
A2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRnsbak.dotvndns.com
A112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRns8922.dotvndns.vn
MXaspmx.l.google.com
A2607:f8b0:4004:c29::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadum-in-f27.1e100.net
A192.178.218.26🇺🇸 Google192.178.218.0/24
PTRyuiadtq-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTgoogle-site-verification=q28yHW26tWQC9wz9J2JaZhk0DuzisWibBRkDbMHy60w
TXT_ezc30jg5wqvputgiagxugtbhu00erty
TXTmgxn74tb4xrzbqx3xcys2zkvxdkzq77y
TXTv=spf1 include:_spf.google.com ~all
SOAisla.ns.cloudflare.comhostmaster@harmony.edu.vn 2024-10-07 #26

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=2018573035

Same first word

Similar names

DNS History

15 records (10 active, 5 former)

201820192020202120222023202420252026NSisla.ns.cloudflare.comns1.pavietnam.vnns2.pavietnam.vnnsbak.pavietnam.netsam.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA112.213.89.150104.18.46.51104.18.47.512400:cb00:2048:1::6812:2e332400:cb00:2048:1::6812:2f33
NSisla.ns.cloudflare.com2017-03-16 → 2026-06-13 · 2 obs
● 2017-03-16 17:05:56
● 2026-06-13 00:40:10
NSns1.pavietnam.vn2026-05-01 → 2026-06-13 · 3 obs
○ 2017-03-16 17:05:56
● 2026-05-01 06:44:40
● 2026-06-13 00:40:10
NSns2.pavietnam.vn2026-05-01 → 2026-06-13 · 3 obs
○ 2017-03-16 17:05:56
● 2026-05-01 06:44:40
● 2026-06-13 00:40:10
NSnsbak.pavietnam.net2026-05-01 → 2026-06-13 · 3 obs
○ 2017-03-16 17:05:56
● 2026-05-01 06:44:40
● 2026-06-13 00:40:10
NSsam.ns.cloudflare.com2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:05:56
○ 2026-05-01 06:44:40
○ 2026-06-13 00:40:10
MXalt1.aspmx.l.google.com2017-03-16 → 2026-06-13 · 2 obs
● 2017-03-16 17:05:56
● 2026-06-13 00:40:10
MXalt2.aspmx.l.google.com2017-03-16 → 2026-06-13 · 2 obs
● 2017-03-16 17:05:56
● 2026-06-13 00:40:10
MXalt3.aspmx.l.google.com2017-03-16 → 2026-06-13 · 2 obs
● 2017-03-16 17:05:56
● 2026-06-13 00:40:10
MXalt4.aspmx.l.google.com2017-03-16 → 2026-06-13 · 2 obs
● 2017-03-16 17:05:56
● 2026-06-13 00:40:10
MXaspmx.l.google.com2017-03-16 → 2026-06-13 · 2 obs
● 2017-03-16 17:05:56
● 2026-06-13 00:40:10
A104.18.46.512017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:05:56
○ 2026-05-01 06:44:40
○ 2026-06-13 00:40:10
A104.18.47.512017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:05:56
○ 2026-05-01 06:44:40
○ 2026-06-13 00:40:10
A112.213.89.1502026-05-01 → 2026-06-13 · 3 obs
○ 2017-03-16 17:05:56
● 2026-05-01 06:44:40
● 2026-06-13 00:40:10
A2400:cb00:2048:1::6812:2e332017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:05:56
○ 2026-05-01 06:44:40
○ 2026-06-13 00:40:10
A2400:cb00:2048:1::6812:2f332017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 17:05:56
○ 2026-05-01 06:44:40
○ 2026-06-13 00:40:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
harmony.edu.vnns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn-

✅ Authoritative Response

Server:222.255.121.247

NS records: ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1905ms | Queries: -

📄 Records

TypeCountSample Data
A1112.213.89.150
NS3nsbak.pavietnam.net, ns2.pavietnam.vn...
MX5alt4.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)...
TXT4mgxn74tb4xrzbqx3xcys2zkvxdkzq77y, v=spf1 include:_spf.google.com ~all...
SOA1isla.ns.cloudflare.com hostmaster.harmon

Analysis

IP Addresses

harmony.edu.vn points to a single IP number: 112.213.89.150.

Additional host names — genpacs.com, mail.nhamangmientay.com, jetmaster.vn and two others — share IP numbers with harmony.edu.vn.

Name Servers

harmony.edu.vn is delegated to four name servers, nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn and isla.ns.cloudflare.com.

At least some of harmony.edu.vn's name servers are shared with other domains, for example redmandigital.net, xedaptructuyen.vn, terekxcqaz.shop and two more.

It is common for these name servers to be used in conjunction with the name servers ns1.dotvndns.vn, nsbak.dotvndns.com and ns2.dotvndns.vn.

Host names with 6 IP numbers:

isla.ns.cloudflare.com resolves to 108.162.192.119, 172.64.32.119, 173.245.58.119 and 3 other IP addresses.

Host names with two IP numbers:

nsbak.pavietnam.net points to 112.213.89.22 and 2406:9c80::9000:302.

ns1.pavietnam.vn points to 112.213.89.3 and 2406:9c80::66.

ns2.pavietnam.vn points to 222.255.121.247 and 2406:9c80::9000:111.

Mail Servers

harmony.edu.vn has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

harmony.edu.vn shares mail servers — at least in part — with other domains, including heliostech.fr, ns500758.ns500698.ns500758.ns500698.ns500735.ns500735.ns500698.ns500736.ns500698.ns500708.ns500576.ns500686.ns500576.ns500652.ns500576.trackreceptor.com, ns500671.ns500671.ns500742.ns500704.ns500704.ns500705.ns500671.ns500671.ns500678.ns500704.ns500688.ns500291.ns500678.ns500666.ns500653.ns500153.tenderladiesbz.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 192.178.218.26 and 2607:f8b0:4004:c29::1b.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1a.