gmaths.edu.vn - robtex.com
gmaths.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 118.27.202.138🇻🇳 GMO-ZCOM-AS-VN118.27.192.0/19 RUNSYSTEM-VN | ||||||
| PTR | cpanel07wh-han1.cloudnetvn.com | ||||||
| NS | ns-a5.cloudnetvn.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2404:f080:1101:310::53🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi | ||||||
| A | 150.95.19.148🇻🇳 GMO-ZCOM-AS-VN150.95.16.0/22 RUNSYSTEM-VN | ||||||
| PTR | v150-95-19-148.a001.m.han1.static.cnode.io | ||||||
| NS | ns-a1.cloud.z.com ⚠️ Not in zone NS records | ||||||
| A | 2404:f080:1101:310::53🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi | ||||||
| A | 150.95.19.148🇻🇳 GMO-ZCOM-AS-VN150.95.16.0/22 RUNSYSTEM-VN | ||||||
| PTR | v150-95-19-148.a001.m.han1.static.cnode.io | ||||||
| NS | ns-a1.cloudnetvn.com ⚠️ Not in parent delegation | ||||||
| A | 2400:8500:3000::88🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | ns-a1.cnode.io | ||||||
| A | 157.7.33.88🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | ns-a1.cnode.io | ||||||
| NS | ns-a3.cloud.z.com ⚠️ Not in zone NS records | ||||||
| A | 2404:f080:1101:310::53🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi | ||||||
| A | 150.95.19.148🇻🇳 GMO-ZCOM-AS-VN150.95.16.0/22 RUNSYSTEM-VN | ||||||
| PTR | v150-95-19-148.a001.m.han1.static.cnode.io | ||||||
| NS | ns-a3.cloudnetvn.com ⚠️ Not in parent delegation | ||||||
| A | 2404:8680:1101:310::53🇹🇭 GMO-ZCOM-AS-TH2404:8680:1101::/48 GMO-Z com NetDesign Holdings Co., Ltd. 246 Times Square Building 10th Fl., Room 10/04, Sukhumvit 12-14 Rd., Klongtoey Klongtoey, Bangkok 10110 | ||||||
| A | 150.95.23.148🇹🇭 GMO-ZCOM-AS-TH150.95.20.0/22 GMO-Z com NetDesign Holdings Co., Ltd. 246 Times Square Building 10th Fl., Room 10/04, Sukhumvit 12-14 Rd., Klongtoey Klongtoey, Bangkok 10110 | ||||||
| PTR | v150-95-23-148.a001.m.bkk1.static.cnode.io | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| A | 2607:f8b0:4023:c0d::1b🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | dl-in-f27.1e100.net | ||||||
| A | 142.250.101.26🇺🇸 Google142.250.101.0/24 | ||||||
| PTR | dz-in-f26.1e100.net | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| A | 2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | lcausi-in-f26.1e100.net | ||||||
| A | 192.178.128.27🇺🇸 Google192.178.128.0/24 | ||||||
| PTR | lcausi-in-f27.1e100.net | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| A | 2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48 | ||||||
| PTR | yulhrs-in-f26.1e100.net | ||||||
| A | 192.178.223.26🇺🇸 Google192.178.223.0/24 | ||||||
| PTR | yulhrs-in-f26.1e100.net | ||||||
| TXT | _globalsign-domain-verification=T2BRBptbEc1NRL23zkBMznubsV4eGTiVtqQripAIAF | ||||||
| TXT | google-site-verification=GuJr-ZpDW1aOlxfiCRb-euBx2Gshg0dcxF6uQzX8kC0 | ||||||
| TXT | v=spf1 include:_spf.wh.cloudnetvn.com ~all | ||||||
| SOA | ns-a5.cloudnetvn.compostmaster@gmaths.edu.vn serial=1777573868 | ||||||
edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2018564641 | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (9 active, 1 former)
●NSns-a1.cloud.z.com2026-04-30 → 2026-05-09 · 3 obs
● 2026-04-30 23:44:54
● 2026-05-09 16:28:46
●NSns-a1.cloudnetvn.com2020-02-13 → 2026-05-09 · 2 obs
● 2026-05-09 16:28:46
●NSns-a3.cloud.z.com2026-04-30 → 2026-05-09 · 3 obs
● 2026-04-30 23:44:54
● 2026-05-09 16:28:46
●NSns-a3.cloudnetvn.com2020-02-13 → 2026-05-09 · 2 obs
● 2026-05-09 16:28:46
●NSns-a5.cloudnetvn.com2020-02-13 → 2026-05-09 · 2 obs
● 2026-05-09 16:28:46
●MXalt1.aspmx.l.google.com2020-02-13 → 2026-05-09 · 2 obs
● 2026-05-09 16:28:46
●MXalt3.aspmx.l.google.com2020-02-13 → 2026-05-09 · 2 obs
● 2026-05-09 16:28:46
●MXaspmx.l.google.com2020-02-13 → 2026-05-09 · 2 obs
● 2026-05-09 16:28:46
●A118.27.202.1382026-04-30 → 2026-05-09 · 3 obs
● 2026-04-30 23:44:54
● 2026-05-09 16:28:46
○A163.44.194.472020-02-13 → 2020-02-13 · 3 obs
○ 2026-04-30 23:44:54
○ 2026-05-09 16:28:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | e.dns-servers.vn, f.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| gmaths.edu.vn | ns-a1.cloud.z.com, ns-a3.cloud.z.com | - |
✅ Authoritative Response
Server:150.95.19.148
NS records: ns-a1.cloud.z.com, ns-a3.cloud.z.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gmaths.edu.vn (unsigned zone)
⏱️ Timing
Total: 1701ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 118.27.202.138 |
| NS | 3 | ns-a5.cloudnetvn.com, ns-a1.cloudnetvn.com... |
| MX | 3 | ALT1.ASPMX.L.GOOGLE.COM (pri: 5), ALT3.ASPMX.L.GOOGLE.COM (pri: 10)... |
| TXT | 3 | _globalsign-domain-verification=T2BRBptb, google-site-verification=GuJr-ZpDW1aOlxf... |
| SOA | 1 | ns-a5.cloudnetvn.com postmaster.gmaths.e |
Analysis
Hierarchy
gmaths.edu.vn is the parent of www.gmaths.edu.vn and mail.gmaths.edu.vn.
IP Addresses
gmaths.edu.vn points to an IP address: 118.27.202.138.
other host names include bonsaibayvietnam.com, minhthanhjsc.com.vn, cpanel07wh-han1.cloudnetvn.com, phutungquanghieu.com and phutungoto.net.vn; they share IP numbers with gmaths.edu.vn.
Name Servers
gmaths.edu.vn is delegated to five name servers: ns-a1.cloudnetvn.com, ns-a3.cloudnetvn.com, ns-a5.cloudnetvn.com, ns-a1.cloud.z.com and ns-a3.cloud.z.com.
gmaths.edu.vn at least partially shares name servers with other domains, for instance deeall.com, freelife-ro.com, 138.55.95.150.in-addr.arpa, chiangkhamluang.com and 67.105.130.133.in-addr.arpa.
These name servers are commonly used alongside ns-a4.cloud.z.com, ns-a5.cloud.z.com and ns-a2.cloud.z.com.
Host names with two IP numbers:
ns-a1.cloudnetvn.com points to: 2400:8500:3000::88 and 157.7.33.88. ns-a3.cloudnetvn.com points to: 2404:8680:1101:310::53 and 150.95.23.148. ns-a5.cloudnetvn.com points to: 2404:f080:1101:310::53 and 150.95.19.148. ns-a1.cloud.z.com points to: 2404:f080:1101:310::53 and 150.95.19.148. ns-a3.cloud.z.com points to: 2404:f080:1101:310::53 and 150.95.19.148. Host names pointing to 2404:f080:1101:310::53: ns-a5.cloudnetvn.com, ns-a1.cloud.z.com and ns-a3.cloud.z.com. Host names pointing to 150.95.19.148: ns-a5.cloudnetvn.com, ns-a1.cloud.z.com and ns-a3.cloud.z.com.
Mail Servers
Three mail servers handle gmaths.edu.vn: aspmx.l.google.com, alt1.aspmx.l.google.com and alt3.aspmx.l.google.com.
gmaths.edu.vn shares at least partially some mail servers with other domains, for instance ns500698.ns500759.ns500758.ns500698.ns500759.ns500698.ns500735.ns500698.ns500698.ns500736.ns500708.ns500698.ns500708.ns500576.ns500652.ns500576.trackreceptor.com, ns500758.ns500698.ns500758.ns500758.ns500698.ns500736.ns500735.ns500735.ns500735.ns500735.ns500708.ns500619.ns500686.ns500652.ns500619.trackreceptor.com, ns500759.ns500758.ns500758.ns500736.ns500698.ns500708.ns500619.ns500686.ns500619.ns500576.tracksymphony.com, ns500758.ns500698.ns500758.ns500759.ns500758.ns500698.ns500735.ns500735.ns500736.ns500735.ns500708.ns500576.ns500619.ns500576.trackreceptor.com and ns500758.ns500758.ns500698.ns500735.ns500736.ns500735.ns500736.ns500735.ns500736.ns500698.ns500698.ns500708.ns500698.ns500698.ns500619.ns500652.ns500576.trackreceptor.com.
Mail servers frequently appear alongside alt2.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 2607:f8b0:4023:c0d::1b and 142.250.101.26; alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.27; alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26.