cet-flc.com - robtex.com

cet-flc.com

DNSSEC⚠️ Not signed
A103.200.23.88🇻🇳 VNPT-AS-VN103.200.23.0/24 VNPT-NET
PTRhost88.vietnix.vn
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 ⚠️ Not in zone NS records
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:f8b0:4023:c06::1b🇺🇸 Google2607:f8b0::/32
PTRdz-in-f27.1e100.net
A142.250.141.26🇺🇸 Google142.250.141.0/24
PTRdd-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2a00:1450:4013:c1e::1a🇳🇱 Google2a00:1450:4013::/48
PTRyugrqzs-in-f26.1e100.net
A192.178.213.26🇺🇸 Google192.178.213.0/24
PTRyugrqzs-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:4001:c21::1a🇩🇪 Google2a00:1450:4001::/48
PTRlcfrai-in-f26.1e100.net
A192.178.213.27🇺🇸 Google192.178.213.0/24
PTRyugrqzs-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4003:c4a::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulth-in-f27.1e100.net
A142.251.96.26🇺🇸 Google142.250.0.0/15
PTRyutulth-in-f26.1e100.net
TXTgoogle-site-verification=HMx7pzH8GpxePve94Khp8qoPsSS_0iLvB9LQ0BI4tJE
TXTgoogle-site-verification=an5NpWCpU9szhTtK2gNivxwvR8FKuoAo_vs-_MtO7t4
SOAns1.pavietnam.vnhostmaster@cet-flc.com 2025-09-02 #27

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774371157

Previously MX for

cet-flc.com

Same first word

cet-flc.com
cet-flc.edu.vn

DNS History

23 records (9 active, 14 former)

20162017201820192020202120222023202420252026NSns1.pavietnam.vnns2.pavietnam.vnnsbak.pavietnam.netdns15.fpt.vndns16.fpt.vnmarek.ns.cloudflare.comns1.a2hosting.comns2.a2hosting.comns3.a2hosting.comns4.a2hosting.comvida.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comcet-flc.comdc-67bf57e4.cet-flc.comA103.200.23.88103.227.176.21104.18.58.159104.18.59.159123.30.174.96
○NSdns15.fpt.vn2015-08-08 → 2016-03-04 · 4 obs
● 2015-08-08 20:20:38
● 2016-03-04 21:54:50
○ 2016-06-26 06:11:38
○ 2026-03-24 16:55:44
○NSdns16.fpt.vn2015-08-08 → 2016-03-04 · 4 obs
● 2015-08-08 20:20:38
● 2016-03-04 21:54:50
○ 2016-06-26 06:11:38
○ 2026-03-24 16:55:44
○NSmarek.ns.cloudflare.com2016-06-26 → 2016-08-18 · 5 obs
○ 2016-03-04 21:54:50
● 2016-06-26 06:11:38
● 2016-08-18 01:50:06
○ 2018-08-13 18:15:42
○ 2026-03-24 16:55:44
○NSns1.a2hosting.com2018-08-13 → 2018-08-13 · 4 obs
○ 2016-08-18 01:50:06
● 2018-08-13 18:15:42
○ 2026-03-11 07:11:50
○ 2026-03-24 16:55:44
●NSns1.pavietnam.vn2026-03-11 → 2026-03-24 · 3 obs
○ 2018-08-13 18:15:42
● 2026-03-11 07:11:50
● 2026-03-24 16:55:44
○NSns2.a2hosting.com2018-08-13 → 2018-08-13 · 4 obs
○ 2016-08-18 01:50:06
● 2018-08-13 18:15:42
○ 2026-03-11 07:11:50
○ 2026-03-24 16:55:44
●NSns2.pavietnam.vn2026-03-11 → 2026-03-24 · 3 obs
○ 2018-08-13 18:15:42
● 2026-03-11 07:11:50
● 2026-03-24 16:55:44
○NSns3.a2hosting.com2018-08-13 → 2018-08-13 · 4 obs
○ 2016-08-18 01:50:06
● 2018-08-13 18:15:42
○ 2026-03-11 07:11:50
○ 2026-03-24 16:55:44
○NSns4.a2hosting.com2018-08-13 → 2018-08-13 · 4 obs
○ 2016-08-18 01:50:06
● 2018-08-13 18:15:42
○ 2026-03-11 07:11:50
○ 2026-03-24 16:55:44
●NSnsbak.pavietnam.net2026-03-11 → 2026-03-24 · 3 obs
○ 2018-08-13 18:15:42
● 2026-03-11 07:11:50
● 2026-03-24 16:55:44
○NSvida.ns.cloudflare.com2016-06-26 → 2016-08-18 · 5 obs
○ 2016-03-04 21:54:50
● 2016-06-26 06:11:38
● 2016-08-18 01:50:06
○ 2018-08-13 18:15:42
○ 2026-03-24 16:55:44
●MXalt1.aspmx.l.google.com2026-03-11 → 2026-03-24 · 3 obs
○ 2018-08-13 18:15:42
● 2026-03-11 07:11:50
● 2026-03-24 16:55:44
●MXalt2.aspmx.l.google.com2026-03-11 → 2026-03-24 · 3 obs
○ 2018-08-13 18:15:42
● 2026-03-11 07:11:50
● 2026-03-24 16:55:44
●MXalt3.aspmx.l.google.com2026-03-11 → 2026-03-24 · 3 obs
○ 2018-08-13 18:15:42
● 2026-03-11 07:11:50
● 2026-03-24 16:55:44
●MXalt4.aspmx.l.google.com2026-03-11 → 2026-03-24 · 3 obs
○ 2018-08-13 18:15:42
● 2026-03-11 07:11:50
● 2026-03-24 16:55:44
●MXaspmx.l.google.com2026-03-11 → 2026-03-24 · 3 obs
○ 2018-08-13 18:15:42
● 2026-03-11 07:11:50
● 2026-03-24 16:55:44
○MXcet-flc.com2018-08-13 → 2018-08-13 · 4 obs
○ 2016-08-18 01:50:06
● 2018-08-13 18:15:42
○ 2026-03-11 07:11:50
○ 2026-03-24 16:55:44
○MXdc-67bf57e4.cet-flc.com2016-06-26 → 2016-08-18 · 4 obs
● 2016-06-26 06:11:38
● 2016-08-18 01:50:06
○ 2018-08-13 18:15:42
○ 2026-03-24 16:55:44
●A103.200.23.882026-03-11 → 2026-03-24 · 3 obs
○ 2018-08-13 18:15:42
● 2026-03-11 07:11:50
● 2026-03-24 16:55:44
○A103.227.176.212018-08-13 → 2018-08-13 · 4 obs
○ 2016-08-18 01:50:06
● 2018-08-13 18:15:42
○ 2026-03-11 07:11:50
○ 2026-03-24 16:55:44
○A104.18.58.1592016-06-26 → 2016-08-18 · 5 obs
○ 2016-03-04 21:54:50
● 2016-06-26 06:11:38
● 2016-08-18 01:50:06
○ 2018-08-13 18:15:42
○ 2026-03-24 16:55:44
○A104.18.59.1592016-06-26 → 2016-08-18 · 5 obs
○ 2016-03-04 21:54:50
● 2016-06-26 06:11:38
● 2016-08-18 01:50:06
○ 2018-08-13 18:15:42
○ 2026-03-24 16:55:44
○A123.30.174.962015-08-08 → 2016-03-04 · 4 obs
● 2015-08-08 20:20:38
● 2016-03-04 21:54:50
○ 2016-06-26 06:11:38
○ 2026-03-24 16:55:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
cet-flc.comnsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn-

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cet-flc.com (unsigned zone)

⏱️ Timing

Total: 1379ms | Queries: -

📄 Records

TypeCountSample Data
A1103.200.23.88
NS2ns1.pavietnam.vn, ns2.pavietnam.vn
MX5alt3.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)...
TXT2google-site-verification=HMx7pzH8GpxePve, google-site-verification=an5NpWCpU9szhTt
SOA1ns1.pavietnam.vn hostmaster.cet-flc.com

Analysis

IP Addresses

cet-flc.com resolves to one IP number: 103.200.23.88.

other host names including duckhub.dev, cryptos.vn, xetaigiagoc.vn, nsobigc.com and anhbonphim.com share IP numbers with cet-flc.com.

Name Servers

cet-flc.com is delegated to three name servers nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

cet-flc.com at least partially shares name servers with other domains, for instance phumyvinh.com, binhlam.com, allianceone.com.vn, khangphuchouse.com.vn and kyguinhadat68.com.

These name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com, nsbak.pavietnam.vn and dnsbak.pavietnam.vn.

Host names with two IP numbers:

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

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

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

Mail Servers

cet-flc.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

cet-flc.com shares some mail servers with other domains, at least partially, for instance fourthdime.com, notaria11.com.mx, realestate-space.com, pikelandschools.com and portlight.io.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4023:c06::1b and 142.250.141.26

alt1.aspmx.l.google.com points to 2a00:1450:4013:c1e::1a and 192.178.213.26

alt2.aspmx.l.google.com points to 2a00:1450:4001:c21::1a and 192.178.213.27

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

alt4.aspmx.l.google.com points to 2607:f8b0:4003:c4a::1b and 142.251.96.26