efc.edu.vn - robtex.com

efc.edu.vn

DNSSEC⚠️ Not signed
A103.221.223.247🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN
NSns1.matbao.vn ⭐ ⚠️ Not in parent delegation
A13.250.228.99🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix
PTRec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com
A103.110.128.60🇻🇳 AXYS-VN103.110.128.0/23
NSns1.matbao.com ⚠️ Not in zone NS records
A13.250.228.99🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix
PTRec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com
A103.110.128.60🇻🇳 AXYS-VN103.110.128.0/23
NSns2.matbao.com ⚠️ Not in zone NS records
A35.198.203.127🇸🇬 Google35.198.192.0/20
PTR127.203.198.35.bc.googleusercontent.com
A103.138.89.11🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET
NSns2.matbao.vn ⚠️ Not in parent delegation
A35.198.203.127🇸🇬 Google35.198.192.0/20
PTR127.203.198.35.bc.googleusercontent.com
A103.138.89.11🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c0b::1b🇺🇸 Google2607:f8b0::/32
PTRdd-in-f27.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.27🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
TXTgoogle-site-verification=-5wZflzG1d6ZVghkLkmJQDzB6woUe8IQylDYP_6UA1Y
SOAns1.matbao.vnadmin@matbao.com 2026-05-08 #1

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=2018564750

Previously MX for

efc.edu.vn

Subdomains

dllqrmydevice.efc.edu.vn
fjgrlsmtp.efc.edu.vn
autodiscover.efc.edu.vn
ns.efc.edu.vn
mail.efc.edu.vn
wrr.efc.edu.vn
daaqlmail.efc.edu.vn
mamnon.efc.edu.vn
syjx.efc.edu.vn
3719dc67-6e24-4afb-917c-c12a123f1572.efc.edu.vn
jw.efc.edu.vn
aznzlfqwaymail.efc.edu.vn
oaimlfqwaymail.efc.edu.vn
422e4d83-9a54-4505-ae1a-cbd38479ed47.efc.edu.vn
cpcalendars.efc.edu.vn
uqkvhmydevice.efc.edu.vn
eo.efc.edu.vn
cpcontacts.efc.edu.vn
wyspider2.efc.edu.vn
watch.efc.edu.vn
cpanel.efc.edu.vn
m.efc.edu.vn
webdisk.efc.edu.vn
webmail.efc.edu.vn
smtp.efc.edu.vn
fqwaymail.efc.edu.vn

Same first word

efc.dk
efc.nl
efc.ro
efc.com.tr
efc.cz
efc.group
efc.ie
efc.de
efc.fukuoka.jp
efc.com.au
efc.co.nz
efc.nz
efc.co.il
efc.com.mk
efc.to
efc.cc
efc.church
efc.com.sg
efc.me
efc.net
efc.co.kr
efc.ge
efc.ph
efc.dz
efc.no
efc.tech
efc.org.au
efc.co
efc.org.za
efc.eu
efc.com.pe
efc.cl
efc.net.au
efc.se
efc.com.qa
efc.info
efc.com
efc.org
efc.nu
efc.ag
efc.com.ph
efc.be
efc.us
efc.management
efc.sg
efc.kz
efc.ac.uk
efc.com.ua
efc.tw
efc.waw.pl
efc.es
efc.edu.vn
efc.su
efc.org.il
efc.aero
efc.im
efc.com.cn
efc.homes
efc.ca
efc.vn
efc.ac.ir
efc.biz

Similar names

fce.tools
fec.ro
cef.org.za
cfe.spdns.org
ecf.church
fec.be
fec.ne.jp
fce.be
cef.it
cfe.no
ecf.email
cef.academy
cef.com
cef.org.pk
fce.edu.pk
fec.okinawa
fec.org.ec
fec.hu
ecf.or.kr
ecf.co.kr
fec.al
ecf.network
ecf.io
cef.nl
fec.se
fce.at
cfe.net
cef.ca
ecf.vn
fce.com.br
cfe.cl
cef.at
fce.me
ecf.gov.hk
ecf.ir
cfe.co.nz
cfe.eu
fec.pl
cfe.org
cef.or.kr
ecf.se
fec.agency
cfe.cn.com
fce.vn
cef.info
ecf.co
fec.or.kr
ecf.com.tr
cfe.com.tn
cef.nu
fec.jp
cfe.gw
ecf.no
cef.org.ar
cfe.vn
ecf.fi
fec.cd
fec.com.tw
ecf.solutions
cfe.se
cfe.pm
fec.us.com
cfe.hu
cfe.co.jp
cef.lv
ecf.cc
ecf.pt
cfe.ch
ecf.org.hk
cef.org.tw
fce.com.mx
cef.org.nz
cfe.me
fec.org.br
fec.cc
cfe.com.br
ecf.co.nz
cef.com.hk
cef.co.uk
fec.edu.vn
ecf.info
cfe.com
cef.cn
cfe.com.mx
fce.mx
fce.ch
cef.im
fce.org
cef.com.tr
fec.no
cfe.be
cfe.dk
cfe.org.il
ecf.ch
cfe.london
cfe.nu
cef.ch
cef.org
fec.edu.mv
cef.org.br
fce.net.au
fce.kr
cfe.es
fce.com.cn
fec.org.uk
cfe.bar
cef.co.jp
fec.it
cef.co.za
ecf.es
ecf.kz
fec.gov.ng
cfe.com.ar
cef.se
cef.pt
fce.com.ar
fce.gg
ecf.hu
cef.tv
fce.co.za
cfe.ie
fec.nu
cfe.at
fec.bz
cfe.mobi
fce.org.za
fec.es
cfe.com.pl
cfe.de
fce.it

DNS History

14 records (10 active, 4 former)

2017201820192020202120222023202420252026NSns1.matbao.comns1.matbao.vnns2.matbao.comns2.matbao.vnns1.sm8.siteground.bizns2.sm8.siteground.bizMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comefc.edu.vnA103.221.223.247109.199.126.92
●NSns1.matbao.com2026-05-01 → 2026-05-10 · 3 obs
○ 2016-12-05 01:11:28
● 2026-05-01 05:49:38
● 2026-05-10 00:22:20
●NSns1.matbao.vn2026-05-01 → 2026-05-10 · 3 obs
○ 2016-12-05 01:11:28
● 2026-05-01 05:49:38
● 2026-05-10 00:22:20
○NSns1.sm8.siteground.biz2016-12-05 → 2016-12-05 · 3 obs
● 2016-12-05 01:11:28
○ 2026-05-01 05:49:38
○ 2026-05-10 00:22:20
●NSns2.matbao.com2026-05-01 → 2026-05-10 · 3 obs
○ 2016-12-05 01:11:28
● 2026-05-01 05:49:38
● 2026-05-10 00:22:20
●NSns2.matbao.vn2026-05-01 → 2026-05-10 · 3 obs
○ 2016-12-05 01:11:28
● 2026-05-01 05:49:38
● 2026-05-10 00:22:20
○NSns2.sm8.siteground.biz2016-12-05 → 2016-12-05 · 3 obs
● 2016-12-05 01:11:28
○ 2026-05-01 05:49:38
○ 2026-05-10 00:22:20
●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs
○ 2016-12-05 01:11:28
● 2026-05-01 05:49:38
● 2026-05-10 00:22:20
●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs
○ 2016-12-05 01:11:28
● 2026-05-01 05:49:38
● 2026-05-10 00:22:20
●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs
○ 2016-12-05 01:11:28
● 2026-05-01 05:49:38
● 2026-05-10 00:22:20
●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs
○ 2016-12-05 01:11:28
● 2026-05-01 05:49:38
● 2026-05-10 00:22:20
●MXaspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs
○ 2016-12-05 01:11:28
● 2026-05-01 05:49:38
● 2026-05-10 00:22:20
○MXefc.edu.vn2016-12-05 → 2016-12-05 · 3 obs
● 2016-12-05 01:11:28
○ 2026-05-01 05:49:38
○ 2026-05-10 00:22:20
●A103.221.223.2472026-05-01 → 2026-05-10 · 3 obs
○ 2016-12-05 01:11:28
● 2026-05-01 05:49:38
● 2026-05-10 00:22:20
○A109.199.126.922016-12-05 → 2016-12-05 · 3 obs
● 2016-12-05 01:11:28
○ 2026-05-01 05:49:38
○ 2026-05-10 00:22:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
efc.edu.vnns2.matbao.com, ns1.matbao.com-

✅ Authoritative Response

Server:103.110.128.60

NS records: ns2.matbao.com, ns1.matbao.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1584ms | Queries: -

📄 Records

TypeCountSample Data
A1103.221.223.247
NS2ns1.matbao.vn, ns2.matbao.vn
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT1google-site-verification=-5wZflzG1d6ZVgh
SOA1ns1.matbao.vn admin.matbao.com

Analysis

Hierarchy

efc.edu.vn is a parent of dllqrmydevice.efc.edu.vn, fjgrlsmtp.efc.edu.vn, autodiscover.efc.edu.vn, ns.efc.edu.vn, mail.efc.edu.vn and several other host names.

IP Addresses

efc.edu.vn points to a single IP number: 103.221.223.247.

other host names for instance crdpkwww.giasutienganh.efc.edu.vn, aznzlfqwaymail.efc.edu.vn, oaimlfqwaymail.efc.edu.vn, 422e4d83-9a54-4505-ae1a-cbd38479ed47.efc.edu.vn and cpcalendars.efc.edu.vn share IP numbers with efc.edu.vn.

Name Servers

efc.edu.vn is delegated to four name servers: ns1.matbao.com, ns2.matbao.com, ns1.matbao.vn and ns2.matbao.vn.

efc.edu.vn at least partially shares name servers with other domains, for instance f2.com.vn, duhocquangbinh.edu.vn, cuuhoxedien.com, daisyvietnam.com and dieucayvietnam.com.

These name servers are commonly used with ns-bak.matbao.com, ns3.matbao.vn, ns4.matbao.vn and ns1.digipowerdns.com.

Host ns1.matbao.com points to 13.250.228.99 and 103.110.128.60.

Host ns2.matbao.com points to 35.198.203.127 and 103.138.89.11.

Host ns1.matbao.vn points to 13.250.228.99 and 103.110.128.60.

Host ns2.matbao.vn points to 35.198.203.127 and 103.138.89.11.

Hosts pointing to 13.250.228.99: ns1.matbao.com and ns1.matbao.vn.

Hosts pointing to 103.110.128.60: ns1.matbao.com and ns1.matbao.vn.

Hosts pointing to 35.198.203.127: ns2.matbao.com and ns2.matbao.vn.

Hosts pointing to 103.138.89.11: ns2.matbao.com and ns2.matbao.vn.

Mail Servers

efc.edu.vn 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.

efc.edu.vn shares mail servers with other domains at least partially, including ns500758.ns500758.ns500758.ns500759.ns500736.ns500735.ns500698.ns500735.ns500735.ns500708.ns500708.ns500708.ns500576.ns500686.ns500619.trackreceptor.com, ns500731.ns500754.ns500754.ns500754.ns500678.ns500291.ns500291.ns500649.ns500649.ns500653.ns500153.tenderladiesbz.com, challengelogistics.com, ns500671.ns500731.ns500731.ns500671.ns500671.ns500754.ns500731.ns500688.ns500671.ns500671.ns500704.ns500649.ns500649.ns500666.tenderladiesbz.com and ns500671.ns500671.ns500742.ns500704.ns500671.ns500671.ns500704.ns500688.ns500671.ns500704.ns500678.ns500153.tenderladiesbz.com.

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

Hosts with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4023:c0b::1b and 142.250.101.27.

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.27.

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.27.

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26.

alt4.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.27.