`mail.tb-ap.com`

CNAME	`mail9257.maychuemail.com`
DNSSEC	⚠️ Not signed
A	2406:9c80::9000:1205^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
		PTR	`mail9257.maychuemail.com`
A	112.213.92.57^{🇻🇳 SUPERDATA112.213.92.0/24 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}

`tb-ap.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1.matbao.vn` ⭐
	NS	`ns-bak.matbao.com` ⚠️ Not in parent delegation
	NS	`ns2.matbao.vn`
	MX	`mail16380.maychuemail.com` ⭐
	TXT	`v=spf1 include:spf.maychuemail.com ~all`
	SOA	`ns1.matbao.vn`admin@matbao.com 2025-02-06 #1

Previously MX for

tb-ap.com

Same first word

mail.exchange

mail.live

mail.lk3.ru

mail.com.mk

mail.ap.gov.br

mail.dp.ua

mail.myjino.ru

mail.space

mail.net.ph

mail.rr.gov.br

mail.read-books.org

mail.ilovecollege.info

mail.gmx

mail.info.pl

mail.community

mail.cleaning

mail.bh

mail.site

mail.select

mail.email

mail.blue

mail.tools

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mail.li

mail.rw

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mail.sk

mail.at

mail.surf

mail.gov.ge

mail.dating

mail.travel

mail.td

mail.nr

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mail.xyz

mail.loginto.me

mail.bio

mail.dk

mail.main.jp

mail.graphics

mail.lc

mail.city

mail.yt

mail.watch

mail.lomo.jp

mail.lu

mail.tel

mail.ws

mail.holiday

mail.zombie.jp

mail.ma

mail.mr

mail.gov.af

mail.hashbang.sh

mail.mil.ru

mail.schwarz

mail.co.uk

mail.net.mk

mail.rj.gov.br

mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

mail.vacations

mail.my

mail.gov.mz

mail.gov.ph

mail.veterinaire.fr

mail.ee

mail.yokohama

mail.mu

mail.nflfan.org

mail.bayern

mail.dnsalias.com

mail.com.tr

mail.ai

mail.my.id

mail.org.ru

mail.re

mail.credit

mail.pl

mail.co.com

mail.perspecta.cloud

mail.ac.id

mail.nu

mail.barcelona

mail.codes

mail.ddns.net

mail.net.kg

mail.qualifioapp.com

mail.photography

mail.net.au

mail.storage

mail.energy

mail.mods.jp

mail.online

mail.ras.ru

mail.ls

mail.app

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DNS History

3 records (1 active, 2 former)

○A103.15.48.42016-09-13 → 2016-12-24 · 5 obs

○ 2016-08-01 06:19:58
● 2016-09-13 10:06:34
● 2016-12-24 17:47:22
○ 2026-05-11 10:47:06
○ 2026-05-11 10:47:08

○A222.255.237.782015-05-13 → 2016-08-01 · 4 obs

● 2015-05-13 06:25:10
● 2016-08-01 06:19:58
○ 2016-09-13 10:06:34
○ 2026-05-11 10:47:08

●CNAMEmail9257.maychuemail.com2026-05-11 → 2026-05-11 · 2 obs

● 2026-05-11 10:47:06
● 2026-05-11 10:47:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
tb-ap.com	ns1.matbao.vn, ns2.matbao.vn	-

✅ Authoritative Response

Server:13.250.228.99

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tb-ap.com (unsigned zone)

⏱️ Timing

Total: 1604ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail9257.maychuemail.com`

Analysis

IP Addresses

Two IP numbers are pointed to by mail.tb-ap.com: 2406:9c80::9000:1205 and 112.213.92.57.

other host names include httechco.com, mail.abk.com.vn, abk.com.vn, mail9257.dotvndns.vn and mail9257.maychuemail.net; they share IP numbers with mail.tb-ap.com.

mail.tb-ap.com - robtex.com

mail.tb-ap.com

tb-ap.com