`mail.barcode4u.com`

CNAME	`mx2.mailguru.biz`
DNSSEC	⚠️ Not signed
A	64.27.54.60^{🇺🇸 WEHOST64.27.48.0/20 WEBSITES-NETWORK}
		PTR	`mx2.mailguru.biz`

`barcode4u.com`

	DNSSEC	⚠️ Not signed
	A	204.197.240.85^{🇺🇸 PRIVATESYSTEMS204.197.240.0/21 PrivateSystems Networks TX}
	NS	`dns1.veryfasthost.com` ⭐ ⚠️ Not in parent delegation
	NS	`dns1.datameter.com` ⚠️ Not in zone NS records
	NS	`dns2.datameter.com` ⚠️ Not in zone NS records
	NS	`dns2.veryfasthost.com` ⚠️ Not in parent delegation
	MX	`mx.spamexperts.com` ⭐
	MX	`fallbackmx.spamexperts.eu`⁽²⁰⁾
	MX	`lastmx.spamexperts.net`⁽³⁰⁾
	TXT	`v=spf1 a mx ip4:204.197.240.85 include:_spf.mailguru.biz ~all`
	SOA	`dns1.veryfasthost.com`hostmaster@barcode4u.com 2025-12-11 #16

Previously MX for

barcode4u.com

Same first word

mail.virtualuser.de

mail.charity

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

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mail.email

mail.blue

mail.tools

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mail.rw

mail.vision

mail.sk

mail.at

mail.surf

mail.gov.ge

mail.dating

mail.travel

mail.nr

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mail.xyz

mail.loginto.me

mail.bio

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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

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DNS History

7 records (1 active, 6 former)

○NSns1.md-7.webhostbox.net2015-10-16 → 2016-07-18 · 4 obs

● 2015-10-16 15:09:04
● 2016-07-18 21:45:42
○ 2026-05-10 15:53:18
○ 2026-05-10 15:53:20

○NSns2.md-7.webhostbox.net2015-10-16 → 2016-07-18 · 4 obs

● 2015-10-16 15:09:04
● 2016-07-18 21:45:42
○ 2026-05-10 15:53:18
○ 2026-05-10 15:53:20

○MXbarcode4u.com2015-10-16 → 2016-07-18 · 4 obs

● 2015-10-16 15:09:04
● 2016-07-18 21:45:42
○ 2026-05-10 15:53:18
○ 2026-05-10 15:53:20

○A208.91.198.512015-10-16 → 2016-07-18 · 5 obs

○ 2015-05-12 19:48:24
● 2015-10-16 15:09:04
● 2016-07-18 21:45:42
○ 2026-05-10 15:53:18
○ 2026-05-10 15:53:20

○A65.182.102.902015-05-12 → 2015-05-12 · 3 obs

● 2015-05-12 19:48:24
○ 2015-10-16 15:09:04
○ 2026-05-10 15:53:20

○CNAMEbarcode4u.com2015-10-16 → 2016-07-18 · 4 obs

● 2015-10-16 15:09:04
● 2016-07-18 21:45:42
○ 2026-05-10 15:53:18
○ 2026-05-10 15:53:20

●CNAMEmx2.mailguru.biz2026-05-10 → 2026-05-10 · 3 obs

○ 2016-07-18 21:45:42
● 2026-05-10 15:53:18
● 2026-05-10 15:53:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
barcode4u.com	dns1.datameter.com, dns2.datameter.com	2 records

✅ Authoritative Response

Server:204.197.241.85

NS records: dns1.datameter.com, dns2.datameter.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for barcode4u.com (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mx2.mailguru.biz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.datameter.com, dns2.datameter.com)

Analysis

IP Addresses

mail.barcode4u.com resolves to one IP number: 64.27.54.60.

other host names including mail.denz.in, mail.csoi.in, mail.synergicsolutions.in, mail.bsdinfotech.com and mx2.mailguru.biz share IP numbers with mail.barcode4u.com.

mail.barcode4u.com - robtex.com