`mail.unionbigdata.com`

	DNSSEC	⚠️ Not signed
	A	182.149.104.246^{🇨🇳 CHINANET-BACKBONE182.144.0.0/13 ChinaNet Sichuan Network}

`unionbigdata.com`

	DNSSEC	⚠️ Not signed
	NS	`dns17.hichina.com` ⭐
	NS	`dns18.hichina.com`
	MX	`mx1.spamgateway.cn` ⭐
	MX	`mx.spamgateway.cn`⁽⁵⁾
	TXT	`v=spf1 ip4:182.149.104.245 ip4:182.149.104.246 ip4:182.149.104.247 ip4:182.14...`
	SOA	`dns17.hichina.com`hostmaster@hichina.com 2026-01-09 #13

Previously MX for

unionbigdata.com

Same first word

mail.cz

mail.gov.ms

mail.so

mail.ind.in

mail.com.in

mail.noip.us

mail.hippy.jp

mail.eating-organic.net

mail.ba.gov.br

mail.com

mail.inf.br

mail.4u.com

mail.edu.tw

mail.gov.rs

mail.dnsalias.net

mail.pro.br

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mail.be

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mail.how

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mail.gouv.ci

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mail.k12.vt.us

mail.photos

mail.omg.lol

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mail.cloudaccess.net

mail.girly.jp

mail.ec

mail.potager.org

mail.v.ua

mail.copro.uk

mail.or.id

mail.kim

mail.md

mail.gov.ls

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mail.gov.rw

mail.gov.bs

mail.ca

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mail.org.br

mail.technology

mail.edu.ru

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mail.global

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mail.se

mail.gd

mail.csx.cc

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mail.coupons

mail.js.org

mail.ch

mail.partners

mail.mt

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mail.town

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mail.com.br

mail.com.ph

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mail.bike

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mail.gov.cn

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mail.in.th

mail.tech

mail.rakkestad.no

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imal.fr

DNS History

2 records (1 active, 1 former)

○A112.124.33.2112015-06-06 → 2016-09-25 · 4 obs

● 2015-06-06 08:45:18
● 2016-09-25 14:16:54
○ 2026-03-27 03:56:56
○ 2026-03-27 03:57:02

●A182.149.104.2462026-03-27 → 2026-03-27 · 3 obs

○ 2016-09-25 14:16:54
● 2026-03-27 03:56:56
● 2026-03-27 03:57:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...	-
unionbigdata.com	dns17.hichina.com, dns18.hichina.com	18 records

✅ Authoritative Response

Server:2408:4009:501::26

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for unionbigdata.com (unsigned zone)

⏱️ Timing

Total: 2556ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`182.149.104.246`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)

Analysis

IP Addresses

mail.unionbigdata.com points to IP number 182.149.104.246.

Other host names, for instance, shuzhilian.xyz share IP numbers with mail.unionbigdata.com.

mail.unionbigdata.com - robtex.com