`mail.aplus-tec.com.cn`

DNSSEC	⚠️ Not signed
A	222.92.4.135^{🇨🇳 CHINANET-BACKBONE222.92.0.0/14 China Telecom Network}
		PTR	`mail.aplus-tec.com.cn`

`aplus-tec.com.cn`

	DNSSEC	⚠️ Not signed
	A	47.102.203.221^{🇨🇳 Alibaba-Cloud47.102.0.0/15}
	NS	`dns27.hichina.com` ⭐
	NS	`dns28.hichina.com`
	MX	`mail.aplus-tec.com.cn` ⭐
	TXT	`v=spf1 ip4:222.92.4.135/28 include:_spf.google.com a mx ?all`
	SOA	`dns27.hichina.com`hostmaster@hichina.com 2026-01-09 #13

PTR for

135.4.92.222.in-addr.arpa

MX for

aplus-tec.com.cn

Same first word

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DNS History

2 records (1 active, 1 former)

●A222.92.4.1352026-04-04 → 2026-04-12 · 3 obs

○ 2017-08-09 04:57:20
● 2026-04-04 22:37:40
● 2026-04-12 00:09:40

○A222.92.4.1402017-08-09 → 2017-08-09 · 3 obs

● 2017-08-09 04:57:20
○ 2026-04-04 22:37:40
○ 2026-04-12 00:09:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
aplus-tec.com.cn	dns27.hichina.com, dns28.hichina.com	-

✅ Authoritative Response

Server:139.224.142.107

NS records: dns27.hichina.com, dns28.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for aplus-tec.com.cn (unsigned zone)

⏱️ Timing

Total: 1694ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`222.92.4.135`

Analysis

Mail Server Role

mail.aplus-tec.com.cn functions as a mail server for aplus-tec.com.cn.

IP Addresses

mail.aplus-tec.com.cn resolves to one IP number: 222.92.4.135.

mail.aplus-tec.com.cn - robtex.com