`mail.zhtgroup.com`

DNSSEC	⚠️ Not signed
A	121.8.142.172^{🇨🇳 CHINANET-BACKBONE121.8.0.0/13 China Telecom Network}
		PTR	`mail.zhtgroup.com`
MX	`www.zhtgroup.com` ⭐
		A	121.199.39.209^{🇨🇳 Alibaba-Cloud121.199.0.0/16}
MX	`zhtgroup.com` ⭐
		A	121.199.39.209^{🇨🇳 Alibaba-Cloud121.199.0.0/16}

`zhtgroup.com`

	DNSSEC	⚠️ Not signed
	A	121.199.39.209^{🇨🇳 Alibaba-Cloud121.199.0.0/16}
	NS	`dns25.hichina.com` ⭐
	NS	`dns26.hichina.com`
	MX	`mail.zhtgroup.com` ⭐
	TXT	`kr797lzp0p43srbzf563nvsp80trtfq4`
	SOA	`dns25.hichina.com`hostmaster@hichina.com 2026-01-12 #9

PTR for

172.142.8.121.in-addr.arpa

MX for

zhtgroup.com

Same first word

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mail.wedding

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mail.to

mail.tf

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DNS History

4 records (3 active, 1 former)

●MXwww.zhtgroup.com2015-05-25 → 2026-08-02 · 2 obs

● 2015-05-25 03:33:18
● 2026-08-02 04:15:34

●MXzhtgroup.com2015-05-25 → 2026-08-02 · 2 obs

● 2015-05-25 03:33:18
● 2026-08-02 04:15:34

○A121.8.142.1702015-05-25 → 2015-12-24 · 4 obs

● 2015-05-25 03:33:18
● 2015-12-24 19:38:56
○ 2016-12-02 08:38:22
○ 2026-08-02 04:15:34

●A121.8.142.1722016-12-02 → 2026-08-02 · 3 obs

○ 2015-12-24 19:38:56
● 2016-12-02 08:38:22
● 2026-08-02 04:15:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...	-
zhtgroup.com	dns25.hichina.com, dns26.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

NS records: dns25.hichina.com, dns26.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zhtgroup.com (unsigned zone)

⏱️ Timing

Total: 712ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.8.142.172`
MX	2	`zhtgroup.com (pri: 1), www.zhtgroup.com (pri: 1)`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns25.hichina.com, dns25.hichina.com, dns25.hichina.com...)

Analysis

Mail Server Role

The mail server mail.zhtgroup.com processes email for zhtgroup.com.

IP Addresses

mail.zhtgroup.com resolves to just one IP address, 121.8.142.172.

Mail Servers

mail.zhtgroup.com is served by two mail servers, zhtgroup.com and www.zhtgroup.com.

zhtgroup.com resolves to 121.199.39.209; www.zhtgroup.com resolves to the same IP address, 121.199.39.209.

Both zhtgroup.com and www.zhtgroup.com resolve to 121.199.39.209 IP addresses each.

mail.zhtgroup.com - robtex.com