`mail.zenithsci.com`

DNSSEC	⚠️ Not signed
A	124.217.255.142^{🇲🇾 SHINJIRU-MY-AS-AP124.217.240.0/20 Shinjiru Technology Sdn Bhd 19-2, Wisma Laxton, Jln Desa, Tmn Desa, Jln Klang Lama,}
		PTR	`hammerhead1.ipchina163.com`

`zenithsci.com`

	DNSSEC	⚠️ Not signed
	A	124.217.255.142^{🇲🇾 SHINJIRU-MY-AS-AP124.217.240.0/20 Shinjiru Technology Sdn Bhd 19-2, Wisma Laxton, Jln Desa, Tmn Desa, Jln Klang Lama,}
	NS	`ns243.ip-asia.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns102.steeldns.com` ⚠️ Not in zone NS records
	NS	`ns103.steeldns.com` ⚠️ Not in zone NS records
	NS	`ns244.ip-asia.com` ⚠️ Not in parent delegation
	MX	`mail.zenithsci.com` ⭐
	TXT	`v=spf1 mx ip4:101.99.69.0/24 ip4:111.90.139.0/24 include:mailsentinel.net ~all`
	SOA	`ns243.ip-asia.com`johnting274@gmail.com serial=1660003738

MX for

zenithsci.com

Same first word

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mail.ci

DNS History

2 records (1 active, 1 former)

○A101.99.69.322015-07-16 → 2016-12-28 · 4 obs

● 2015-07-16 12:34:56
● 2016-12-28 17:21:10
○ 2026-02-16 11:49:22
○ 2026-03-23 10:57:40

●A124.217.255.1422026-02-16 → 2026-03-23 · 3 obs

○ 2016-12-28 17:21:10
● 2026-02-16 11:49:22
● 2026-03-23 10:57:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
zenithsci.com	ns103.steeldns.com, ns102.steeldns.com	2 records

✅ Authoritative Response

Server:124.217.255.140

NS records: ns103.steeldns.com, ns102.steeldns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zenithsci.com (unsigned zone)

⏱️ Timing

Total: 3496ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`124.217.255.142`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns103.steeldns.com, ns102.steeldns.com)

Analysis

Mail Server Role

mail.zenithsci.com serves as the mail server for zenithsci.com.

IP Addresses

mail.zenithsci.com points to a single IP: 124.217.255.142.

Other host names, for instance hammerhead1.ipchina163.com, zenithsci.com, cruxiaer.com, mail.ubtsb.com and mail.wlw.com.my share IP numbers with mail.zenithsci.com.

mail.zenithsci.com - robtex.com