🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`smssmtp.citycomputing.com`

DNSSEC

⚠️ Not signed

`citycomputing.com`

	DNSSEC	⚠️ Not signed
	A	203.86.165.79^{🇭🇰 HKTDCS203.86.160.0/19}
	NS	`denver.ns.cloudflare.com` ⭐
	NS	`edna.ns.cloudflare.com`
	MX	`citycomputing-com.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	SOA	`denver.ns.cloudflare.com`dns@cloudflare.com serial=2412359802

PTR for

92.96.66.202.in-addr.arpa

MX for

hkshowbiz.com

Previously MX for

citycomputing.com

DNS History

2 records (0 active, 2 former)

○A202.64.43.922009-01-15 → 2009-01-15 · 3 obs

● 2009-01-15 15:42:40
○ 2015-06-25 08:50:22
○ 2026-08-17 13:03:06

○A202.66.96.922015-06-25 → 2016-09-18 · 5 obs

○ 2009-01-15 15:42:40
● 2015-06-25 08:50:22
● 2016-09-18 07:51:34
○ 2026-03-26 18:05:30
○ 2026-08-17 13:03:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net...	-
citycomputing.com	edna.ns.cloudflare.com, denver.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.196

NS records: edna.ns.cloudflare.com, denver.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 105ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (edna.ns.cloudflare.com, edna.ns.cloudflare.com, edna.ns.cloudflare.com...)

smssmtp.citycomputing.com - robtex.com