`spam01.coolffice.com`

DNSSEC

⚠️ Not signed

`coolffice.com`

	DNSSEC	⚠️ Not signed
	A	211.110.140.158^{🇰🇷 SKB-NET211.110.0.0/16 SK Broadband}
	NS	`ns11.dnszi.com` ⭐
	NS	`ns22.dnszi.com`
	NS	`ns37.dnszi.com`
	NS	`ns53.dnszi.com`
	NS	`ns77.dnszi.com`
	SOA	`ns11.dnszi.com`root@dnszi.com 2026-08-05 #1

PTR for

51.9.122.210.in-addr.arpa

Previously MX for

dycmc.com

coolffice.com

Similar names

10amps.com

10maps.googleapis.com

spam10.com

psma01.com

DNS History

1 record (0 active, 1 former)

○A210.122.9.512018-09-22 → 2018-09-22 · 3 obs

● 2018-09-22 16:55:56
○ 2026-08-07 23:59:08
○ 2026-08-07 23:59:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coolffice.com	ns11.dnszi.com, ns22.dnszi.com, ns37.dnszi.com, ns53.dnszi.com...	5 records

✅ Authoritative Response

Server:27.1.16.85

NS records: ns11.dnszi.com, ns22.dnszi.com, ns37.dnszi.com, ns53.dnszi.com, ns77.dnszi.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolffice.com (unsigned zone)

⏱️ Timing

Total: 3432ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns11.dnszi.com, ns22.dnszi.com, ns37.dnszi.com...)

spam01.coolffice.com - robtex.com