`instance-60951.bigstep.io`

DNSSEC	⚠️ Not signed
A	185.90.51.150^{🇬🇧 BIGSTEP-CLOUD185.90.48.0/22 Bigstep Cloud Services}
		PTR	`instance-60951.bigstep.io`
NS	`ns3.bigstep.com` ⭐
		A	84.40.58.28^{🇬🇧 BIGSTEP-CLOUD84.40.58.0/23 Bigstep Cloud Services}
SOA	`ns3.bigstep.com`systems@bigstep.com serial=1769692312

`bigstep.io`

	DNSSEC	⚠️ Not signed
	A	84.40.15.21^{🇬🇧 BIGSTEP-CLOUD84.40.15.0/24}
	NS	`ns3.bigstep.com` ⭐
	NS	`ns4.bigstep.com`
	MX	`mail.bigstep.io` ⭐
	TXT	`v=spf1 ip4:89.36.24.0/21 ip4:216.139.215.0/24 a mx ~all`
	SOA	`ns3.bigstep.com`systems@bigstep.com 2019-06-14 #2

PTR for

150.51.90.185.in-addr.arpa

DNS History

2 records (2 active, 0 former)

●NSns3.bigstep.com2026-03-13 → 2026-04-24 · 2 obs

● 2026-03-13 00:04:58
● 2026-04-24 05:14:48

●A185.90.51.1502026-03-13 → 2026-04-24 · 2 obs

● 2026-03-13 00:04:58
● 2026-04-24 05:14:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, b0.nic.io, a0.nic.io, a2.nic.io	-
bigstep.io	ns4.bigstep.com, ns3.bigstep.com	-

✅ Authoritative Response

Server:84.40.58.29

NS records: ns4.bigstep.com, ns3.bigstep.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bigstep.io (unsigned zone)

⏱️ Timing

Total: 1075ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.90.51.150`
SOA	1	`ns3.bigstep.com systems.bigstep.com`

Analysis

IP Addresses

instance-60951.bigstep.io resolves to one IP number: 185.90.51.150.

Other host names, for example brdam.ro, share IP numbers with instance-60951.bigstep.io.

Name Servers

Delegation for instance-60951.bigstep.io is handled by a single name server, ns3.bigstep.com.

instance-60951.bigstep.io uses the same name server setup as other domains, such as instance-59649.bigstep.io, instance-61305.bigstep.io, instance-61120.bigstep.io, instance-60902.bigstep.io and instance-34014.bigstep.io.

instance-60951.bigstep.io at least partially shares name servers with other domains, including 61.40.84.in-addr.arpa, 63.40.84.in-addr.arpa, 50.90.185.in-addr.arpa, 244.223.176.in-addr.arpa and bigstep.io.

These name servers are commonly used with ns4.bigstep.com.

Host name ns3.bigstep.com resolves to a single IP: 84.40.58.28.

instance-60951.bigstep.io - robtex.com