`ns1.blackfirsta.com`

DNSSEC	⚠️ Not signed
A	5.252.35.162^{🇸🇰 STORMWALL-AS5.252.35.0/24}
		PTR	`sender.firstmail.ltd`

`blackfirsta.com`

	DNSSEC	⚠️ Not signed
	A	5.230.123.239^{🇩🇪 ASGHOSTNET5.230.123.0/24 GHOSTnet GmbH IP Space}
	NS	`ns1.blackfirsta.com.blackfirsta.com` ⭐
	NS	`ns1.blackfirsta.com` ⚠️ Not in parent delegation
	NS	`ns1.firstmail.ltd` ⚠️ Not in zone NS records
	NS	`ns2.blackfirsta.com` ⚠️ Not in parent delegation
	NS	`ns2.firstmail.ltd` ⚠️ Not in zone NS records
	MX	`mail.blackfirsta.com` ⭐
	TXT	`v=spf1 -all`
	SOA	`ns1.blackfirsta.com.blackfirsta.com`admin@blackfirsta.com.blackfirsta.com 2023-01-11 #2

⚠️ On DNS blocklist: tif

NS for

blackfirsta.com

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DNS History

1 record (1 active, 0 former)

●A5.252.35.1622026-05-11 → 2026-05-15 · 2 obs

● 2026-05-11 12:41:40
● 2026-05-15 08:06:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net...	-
blackfirsta.com	ns1.firstmail.ltd, ns2.firstmail.ltd	-

✅ Authoritative Response

Server:5.252.35.162

NS records: ns1.firstmail.ltd, ns2.firstmail.ltd

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blackfirsta.com (unsigned zone)

⏱️ Timing

Total: 879ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.252.35.162`

Analysis

Name Server Role

ns1.blackfirsta.com serves as the name server for blackfirsta.com.

ns2.blackfirsta.com, ns1.firstmail.ltd and ns2.firstmail.ltd are commonly used as name servers along with ns1.blackfirsta.com.

IP Addresses

ns1.blackfirsta.com points to a single IP address: 5.252.35.162.

Other host names such as ns1.matemails.ru, ns2.pericolgmail.ru, ns1.interdiscpt.ru, ns1.consignifioli.ru and ns1.chromarsmail.ru share IP numbers with ns1.blackfirsta.com.

ns1.blackfirsta.com - robtex.com