🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`backend.dev.sprz.app`

DNSSEC	⚠️ Not signed
A	134.19.147.90^{🇷🇺 SV-EN-AS134.19.144.0/21 Kostroma-SVEN Networks}
		PTR	`smtp.sokolov.ru`

`dev.sprz.app`

	DNSSEC	⚠️ Not signed
	A	134.19.147.90^{🇷🇺 SV-EN-AS134.19.144.0/21 Kostroma-SVEN Networks}

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DNS History

1 record (1 active, 0 former)

●A134.19.147.902026-08-03 → 2026-10-18 · 4 obs

● 2026-08-03 13:14:02
○ 2026-09-25 04:24:44
● 2026-10-03 02:22:46
● 2026-10-18 06:55:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
sprz.app	ns8-cloud.nic.ru, ns4-l2.nic.ru, ns4-cloud.nic.ru, ns1.yandexcloud.net...	-

✅ Authoritative Response

Server:84.201.185.208

NS records: ns8-cloud.nic.ru, ns4-l2.nic.ru, ns4-cloud.nic.ru, ns1.yandexcloud.net, ns3-l2.nic.ru, ns8-l2.nic.ru, ns2.yandexcloud.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 1220ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`134.19.147.90`

Analysis

IP Addresses

backend.dev.sprz.app resolves to just one IP address, 134.19.147.90.

Further host names like admin.dev.sprz.app and dev.sprz.app overlap in IP numbers with backend.dev.sprz.app.

backend.dev.sprz.app - robtex.com