`testrtc.attnet.mcore.com`

	DNSSEC	⚠️ Not signed
	A	89.31.143.90^{🇩🇪 UDAG89.31.143.0/24}

`attnet.mcore.com`

	DNSSEC	⚠️ Not signed
	A	89.31.143.90^{🇩🇪 UDAG89.31.143.0/24}

Same first word

testrtc.com

Similar names

ctrtest.com

rtctest.ru

DNS History

3 records (1 active, 2 former)

○A72.53.197.2521970-01-01 → 1970-01-01 · 3 obs

● 1970-01-01 00:00:00
○ 2017-07-12 14:34:40
○ 2026-05-11 13:17:56

○A89.31.143.12017-07-12 → 2017-07-12 · 3 obs

○ 1970-01-01 00:00:00
● 2017-07-12 14:34:40
○ 2026-05-11 13:17:56

●A89.31.143.902026-05-11 → 2026-05-11 · 2 obs

○ 2017-07-12 14:34:40
● 2026-05-11 13:17:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
mcore.com	ns.udag.de, ns.udag.net, ns.udag.org	-

✅ Authoritative Response

Server:217.160.80.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcore.com (unsigned zone)

⏱️ Timing

Total: 628ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.31.143.90`

Analysis

IP Addresses

testrtc.attnet.mcore.com points to a single IP address: 89.31.143.90.

Other host names such as azman.de, mail.stelle-frei.de, nolte.eu, udosnack.com and sport5.net share IP numbers with testrtc.attnet.mcore.com.

testrtc.attnet.mcore.com - robtex.com