`ns-dev01.getcourse.ru`

	DNSSEC	⚠️ Not signed
	A	178.132.206.123^{🇷🇺 SELECTEL-MSK178.132.206.0/24 SELECTEL-NET-MSK}

`getcourse.ru`

	DNSSEC	⚠️ Not signed
	A	178.248.235.39^{🇷🇺 HLL-AS178.248.234.0/23 HLL}
	NS	`ns3-l2.nic.ru` ⭐
	NS	`helium.ns.hetzner.de`
	NS	`hydrogen.ns.hetzner.com`
	NS	`ns4-cloud.nic.ru` ⚠️ Not in parent delegation
	NS	`ns4-l2.nic.ru`
	NS	`ns8-cloud.nic.ru` ⚠️ Not in parent delegation
	NS	`ns8-l2.nic.ru`
	NS	`oxygen.ns.hetzner.com`
	MX	`mx.yandex.ru` ⭐
	TXT	`_globalsign-domain-verification=iyt0yvOfgGlD_cUR5n21nfAvs6uT4ea3C1j4Z4s2sa`
	TXT	`v=spf1 include:2aefc998b1867ef3a01ecb5dfc8d717e.gca.to include:_spf.yandex.ru...`
	TXT	`google-site-verification=gNPhZgztUrOyFn8CF2dyETRLWtVk5MsOE_7UkQiBstI`
	TXT	`google-site-verification=iPAaFjkqPeqdGC94HUlFXqw2bUpm8_PWGppHD7LrZi0`
	TXT	`google-site-verification=oAP0VEyQDSu30DyEB-ifP0aZ2fsvutnzChlJQR2Vmlg`
	TXT	`google-site-verification=qRsQrsRXRKclnlxCbeY6gAaMYrwRyhqQ583pMKoUgnY`
	TXT	`_globalsign-domain-verification=8-HW6zLrRx1Q3kuQa7eQBURhhdaOCHbO3HUYWBqpkq`
	TXT	`_globalsign-domain-verification=DwQk1cC5ehA4zZdHuJ0Vm_k61RZzvq6yTg0lb403ZJ`
	TXT	`_globalsign-domain-verification=UDi0XcBRRZ7U7uwqX0mPmSgtMqEJBkwetUU5CwxtAn`
	TXT	`_globalsign-domain-verification=VswIM9axfpTfKenp7ek2YFAXWaff2-DUb_vVuHGVGB`
	TXT	`_globalsign-domain-verification=Z1uvYT1AXMSliPhns1O1ZCWXldo9B_6zGhu18jumL5`
	SOA	`ns3-l2.nic.ru`dns@nic.ru 2020-03-06 #0

WOT: SAFE (62/100)
rank #48638 globally
rank #1395 in the tld
WOT: SAFE (73/100)
📈 Tranco rank: #6,464

NS for

getcourse.net

DNS History

1 record (1 active, 0 former)

●A178.132.206.1232026-03-25 → 2026-03-26 · 2 obs

● 2026-03-25 23:54:48
● 2026-03-26 14:33:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
getcourse.ru	helium.ns.hetzner.de, ns3-l2.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru...	3 records

✅ Authoritative Response

Server:91.217.20.20

NS records: helium.ns.hetzner.de, ns3-l2.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for getcourse.ru (unsigned zone)

⏱️ Timing

Total: 984ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.132.206.123`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns3-l2.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru)

Analysis

Name Server Role

For getcourse.net, ns-dev01.getcourse.ru is used as a name server.

ns-dev01.getcourses.ru and ns-dev02.getcourse.ru are commonly used as name servers together with ns-dev01.getcourse.ru.

IP Addresses

ns-dev01.getcourse.ru points to a single IP number: 178.132.206.123.

Other host names, for instance ns-dev02.getcourse.ru, ns-dev01.getcourses.ru and ns-dev02.getcourses.ru share IP numbers with ns-dev01.getcourse.ru.

ns-dev01.getcourse.ru - robtex.com