`dns2.coursevo.com`

DNSSEC	⚠️ Not signed
A	147.27.41.19^{🇬🇷 TUC-AS147.27.0.0/16 Technical University of Crete}
		PTR	`mail.coursevo.com`

`coursevo.com`

	DNSSEC	⚠️ Not signed
	A	147.27.41.19^{🇬🇷 TUC-AS147.27.0.0/16 Technical University of Crete}
	NS	`dns.coursevo.org` ⭐
	NS	`dns.coursevo.com` ⚠️ Not in zone NS records
	NS	`dns2.coursevo.com`
	MX	`mail.coursevo.com` ⭐
	TXT	`v=spf1 mx a ip4:147.27.41.19`
	SOA	`dns.coursevo.org`admin@coursevo.com serial=20091118

NS for

coursevo.com

Same first word

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DNS History

3 records (1 active, 2 former)

●A147.27.41.192026-02-15 → 2026-05-03 · 3 obs

○ 2016-04-26 06:30:08
● 2026-02-15 01:53:54
● 2026-05-03 13:56:26

○A147.27.41.72015-11-04 → 2016-04-26 · 5 obs

○ 2015-02-05 19:10:08
● 2015-11-04 05:16:10
● 2016-04-26 06:30:08
○ 2026-02-15 01:53:54
○ 2026-05-03 13:56:26

○A78.47.224.2072015-02-05 → 2015-02-05 · 3 obs

● 2015-02-05 19:10:08
○ 2015-11-04 05:16:10
○ 2026-05-03 13:56:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
coursevo.com	dns.coursevo.com, dns2.coursevo.com	2 records

✅ Authoritative Response

Server:147.27.41.19

NS records: dns.coursevo.com, dns2.coursevo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursevo.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`147.27.41.19`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (dns.coursevo.com, dns2.coursevo.com)

Analysis

Name Server Role

For coursevo.com, dns2.coursevo.com is used as a name server.

dns.coursevo.com and dns.coursevo.org are commonly used as name servers alongside dns2.coursevo.com.

IP Addresses

dns2.coursevo.com points to a single IP address: 147.27.41.19.

Other host names, for example coursevo.com, dns.coursevo.com and mail.coursevo.com share IPs with dns2.coursevo.com.

dns2.coursevo.com - robtex.com