`schoolmonsters.com`

DNSSEC	⚠️ Not signed
A	91.121.158.145^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
		PTR	`udev.org`
NS	`ns1.udev.org` ⭐
		A	91.121.158.145^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
			PTR	`udev.org`
NS	`ns2.udev.org`
		A	91.121.158.145^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
			PTR	`udev.org`
SOA	`ns1.udev.org`hostmaster@schoolmonsters.com serial=133156395

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785240797

Subdomains

hostmaster.schoolmonsters.com

Same first word

schoolmonsters.com

DNS History

3 records (3 active, 0 former)

●NSns1.udev.org2015-08-17 → 2026-07-28 · 2 obs

● 2015-08-17 00:55:24
● 2026-07-28 12:33:32

●NSns2.udev.org2015-08-17 → 2026-07-28 · 2 obs

● 2015-08-17 00:55:24
● 2026-07-28 12:33:32

●A91.121.158.1452015-08-17 → 2026-07-28 · 2 obs

● 2015-08-17 00:55:24
● 2026-07-28 12:33:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
schoolmonsters.com	ns2.udev.org, ns1.udev.org	-

✅ Authoritative Response

Server:91.121.158.145

NS records: ns2.udev.org, ns1.udev.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolmonsters.com (unsigned zone)

⏱️ Timing

Total: 1293ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.121.158.145`
NS	2	`ns2.udev.org, ns1.udev.org`
SOA	1	`ns1.udev.org hostmaster.schoolmonsters.c`

Analysis

Hierarchy

schoolmonsters.com is the parent zone for hostmaster.schoolmonsters.com.

IP Addresses

schoolmonsters.com has exactly one IP address — 91.121.158.145.

ks359587.kimsufi.com, lln.udev.org, hostmaster.lesuisse.com plus two other host names have IP numbers in common with schoolmonsters.com.

Name Servers

schoolmonsters.com is served by two delegated name servers, ns1.udev.org and ns2.udev.org.

The name server configuration of schoolmonsters.com is shared with other domains, for instance comicsontv.org, lesuisse.net, eolart.org and two others.

The DNS delegation for schoolmonsters.com at least partly coincides with that of other domains, udev.org being one example.

ns1.udev.org and ns2.udev.org share one IP address between them — 91.121.158.145.

These two host names — ns1.udev.org and ns2.udev.org — each point to 91.121.158.145 IP addresses.

schoolmonsters.com - robtex.com