`check-upgrade.com`

DNSSEC	⚠️ Not signed
A	`::1`
A	127.0.0.1
NS	`pns71.cloudns.net` ⚠️ Not in zone NS records
		A	2a06:fb00:2::1:12^{🇧🇬 CLOUDNSNET2a06:fb00:2::/48 ClouDNS}
			PTR	`pns71.cloudns.net`
		A	45.83.248.12^{🇧🇬 CLOUDNSNET45.83.248.0/24 Cloud DNS Ltd}
			PTR	`pns71.cloudns.net`
NS	`pns72.cloudns.com` ⚠️ Not in zone NS records
		A	2a06:fb00:2::2:12^{🇧🇬 CLOUDNSNET2a06:fb00:2::/48 ClouDNS}
			PTR	`pns72.cloudns.com`
		A	45.83.249.12^{🇧🇬 CLOUDNSNET45.83.249.0/24 Cloud DNS Ltd}
			PTR	`pns72.cloudns.com`
MX	`localhost` ⭐
TXT	`expired`

`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=1777073536

⚠️ On DNS blocklist: tif

Same first word

check-upgrade.com

DNS History

5 records (5 active, 0 former)

●NSpns71.cloudns.net2026-04-18 → 2026-04-24 · 2 obs

● 2026-04-18 22:22:00
● 2026-04-24 23:52:16

●NSpns72.cloudns.com2026-04-18 → 2026-04-24 · 2 obs

● 2026-04-18 22:22:00
● 2026-04-24 23:52:16

●MXlocalhost2026-04-18 → 2026-04-24 · 2 obs

● 2026-04-18 22:22:00
● 2026-04-24 23:52:16

●A::12026-04-18 → 2026-04-24 · 2 obs

● 2026-04-18 22:22:00
● 2026-04-24 23:52:16

●A127.0.0.12026-04-18 → 2026-04-24 · 2 obs

● 2026-04-18 22:22:00
● 2026-04-24 23:52:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
check-upgrade.com	pns71.cloudns.net, pns72.cloudns.com	2 records

✅ Authoritative Response

Server:45.83.248.12

NS records: pns71.cloudns.net, pns72.cloudns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for check-upgrade.com (unsigned zone)

⏱️ Timing

Total: 410ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`
AAAA	1	`::1`
MX	1	`localhost (pri: 0)`
TXT	1	`expired`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pns72.cloudns.com, pns72.cloudns.com)

Analysis

IP Addresses

check-upgrade.com points to two IPs: ::1 and 127.0.0.1.

Other host names including 7621.borghese520.sinaapp.com, 55.104.128.static.quadranet.com, 44.161.181.static.quadranet.com, new1tuzhi.app and br1e.com share IP numbers with check-upgrade.com.

Name Servers

check-upgrade.com's delegation uses two name servers, pns72.cloudns.com and pns71.cloudns.net.

check-upgrade.com shares the same name server setup as other domains, for example sessions-govdelivery.com, mgbx-user.com, private-trezorio.com, gencine.com and ident-trezor.com.

check-upgrade.com at least partially shares name servers with other domains, including bmo-online-bank.com, eddrugs2017.com, danabarish.com, 169.225.45.in-addr.arpa and ingify.com.

These name servers are typically used together with the name servers pns74.cloudns.uk, pns73.cloudns.net, ns74.cloudns.uk, ns71.cloudns.net, ns72.cloudns.com, ns73.cloudns.net, ns1.buybrands.com, ns2.buybrands.com, ns3.buybrands.com and ns4.buybrands.com.

Host names with two IPs:

pns72.cloudns.com points to: 2a06:fb00:2::2:12 and 45.83.249.12

pns71.cloudns.net points to: 2a06:fb00:2::1:12 and 45.83.248.12

Mail Servers

check-upgrade.com is handled by a single mail server, localhost.

check-upgrade.com shares its mail server setup with other domains, including www.rock.je, thesaurus.no, ethnic.in, komutan.com and 1400.org.

check-upgrade.com - robtex.com