`backuponline.pt`

DNSSEC	⚠️ Not signed
NS	`dns1.plaindns.net` ⚠️ Not in zone NS records
		A	2a01:8100:2911::2:184:4^{🇮🇹 REGISTER-AS2a01:8100:2000::/36}
		A	81.88.61.4^{🇮🇹 REGISTER-AS81.88.48.0/20 Register.IT S.p.A. prefix}
			PTR	`host-81-88-61-4.dedicatedservers.it`
NS	`dns2.plaindns.net` ⚠️ Not in zone NS records
		A	81.88.63.52^{🇮🇹 REGISTER-AS81.88.63.0/24 Register.IT S.p.A. prefix}
			PTR	`host-81-88-63-52.dedicatedservers.it`

`pt`

	DNSSEC	🔒 Signed (DS record present)
	NS	`curiosity.dns.pt` ⭐
	NS	`a.dns.pt`
	NS	`b.dns.pt`
	NS	`c.dns.pt`
	NS	`d.dns.pt`
	NS	`e.dns.pt`
	NS	`g.dns.pt`
	NS	`h.dns.pt`
	NS	`ns.dns.br` ⚠️ Not in parent delegation
	NS	`ns2.nic.fr` ⚠️ Not in parent delegation
	SOA	`curiosity.dns.pt`request@dns.pt 2026-07-30 #32

Same first word

backuponline.biz

backuponline.pt

backuponline.lu

backuponline.es

backuponline.at

backuponline.de

backuponline.nl

backuponline.com

backuponline.eu

backuponline.com.br

backuponline.net

Similar names

DNS History

4 records (2 active, 2 former)

●NSdns1.plaindns.net2015-11-18 → 2026-07-30 · 2 obs

● 2015-11-18 10:03:02
● 2026-07-30 15:53:16

●NSdns2.plaindns.net2015-11-18 → 2026-07-30 · 2 obs

● 2015-11-18 10:03:02
● 2026-07-30 15:53:16

○MXmail-pt.securemail.pro2015-11-18 → 2017-04-05 · 4 obs

● 2015-11-18 10:03:02
● 2017-04-05 03:41:06
○ 2026-03-27 16:08:24
○ 2026-07-30 15:53:16

○A81.88.57.702015-11-18 → 2017-04-05 · 4 obs

● 2015-11-18 10:03:02
● 2017-04-05 03:41:06
○ 2026-03-27 16:08:24
○ 2026-07-30 15:53:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt...	18 records
backuponline.pt	dns1.plaindns.net, dns2.plaindns.net	-

✅ Authoritative Response

Server:81.88.63.52

NS records: dns1.plaindns.net, dns2.plaindns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for backuponline.pt (unsigned zone)

⏱️ Timing

Total: 835ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 18

In-bailiwick: 14 (a.dns.pt, b.dns.pt, c.dns.pt...)

Out-of-bailiwick: 4 (ns.dns.br, ns2.nic.fr, ns.dns.br...)

Analysis

Name Servers

DNS delegation for backuponline.pt points to two name servers: dns1.plaindns.net and dns2.plaindns.net.

backuponline.pt uses the same name servers as several other domains — among them lesvraiesvacances.com, raiza.pt, bv-productions.com and two more.

At least some of backuponline.pt's name servers are shared with other domains, for example cogelis.com, hammampacha.com, cdtsm.pt and two more.

These name servers tend to be deployed in combination with the name servers ns1.amenworld.com and ns2.amenworld.com.

Hostnames that resolve to two IP addresses:

dns1.plaindns.net has two IP addresses: 81.88.61.4 and 2a01:8100:2911::2:184:4.

Hosts with just one IP address:

dns2.plaindns.net directs to 81.88.63.52.

backuponline.pt - robtex.com

backuponline.pt

pt