🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`web.fd.up.pt`

DNSSEC	⚠️ Not signed
A	193.137.50.112^{🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET}
		PTR	`web.direito.up.pt`
		PTR	`web.fd.up.pt`

`fd.up.pt`

	DNSSEC	⚠️ Not signed
	A	193.137.55.13^{🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET}
	NS	`ns1.up.pt` ⭐ ⚠️ Not in parent delegation
	NS	`ns02.fccn.pt` ⚠️ Not in parent delegation
	NS	`ns2.up.pt` ⚠️ Not in parent delegation
	NS	`ns3.up.pt` ⚠️ Not in parent delegation
	NS	`ns4.up.pt` ⚠️ Not in parent delegation
	SOA	`ns1.up.pt`it@up.pt serial=1792208453

WOT: SAFE (64/100)
WOT: SAFE (60/100)

PTR for

112.50.137.193.in-addr.arpa

Same first word

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A193.137.50.1122017-04-09 → 2026-10-17 · 2 obs

● 2017-04-09 03:40:24
● 2026-10-17 10:02:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	h.dns.pt, g.dns.pt, e.dns.pt, d.dns.pt...	15 records
up.pt	ns2.up.pt, ns02.fccn.pt, ns1.up.pt, ns3.up.pt...	10 records

✅ Authoritative Response

Server:193.137.55.31

NS records: ns2.up.pt, ns02.fccn.pt, ns1.up.pt, ns3.up.pt, ns4.up.pt

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1321ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.137.50.112`

📌 Glue Records Collected

Total: 25

In-bailiwick: 21 (a.dns.pt, b.dns.pt, c.dns.pt...)

Out-of-bailiwick: 4 (ns2.nic.fr, ns.dns.br, ns02.fccn.pt...)

Analysis

IP Addresses

web.fd.up.pt resolves to just one IP address, 193.137.50.112.

web.direito.up.pt is an example of another host name that shares IP numbers with web.fd.up.pt.

web.fd.up.pt - robtex.com

web.fd.up.pt

fd.up.pt