`mailserver.ff.up.pt`

DNSSEC	⚠️ Not signed
A	193.136.36.225^{🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET}
		PTR	`mailserver.ff.up.pt`

`ff.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
	MX	`mx01.up.pt` ⭐
	MX	`mx02.up.pt` ⭐
	MX	`mx03.up.pt` ⭐
	MX	`mx04.up.pt` ⭐
	MX	`mx05.up.pt` ⭐
	MX	`mx06.up.pt` ⭐
	TXT	`v=spf1 mx include:spf4.up.pt include:spf6.up.pt include:spf.protection.outloo...`
	TXT	`google-site-verification=DWU9-dfA8DrxKWRT7aUlGSJJHD9Uwe6zPxiDlT7VAWU`
	TXT	`MS=F6B59710C48E3C59806C4ACE1E22F942FE08C3FC`
	TXT	`google-site-verification=Y1c_qB4aQrVyfqwA-TQ7E0ZxX2RHsyMYxINIMJZZg6Y`
	SOA	`ns1.up.pt`it@up.pt serial=1784180873

WOT: UNKNOWN (61/100)
WOT: SAFE (71/100)

PTR for

225.36.136.193.in-addr.arpa

Same first word

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DNS History

2 records (1 active, 1 former)

○A193.136.26.1572018-10-12 → 2018-10-12 · 3 obs

● 2018-10-12 16:48:54
○ 2026-03-27 04:13:00
○ 2026-07-16 13:04:06

●A193.136.36.2252026-03-27 → 2026-07-16 · 3 obs

○ 2018-10-12 16:48:54
● 2026-03-27 04:13:00
● 2026-07-16 13:04:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	g.dns.pt, b.dns.pt, a.dns.pt, c.dns.pt...	-
up.pt	ns02.fccn.pt, ns4.up.pt, ns1.up.pt, ns2.up.pt...	10 records

✅ Authoritative Response

Server:193.137.55.32

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1510ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.136.36.225`

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (ns1.up.pt, ns2.up.pt, ns3.up.pt...)

Out-of-bailiwick: 2 (ns02.fccn.pt, ns02.fccn.pt)

Analysis

IP Addresses

mailserver.ff.up.pt points to a single IP number: 193.136.36.225.

mailserver.ff.up.pt - dns.ninja