`smtp.blu.it`

	DNSSEC	⚠️ Not signed
	A	213.209.1.148^{🇮🇹 MATRIX-AS213.209.1.0/24}

`blu.it`

	DNSSEC	⚠️ Not signed
	A	213.209.17.209^{🇮🇹 MATRIX-AS213.209.16.0/23}
	NS	`ns1.italiaonline.it` ⭐
	NS	`ns2.iol.it`
	MX	`smtp-in.blu.it` ⭐
	TXT	`v=spf1 ip4:213.209.8.0/21 ip4:213.209.17.209/32 ip4:213.209.17.246/32 ip4:141...`
	SOA	`ns1.italiaonline.it`gestione@domini.italiaonline.it 2025-12-05 #1

📈 Tranco rank: #655,678

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DNS History

2 records (1 active, 1 former)

○A212.48.24.442015-07-26 → 2016-05-18 · 4 obs

● 2015-07-26 13:47:04
● 2016-05-18 10:43:06
○ 2021-06-15 23:44:18
○ 2026-04-24 22:55:18

●A213.209.1.1482021-06-15 → 2026-04-24 · 3 obs

○ 2016-05-18 10:43:06
● 2021-06-15 23:44:18
● 2026-04-24 22:55:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
it	r.dns.it, dns.nic.it, a.dns.it, nameserver.cnr.it...	12 records
blu.it	ns2.iol.it, ns1.italiaonline.it	2 records

✅ Authoritative Response

Server:213.209.27.210

NS records: ns2.iol.it, ns1.italiaonline.it

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blu.it (unsigned zone)

⏱️ Timing

Total: 550ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.209.1.148`

📌 Glue Records Collected

Total: 14

In-bailiwick: 12 (nameserver.cnr.it, dns.nic.it, v.dns.it...)

Out-of-bailiwick: 2 (ns2.iol.it, ns1.italiaonline.it)

Analysis

IP Addresses

smtp.blu.it resolves to a single IP: 213.209.1.148.

smtp.blu.it - robtex.com

smtp.blu.it

blu.it