`sql.mastiff.cz`

DNSSEC	⚠️ Not signed
A	3.73.27.108^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
		PTR	`ec2-3-73-27-108.eu-central-1.compute.amazonaws.com`
A	3.125.172.46^{🇩🇪 Amazon3.124.0.0/14 EC2 FRA prefix}

`mastiff.cz`

	DNSSEC	🔒 Signed (DS record present)
	A	3.73.27.108^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
	A	3.125.172.46^{🇩🇪 Amazon3.124.0.0/14 EC2 FRA prefix}
	NS	`ns.wedos.com` ⭐
	NS	`ns.wedos.cz`
	NS	`ns.wedos.eu`
	NS	`ns.wedos.net`
	SOA	`ns.wedos.com`wedos@wedos.com 2026-04-09 #2

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DNS History

3 records (2 active, 1 former)

●A3.125.172.462026-03-10 → 2026-05-13 · 3 obs

○ 2016-04-06 00:12:56
● 2026-03-10 07:03:20
● 2026-05-13 10:33:14

●A3.73.27.1082026-03-10 → 2026-05-13 · 3 obs

○ 2016-04-06 00:12:56
● 2026-03-10 07:03:20
● 2026-05-13 10:33:14

○A81.91.87.512015-05-21 → 2016-04-06 · 4 obs

● 2015-05-21 02:00:52
● 2016-04-06 00:12:56
○ 2026-03-10 07:03:20
○ 2026-05-13 10:33:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	8 records
mastiff.cz	ns.wedos.net, ns.wedos.com, ns.wedos.cz, ns.wedos.eu	4 records

✅ Authoritative Response

Server:45.138.106.1

NS records: ns.wedos.net, ns.wedos.com, ns.wedos.cz, ns.wedos.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1326ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.125.172.46, 3.73.27.108`

📌 Glue Records Collected

Total: 12

In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)

Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)

Analysis

IP Addresses

sql.mastiff.cz points to two IP numbers: 3.73.27.108 and 3.125.172.46.

Other host names, for instance stohl.cz, afdh.nl, nqinformatica.com, sivko.sk and escuelainfantilchuitos.com share IP numbers with sql.mastiff.cz.

sql.mastiff.cz - robtex.com

sql.mastiff.cz

mastiff.cz