mail.firstis.cz - robtex.com

mail.firstis.cz

DNSSEC⚠️ Not signed
A78.44.159.74🇨🇿 VODAFONE-CZ-AS78.44.0.0/16 Vodafone Czech Republic a.s.
PTRmail.firstis.cz

firstis.cz

DNSSEC🔒 Signed (DS record present)
A62.109.151.80🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
NSns1.ignum.com ⭐
NSns2.ignum.cz
MXfirstis-cz.mail.protection.outlook.com ⭐
TXTv=spf1 include:spf.protection.outlook.com mx -all
TXTgoogle-site-verification=sJLsBar1AXqKrdvXenwwXouFMJfyO9LQU3aC8nUFPow
SOAns1.ignum.comhostmaster@ignum.cz 2026-04-11 #1
WOT: SAFE (61/100)
WOT: SAFE (64/100)

PTR for

74.159.44.78.in-addr.arpa

Previously MX for

firstis.cz

Same first word

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DNS History

3 records (1 active, 2 former)

2008201020122014201620182020202220242026A78.44.159.7484.242.125.15584.244.115.26
●A78.44.159.742026-04-14 → 2026-04-14 · 2 obs
○ 2016-04-26 21:55:42
● 2026-04-14 08:48:40
○A84.242.125.1552015-06-20 → 2016-04-26 · 4 obs
○ 2007-08-18 05:31:40
● 2015-06-20 23:51:58
● 2016-04-26 21:55:42
○ 2026-04-14 08:48:40
○A84.244.115.262007-08-18 → 2007-08-18 · 3 obs
● 2007-08-18 05:31:40
○ 2015-06-20 23:51:58
○ 2026-04-14 08:48:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
firstis.czns1.ignum.com, ns2.ignum.cz2 records

✅ Authoritative Response

Server:217.31.48.201

NS records: ns1.ignum.com, ns2.ignum.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1366ms | Queries: -

📄 Records

TypeCountSample Data
A178.44.159.74

📌 Glue Records Collected

Total: 10

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

Out-of-bailiwick: 2 (ns2.ignum.cz, ns2.ignum.cz)

Analysis

IP Addresses

mail.firstis.cz points to IP number: 78.44.159.74.