inav.cz - dns.ninja

`inav.cz`

DNSSEC	🔒 Signed (DS record present)
A	2001:67c:e94:0:1:5bef:c826:1^{Blindspot2001:67c:e94::/48 THINLINE-BlindSpot}
		PTR	`mcintyre.thinline.cz`
A	91.239.200.38^{🇨🇿 Blindspot91.239.200.0/23 THINLINE-BlindSpot}
NS	`ns1.thinline.cz` ⭐
		A	2001:67c:e94:0:1:5bef:c8f3:1^{Blindspot2001:67c:e94::/48 THINLINE-BlindSpot}
			PTR	`ns1.thinline.cz`
		A	91.239.200.243^{🇨🇿 Blindspot91.239.200.0/23 THINLINE-BlindSpot}
			PTR	`ns1.thinline.cz`
NS	`ns2.thinline.cz`
		A	2001:4de8:fa22:0:1:5264:602:1^{🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s.}
			PTR	`ns2.thinline.cz`
		A	82.100.6.2^{🇨🇿 QUANTCOM-AS82.100.0.0/18 Dial Telecom, a.s.}
			PTR	`ns2.thinline.cz`
NS	`ns3.cesky-hosting.eu`
		A	2001:67c:e94:1:1:5bef:ca12:1^{Blindspot2001:67c:e94::/48 THINLINE-BlindSpot}
			PTR	`ns3.cesky-hosting.eu`
		A	91.239.202.18^{🇨🇿 Blindspot91.239.202.0/23 THINLINE-BlindSpot}
			PTR	`ns3.cesky-hosting.eu`
MX	`inav-cz.mail.eo.outlook.com` ⭐
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`google-site-verification=wm5674mbwJ7H-ujFih0OxmZwfxhYGapyi40Za9j-EKY`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.thinline.cz`hostmaster@inav.cz serial=1533053898

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1785205040

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DNS History

9 records (6 active, 3 former)

●NSns1.thinline.cz2015-05-19 → 2026-07-28 · 2 obs

● 2015-05-19 15:27:12
● 2026-07-28 03:19:28

●NSns2.thinline.cz2015-05-19 → 2026-07-28 · 2 obs

● 2015-05-19 15:27:12
● 2026-07-28 03:19:28

●NSns3.cesky-hosting.eu2015-05-19 → 2026-07-28 · 2 obs

● 2015-05-19 15:27:12
● 2026-07-28 03:19:28

●MXinav-cz.mail.eo.outlook.com2015-05-19 → 2026-07-28 · 2 obs

● 2015-05-19 15:27:12
● 2026-07-28 03:19:28

●A2001:67c:e94:0:1:5bef:c826:12026-03-01 → 2026-07-28 · 3 obs

○ 2021-04-03 02:25:50
● 2026-03-01 07:31:40
● 2026-07-28 03:19:28

○A2a00:1ed0:2:0:1:5bef:c826:12021-04-03 → 2021-04-03 · 4 obs

○ 2018-01-29 23:57:00
● 2021-04-03 02:25:50
○ 2026-03-01 07:31:40
○ 2026-07-28 03:19:28

○A2a00:1ed0:2:0:1:5bef:c878:12015-05-19 → 2018-01-29 · 4 obs

● 2015-05-19 15:27:12
● 2018-01-29 23:57:00
○ 2021-04-03 02:25:50
○ 2026-07-28 03:19:28

○A91.239.200.1202015-05-19 → 2018-01-29 · 4 obs

● 2015-05-19 15:27:12
● 2018-01-29 23:57:00
○ 2021-04-03 02:25:50
○ 2026-07-28 03:19:28

●A91.239.200.382021-04-03 → 2026-07-28 · 3 obs

○ 2018-01-29 23:57:00
● 2021-04-03 02:25:50
● 2026-07-28 03:19:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz	-
inav.cz	ns1.thinline.cz, ns2.thinline.cz, ns3.cesky-hosting.eu	4 records

✅ Authoritative Response

Server:91.239.202.18

NS records: ns1.thinline.cz, ns2.thinline.cz, ns3.cesky-hosting.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1311ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.239.200.38`
AAAA	1	`2001:67c:e94:0:1:5bef:c826:1`
NS	3	`ns3.cesky-hosting.eu, ns2.thinline.cz...`
MX	1	`inav-cz.mail.eo.outlook.com (pri: 1)`
TXT	2	`google-site-verification=wm5674mbwJ7H-uj, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.thinline.cz hostmaster.inav.cz`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.thinline.cz, ns1.thinline.cz, ns2.thinline.cz...)

Analysis

IP Addresses

inav.cz directs to two IP numbers, 91.239.200.38 and 2001:67c:e94:0:1:5bef:c826:1

Two other host names, along with stepanfiala.cz, robbid.com and fischer-ski.cz, also share IP numbers with inav.cz.

Name Servers

Three name servers are authoritative for inav.cz: ns1.thinline.cz, ns2.thinline.cz and ns3.cesky-hosting.eu.

inav.cz partially shares its NS delegation with several other domains, including flightcam.cz, pidishop.cz, najs.cz and two others.

ns1.thinline.cz resolves to 91.239.200.243 and 2001:67c:e94:0:1:5bef:c8f3:1. ns2.thinline.cz resolves to 82.100.6.2 and 2001:4de8:fa22:0:1:5264:602:1. ns3.cesky-hosting.eu resolves to 91.239.202.18 and 2001:67c:e94:1:1:5bef:ca12:1. All three hostnames point to two IP numbers each.

Mail Servers

The sole mail server for inav.cz is inav-cz.mail.eo.outlook.com.

With 8 IP addresses total, inav-cz.mail.eo.outlook.com resolves to 52.101.68.21, 52.101.73.6, 52.101.73.16 and 5 others.