`mail.dellinger.cz`

DNSSEC	⚠️ Not signed
A	185.66.36.222^{🇨🇿 GIGASERVER185.66.36.0/22 CZ-SEONET-20140805}
		PTR	`mail.gigaserver.cz`

`dellinger.cz`

	DNSSEC	🔒 Signed (DS record present)
	A	185.64.219.37^{🇨🇿 VSHOSTING185.64.216.0/22 V.}
	A	185.184.254.10^{🇪🇸 SHOPTET185.184.254.0/24}
	NS	`1.ns.gigaserver.cz` ⭐
	NS	`2.ns.gigaserver.cz`
	NS	`3.ns.gigaserver.cz`
	NS	`4.ns.gigaserver.cz`
	MX	`dellinger-cz.mail.protection.outlook.com` ⭐
	TXT	`klaviyo-site-verification=VjED4U`
	TXT	`google-site-verification=xJe9rAP8xYAhym3dLA0xyr1JBErTYQEE74Cie25gGVE`
	TXT	`v=spf1 a mx include:smtp-gw.gigaserver.cz include:sparkpostmail.com include:_...`
	TXT	`v=DKIM1; k=rsa; h=sha256; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC0diuxLOeJJ...`
	SOA	`1.ns.gigaserver.cz`dns@gigaserver.cz serial=1545516624

Previously MX for

dellinger.cz

Same first word

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mail.edu.tt

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DNS History

2 records (1 active, 1 former)

●A185.66.36.2222026-05-11 → 2026-05-11 · 3 obs

○ 2018-05-15 23:11:58
● 2026-05-11 04:58:50
● 2026-05-11 04:58:52

○A85.118.128.32018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 23:11:58
○ 2026-05-11 04:58:50
○ 2026-05-11 04:58:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz	-
dellinger.cz	1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz	4 records

✅ Authoritative Response

Server:185.66.36.92

NS records: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 944ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.66.36.222`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz...)

Analysis

IP Addresses

mail.dellinger.cz points to IP number 185.66.36.222.

For instance, other host names mail.jobit.in, mail.komercni-spisovna.cz, mail.phototours.info, mail.malymuzikant.cz and mail.komplexniservis.cz share IP numbers with mail.dellinger.cz.

mail.dellinger.cz - robtex.com