`sendonly.envirodata.cz`

CNAME	`envirodata.cz`
DNSSEC	🔒 Signed (DS record present)
A	38.242.149.84^{🇹🇷 CONTABO38.242.144.0/21 Route Registered for Cogent Communications Customer - Contabo GmbH}
		PTR	`sendonly.envirodata.cz`
NS	`ns.grdns.cz` ⭐
		A	2001:15e8:101:1::c268^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`ns.grdns.cz`
		A	81.2.194.104^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`ns.grdns.cz`
NS	`ns.grdns.it`
		A	2a00:6d41:2:1::7^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`ns.grdns.it`
		A	95.110.254.167^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`ns.grdns.it`
MX	`smtp.envirodata.cz` ⭐
		A	185.58.42.222^{🇨🇿 MASTER-AS185.58.40.0/22 CZ-MASTER-20140519}
			PTR	`185-58-42-222.static.masterinter.net`
TXT	`v=spf1 a mx ip4:185.58.42.222 ~all`
SOA	`ns.grdns.cz`admin@grdns.cz 2026-04-09 #1

`envirodata.cz`

	DNSSEC	🔒 Signed (DS record present)
	A	38.242.149.84^{🇹🇷 CONTABO38.242.144.0/21 Route Registered for Cogent Communications Customer - Contabo GmbH}
	NS	`ns.grdns.cz` ⭐
	NS	`ns.grdns.it`
	MX	`smtp.envirodata.cz` ⭐
	TXT	`v=spf1 a mx ip4:185.58.42.222 ~all`
	SOA	`ns.grdns.cz`admin@grdns.cz 2026-04-09 #1

PTR for

84.149.242.38.in-addr.arpa

Similar names

lyonsden.org

lyonsden.co.nz

sdlyonne.com

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
envirodata.cz	ns.grdns.cz, ns.grdns.it	2 records

✅ Authoritative Response

Server:81.2.194.104

NS records: ns.grdns.cz, ns.grdns.it

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1442ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`envirodata.cz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)

Analysis

IP Addresses

sendonly.envirodata.cz maps to IP address 38.242.149.84.

Other host names, for example, envirodata.cz share IP numbers with sendonly.envirodata.cz.

Name Servers

Two name servers ns.grdns.cz and ns.grdns.it are delegated to sendonly.envirodata.cz.

sendonly.envirodata.cz uses the same name server configuration as other domains, such as selmice.cz, obecbriza.info, cechradek.cz, yarda.eu and kasalovapila.eu.

sendonly.envirodata.cz shares some name servers with other domains, for example onpage.cz.

Host names with two IPs:

ns.grdns.cz points to 2001:15e8:101:1::c268 and 81.2.194.104.

ns.grdns.it points to 2a00:6d41:2:1::7 and 95.110.254.167.

Mail Servers

sendonly.envirodata.cz is handled by a single mail server, smtp.envirodata.cz.

The mail server setup for sendonly.envirodata.cz matches that of other domains, for instance envirodata.cz.

smtp.envirodata.cz points to one IP number: 185.58.42.222.

sendonly.envirodata.cz - robtex.com