`masterinter.net`

DNSSEC	🔒 Signed (DS record present)
A	2a01:430:200:18::2^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
		PTR	`www.master.cz`
A	81.31.45.146^{🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1}
NS	`ns1.master.cz` ⭐
		A	2a01:430:100:16::2^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`ns1.master.cz`
		A	81.31.33.23^{🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1}
			PTR	`ns1.master.cz`
NS	`ns2.master.cz`
		A	2a01:430:200:b::2^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`ns2.master.cz`
		A	81.31.33.6^{🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1}
			PTR	`ns2.master.cz`
NS	`ns3.master.cz`
		A	2a00:ca8:8000::c0de^{🇨🇿 PODA-AS2a00:ca8::/32 PODA a.s.}
			PTR	`ns3.master.cz`
		A	82.209.3.134^{🇨🇿 PODA-AS82.209.0.0/18 PODA-NET}
			PTR	`ns3.master.cz`
MX	`mail.master.cz` ⭐
		A	2a01:430:100:5c::2^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`mail.master.cz`
		A	81.31.43.64^{🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1}
			PTR	`mail.master.cz`
MX	`ns3.master.cz`⁽³⁰⁾
		A	2a00:ca8:8000::c0de^{🇨🇿 PODA-AS2a00:ca8::/32 PODA a.s.}
			PTR	`ns3.master.cz`
		A	82.209.3.134^{🇨🇿 PODA-AS82.209.0.0/18 PODA-NET}
			PTR	`ns3.master.cz`
TXT	`v=spf1 mx a:d24.westmaster.com a:d78.westmaster.com a:icinga2.masterinter.net...`
TXT	`2834cec0477b2b273c624eb0f2a8ed187aa573d4c1104c893d9c9aa91e756a9`
TXT	`4babeac107358c0da429580c19cce874d2c1195952b1a3762dd3ed2531ef7a0`
TXT	`830087f85431a030eaea7aafb698de5494bf52db15b5a6b3339b9fcb04118ff8`
TXT	`f1fba47629f5d19b4b1a6ebcc22a3cc9`
SOA	`ns1.master.cz`noc@master.cz 2026-04-04 #63

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291465

WOT: SAFE (50/100)
📈 Tranco rank: #224,266

Subdomains

d9856-5.masterinter.net

d8033.masterinter.net

d723-bulk6.masterinter.net

89-185-247-178.masterinter.net

znojmo-swc1.masterinter.net

sumperk.masterinter.net

d4562-vm1.masterinter.net

d1340-168.masterinter.net

d302-1.masterinter.net

d1264.masterinter.net

d1561-2.masterinter.net

d4677-3247.masterinter.net

d4712.masterinter.net

d4562-vm6.masterinter.net

d132.masterinter.net

webhosting-3.masterinter.net

d1340-155.masterinter.net

d9725.masterinter.net

brn-out-r2-1-7-2.masterinter.net

d51-101-4.masterinter.net

d8029-101.masterinter.net

d1264-1.masterinter.net

cloud-1900.masterinter.net

d1500-128.masterinter.net

veseli-swc1.masterinter.net

d4810.masterinter.net

d4689-5081.masterinter.net

d27-1106.masterinter.net

d887.masterinter.net

d1561-1.masterinter.net

d5303-2.masterinter.net

d4564.masterinter.net

veseli.masterinter.net

d4800.masterinter.net

cloud-481.masterinter.net

d4117-1806.masterinter.net

d1000.masterinter.net

d8106.masterinter.net

d116.masterinter.net

d9738-101.masterinter.net

77-93-194-81.masterinter.net

d476.masterinter.net

cloud-1489.masterinter.net

cloud-486.masterinter.net

cloud-500.masterinter.net

d418-101.masterinter.net

d613.masterinter.net

unl-ujep-ups.masterinter.net

d1646-103.masterinter.net

d221-1.masterinter.net

d125.masterinter.net

hostim.masterinter.net

d4675.masterinter.net

nlnog-ring.masterinter.net

d4562-vm11.masterinter.net

89-185-247-179.masterinter.net

cloud-2192.masterinter.net

d4539.masterinter.net

d723-bulk3.masterinter.net

cloud-2116.masterinter.net

d9856-3.masterinter.net

ivancice-swc1.masterinter.net

d4169.masterinter.net

d9801.masterinter.net

d221.masterinter.net

is-mail.masterinter.net

89-185-247-182.masterinter.net

d4815.masterinter.net

d723-bulk8.masterinter.net

brani-vip.masterinter.net

webhosting.masterinter.net

d51-101-1.masterinter.net

cloud-778mail.masterinter.net

d1009.masterinter.net

cloud-444.masterinter.net

cloud-108.masterinter.net

d723-bulk4.masterinter.net

d5303.masterinter.net

jihlava-optokon-swc1.masterinter.net

brno-wifi-telehouse.masterinter.net

d9900.masterinter.net

d961-101.masterinter.net

d9742.masterinter.net

d4562-vm3.masterinter.net

d717.masterinter.net

cloud-1922.masterinter.net

d723.masterinter.net

d9856-4.masterinter.net

d723-bulk5.masterinter.net

cloud-1324-2.masterinter.net

brno-cejl-vlt.masterinter.net

cloud-628.masterinter.net

d83.masterinter.net

d4674-3232.masterinter.net

d1298.masterinter.net

v6-annie-controller-vip.masterinter.net

cloud-1712.masterinter.net

cloud-695.masterinter.net

d2002-562.masterinter.net

d2004-581.masterinter.net

Same first word

masterinter.net

masterinter.com

Similar names

DNS History

8 records (7 active, 1 former)

●NSns1.master.cz2015-08-28 → 2026-03-12 · 2 obs

● 2015-08-28 09:27:42
● 2026-03-12 00:53:14

●NSns2.master.cz2015-08-28 → 2026-03-12 · 2 obs

● 2015-08-28 09:27:42
● 2026-03-12 00:53:14

●NSns3.master.cz2026-02-14 → 2026-03-12 · 3 obs

○ 2015-08-28 09:27:42
● 2026-02-14 17:55:44
● 2026-03-12 00:53:14

●MXmail.master.cz2015-08-28 → 2026-03-12 · 2 obs

● 2015-08-28 09:27:42
● 2026-03-12 00:53:14

●MXns3.master.cz2015-08-28 → 2026-03-12 · 2 obs

● 2015-08-28 09:27:42
● 2026-03-12 00:53:14

●A2a01:430:200:18::22026-02-14 → 2026-03-12 · 3 obs

○ 2020-05-08 19:42:58
● 2026-02-14 17:55:44
● 2026-03-12 00:53:14

○A81.31.33.202015-08-28 → 2020-05-08 · 4 obs

● 2015-08-28 09:27:42
● 2020-05-08 19:42:58
○ 2026-02-14 17:55:44
○ 2026-03-12 00:53:14

●A81.31.45.1462026-02-14 → 2026-03-12 · 3 obs

○ 2020-05-08 19:42:58
● 2026-02-14 17:55:44
● 2026-03-12 00:53:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	d.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...	-
masterinter.net	ns1.master.cz, ns2.master.cz, ns3.master.cz	-

✅ Authoritative Response

Server: 81.31.33.23

NS records: ns1.master.cz, ns2.master.cz, ns3.master.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1229ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.31.45.146`
AAAA	1	`2a01:430:200:18::2`
NS	3	`ns2.master.cz, ns3.master.cz...`
MX	2	`mail.master.cz (pri: 10), ns3.master.cz (pri: 30)`
TXT	5	`4babeac107358c0da429580c19cce874d2c11959, 830087f85431a030eaea7aafb698de5494bf52db...`
SOA	1	`ns1.master.cz noc.master.cz`

Analysis

Hierarchy

masterinter.net is the parent of d9856-5.masterinter.net, d8033.masterinter.net, d723-bulk6.masterinter.net, 89-185-247-178.masterinter.net, znojmo-swc1.masterinter.net and hundreds of other host names.

IP Addresses

masterinter.net resolves to two IPs: 2a01:430:200:18::2 and 81.31.45.146.

other host names for instance servernow.sk, www.cbix.cz, gigahousing.net, masterdc.eu and masterdisk.cz share IP numbers with masterinter.net.

Name Servers

masterinter.net is delegated to three name servers: ns1.master.cz, ns2.master.cz and ns3.master.cz.

masterinter.net at least partially shares name servers with other domains, for instance 6.8.2.0.0.3.4.0.1.0.a.2.ip6.arpa, 226.167.83.in-addr.arpa, 240.167.83.in-addr.arpa, 194.93.77.in-addr.arpa and 135.118.85.in-addr.arpa.

These name servers are often used with ns1.westmaster.com and ns2.westmaster.com.

Host names with two IP numbers:

Host ns1.master.cz points to 2a01:430:100:16::2 and 81.31.33.23.

Host ns2.master.cz points to 2a01:430:200:b::2 and 81.31.33.6.

Host ns3.master.cz points to 2a00:ca8:8000::c0de and 82.209.3.134.

Mail Servers

masterinter.net is handled by two mail servers: mail.master.cz and ns3.master.cz.

masterinter.net shares the same mail server setup as other domains, for instance mastercloud.pl, westmaster.sg, westmaster.com, bartruj.cz and rackspace.cz.

masterinter.net shares mail servers with other domains at least partially, including palackodanska.cz, easyhairstyler.com, rexta.cz, iris-egen.cz and evoservis.sk.

these mail servers are often used with d723.masterinter.net and webhosting.masterinter.net.

Host names with two IP numbers: The host name mail.master.cz points to 2a01:430:100:5c::2 and 81.31.43.64.

masterinter.net - robtex.com

masterinter.net

net

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`masterinter.net`

`net`