`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	`f1fba47629f5d19b4b1a6ebcc22a3cc9`
TXT	`4babeac107358c0da429580c19cce874d2c1195952b1a3762dd3ed2531ef7a0`
TXT	`c5dadd9ec783312c3834f31f77885dcdcda1f1dc68fd0a9a3c47c80c8e06e32`
TXT	`830087f85431a030eaea7aafb698de5494bf52db15b5a6b3339b9fcb04118ff8`
TXT	`v=spf1 mx a:d24.westmaster.com a:d78.westmaster.com a:icinga2.masterinter.net...`
SOA	`ns1.master.cz`noc@master.cz 2026-11-16 #95

`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=1786445044

WOT: SAFE (50/100)
📈 Tranco rank: #155,522

Subdomains

d9856-5.masterinter.net

d8033.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

cloud-1430.masterinter.net

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

d51-101-4.masterinter.net

d8029-101.masterinter.net

d1264-1.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

cloud-1431.masterinter.net

d1000.masterinter.net

d8106.masterinter.net

d116.masterinter.net

d9738-101.masterinter.net

77-93-194-81.masterinter.net

vps-3340.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

d1333.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-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

d83.masterinter.net

d4674-3232.masterinter.net

d1298.masterinter.net

v6-annie-controller-vip.masterinter.net

cloud-1712.masterinter.net

d2002-562.masterinter.net

d2004-581.masterinter.net

mobile-dev.masterinter.net

d72.masterinter.net

Same first word

masterinter.net

masterinter.com

Similar names

DNS History

8 records (7 active, 1 former)

●NSns1.master.cz2015-08-28 → 2026-08-11 · 2 obs

● 2015-08-28 09:27:42
● 2026-08-11 11:01:06

●NSns2.master.cz2015-08-28 → 2026-08-11 · 2 obs

● 2015-08-28 09:27:42
● 2026-08-11 11:01:06

●NSns3.master.cz2026-02-14 → 2026-08-11 · 3 obs

○ 2015-08-28 09:27:42
● 2026-02-14 17:55:44
● 2026-08-11 11:01:06

●MXmail.master.cz2015-08-28 → 2026-08-11 · 11 obs

● 2015-08-28 09:27:42
● 2026-06-05 15:34:22
○ 2026-06-05 17:00:08
○ 2026-06-05 17:32:42
● 2026-06-05 18:04:04
● 2026-06-06 03:03:34
○ 2026-06-06 04:26:50
● 2026-06-06 05:17:34
○ 2026-07-15 19:19:56
● 2026-07-15 20:13:16
● 2026-08-11 11:01:06

●MXns3.master.cz2015-08-28 → 2026-08-11 · 11 obs

●A2a01:430:200:18::22026-02-14 → 2026-08-11 · 12 obs

○ 2020-05-08 19:42:58
● 2026-02-14 17:55:44
● 2026-06-05 15:34:22
○ 2026-06-05 17:00:08
○ 2026-06-05 17:32:42
● 2026-06-05 18:04:04
● 2026-06-06 03:03:34
○ 2026-06-06 04:26:50
● 2026-06-06 05:17:34
○ 2026-07-15 19:19:56
● 2026-07-15 20:13:16
● 2026-08-11 11:01:06

○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
○ 2026-08-11 11:01:06

●A81.31.45.1462026-02-14 → 2026-08-11 · 12 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	i.gtld-servers.net, k.gtld-servers.net, a.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: 1917ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.31.45.146`
AAAA	1	`2a01:430:200:18::2`
NS	3	`ns2.master.cz, ns1.master.cz...`
MX	2	`mail.master.cz (pri: 10), ns3.master.cz (pri: 30)`
TXT	5	`c5dadd9ec783312c3834f31f77885dcdcda1f1dc, 830087f85431a030eaea7aafb698de5494bf52db...`
SOA	1	`ns1.master.cz noc.master.cz`

Analysis

Hierarchy

masterinter.net is a parent domain of d9856-5.masterinter.net, d8033.masterinter.net, 89-185-247-178.masterinter.net, znojmo-swc1.masterinter.net, sumperk.masterinter.net and several hundred other host names.

IP Addresses

masterinter.net directs to two IP numbers, 81.31.45.146 and 2a01:430:200:18::2

masterdc.co.uk, servernow.sk, www.cbix.cz plus two other host names have IP numbers in common with masterinter.net.

Name Servers

masterinter.net carries NS records delegating to ns1.master.cz, ns2.master.cz and ns3.master.cz.

masterinter.net shares at least some of its name servers with other domains, including 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 and two others.

These name servers are frequently paired with the name servers ns1.westmaster.com and ns2.westmaster.com.

ns1.master.cz, ns2.master.cz and ns3.master.cz are three hostnames that each resolve to a pair of IP addresses: ns1.master.cz to 81.31.33.23 and 2a01:430:100:16::2, ns2.master.cz to 81.31.33.6 and 2a01:430:200:b::2, and ns3.master.cz to 82.209.3.134 and 2a00:ca8:8000::c0de.

Mail Servers

masterinter.net uses two mail servers, mail.master.cz and ns3.master.cz.

The mail server setup of masterinter.net matches that of other domains such as mastercloud.pl, westmaster.sg, westmaster.com and two others.

At least some of the mail servers used by masterinter.net are shared with other domains: palackodanska.cz, easyhairstyler.com, rexta.cz and two others among them.

These mail servers frequently appear alongside the mail servers d723.masterinter.net and webhosting.masterinter.net.

Host names pointing to two IP addresses:

mail.master.cz resolves to two addresses: 81.31.43.64 and 2a01:430:100:5c::2.

masterinter.net - robtex.com

masterinter.net

net