`subert.net`

DNSSEC	⚠️ Not signed
A	62.109.150.85^{🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
		PTR	`dw238.webglobe.com`
NS	`ns1.webglobe.cz` ⭐ ⚠️ Not in parent delegation
		A	2a00:1e40:a:53::5^{🇸🇰 IGNUM-AS2a00:1e40:a::/48}
			PTR	`ns1-bra.core.webglobe.com`
		A	185.65.223.35^{🇸🇰 IGNUM-AS185.65.223.0/24}
			PTR	`ns1-bra.core.webglobe.com`
NS	`ns1.savana.cz` ⚠️ Not in zone NS records
		A	2a00:1e40:a:53::5^{🇸🇰 IGNUM-AS2a00:1e40:a::/48}
			PTR	`ns1-bra.core.webglobe.com`
		A	185.65.223.35^{🇸🇰 IGNUM-AS185.65.223.0/24}
			PTR	`ns1-bra.core.webglobe.com`
NS	`ns2.savana.cz` ⚠️ Not in zone NS records
		A	2001:1ab0:7e1e:2::5^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
		A	217.31.48.201^{🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
NS	`ns2.webglobe.cz` ⚠️ Not in parent delegation
		A	2001:1ab0:7e1e:2::5^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
		A	217.31.48.201^{🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
NS	`ns3.savana.cz` ⚠️ Not in zone NS records
		A	2a03:b0c0:1:d0::1090:2001^{🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean}
			PTR	`ns3-lon.core.webglobe.com`
		A	178.62.60.201^{🇬🇧 DIGITALOCEAN178.62.0.0/18 DigitalOcean}
			PTR	`ns3-lon.core.webglobe.com`
NS	`ns3.webglobe.com` ⚠️ Not in parent delegation
		A	2a03:b0c0:1:d0::1090:2001^{🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean}
			PTR	`ns3-lon.core.webglobe.com`
		A	178.62.60.201^{🇬🇧 DIGITALOCEAN178.62.0.0/18 DigitalOcean}
			PTR	`ns3-lon.core.webglobe.com`
MX	`email.webglobe.cz` ⭐
		A	2001:1ab0:7e1f:1::1:5^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`email.webglobe.cz`
		A	130.193.14.154^{🇨🇿 IGNUM-AS130.193.8.0/21 Webglobe s.r.o. H90}
			PTR	`email.webglobe.cz`
MX	`email2.webglobe.cz` ⭐
		A	130.193.14.154^{🇨🇿 IGNUM-AS130.193.8.0/21 Webglobe s.r.o. H90}
			PTR	`email.webglobe.cz`
MX	`email3.webglobe.cz` ⭐
		A	2001:880:0:15::2b1^{🇩🇪 ONE-NETWORK2001:880::/32}
			PTR	`email3.webglobe.cz`
		A	185.102.21.80^{🇨🇿 ONE-NETWORK185.102.21.0/24}
			PTR	`email3.webglobe.cz`
MX	`email4.webglobe.cz` ⭐
		A	185.102.21.80^{🇨🇿 ONE-NETWORK185.102.21.0/24}
			PTR	`email3.webglobe.cz`
TXT	`v=spf2.0/mfrom,pra +a +mx include:_spf2.webglobe.cz -all`
TXT	`v=spf1 a mx include:_spf.webglobe.cz -all`
SOA	`ns1.webglobe.cz`root@webglobe.cz 2025-05-31 #4

`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=1783466221

Same first word

subert.de

subert.net

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subert.sk

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subert.it

subert.fr

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strube.org

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DNS History

17 records (11 active, 6 former)

●NSns1.savana.cz2015-08-15 → 2026-07-07 · 2 obs

● 2015-08-15 06:22:34
● 2026-07-07 23:32:02

●NSns1.webglobe.cz2026-03-15 → 2026-07-07 · 3 obs

○ 2015-08-15 06:22:34
● 2026-03-15 18:30:24
● 2026-07-07 23:32:02

●NSns2.savana.cz2015-08-15 → 2026-07-07 · 2 obs

● 2015-08-15 06:22:34
● 2026-07-07 23:32:02

●NSns2.webglobe.cz2026-03-15 → 2026-07-07 · 3 obs

○ 2015-08-15 06:22:34
● 2026-03-15 18:30:24
● 2026-07-07 23:32:02

●NSns3.savana.cz2015-08-15 → 2026-07-07 · 2 obs

● 2015-08-15 06:22:34
● 2026-07-07 23:32:02

●NSns3.webglobe.com2026-03-15 → 2026-07-07 · 3 obs

○ 2015-08-15 06:22:34
● 2026-03-15 18:30:24
● 2026-07-07 23:32:02

●MXemail.webglobe.cz2026-03-15 → 2026-07-07 · 3 obs

○ 2018-08-10 06:48:32
● 2026-03-15 18:30:24
● 2026-07-07 23:32:02

●MXemail2.webglobe.cz2026-03-15 → 2026-07-07 · 3 obs

○ 2018-08-10 06:48:32
● 2026-03-15 18:30:24
● 2026-07-07 23:32:02

●MXemail3.webglobe.cz2026-03-15 → 2026-07-07 · 3 obs

○ 2018-08-10 06:48:32
● 2026-03-15 18:30:24
● 2026-07-07 23:32:02

●MXemail4.webglobe.cz2026-03-15 → 2026-07-07 · 3 obs

○ 2018-08-10 06:48:32
● 2026-03-15 18:30:24
● 2026-07-07 23:32:02

○MXmx1.savana.cz2015-08-15 → 2018-08-10 · 4 obs

● 2015-08-15 06:22:34
● 2018-08-10 06:48:32
○ 2026-03-15 18:30:24
○ 2026-07-07 23:32:02

○MXmx2.savana.cz2015-08-15 → 2018-08-10 · 4 obs

● 2015-08-15 06:22:34
● 2018-08-10 06:48:32
○ 2026-03-15 18:30:24
○ 2026-07-07 23:32:02

○A109.123.209.2112015-08-15 → 2017-01-10 · 4 obs

● 2015-08-15 06:22:34
● 2017-01-10 01:16:02
○ 2018-08-10 06:48:32
○ 2026-07-07 23:32:02

○A185.183.8.682018-08-10 → 2018-08-10 · 4 obs

○ 2017-01-10 01:16:02
● 2018-08-10 06:48:32
○ 2026-03-15 18:30:24
○ 2026-07-07 23:32:02

○A2001:1528:146:0:1:16:7b00:12015-08-15 → 2017-01-10 · 4 obs

● 2015-08-15 06:22:34
● 2017-01-10 01:16:02
○ 2018-08-10 06:48:32
○ 2026-07-07 23:32:02

○A2a00:1ed0:1:1800:7:16:7b00:12018-08-10 → 2018-08-10 · 4 obs

○ 2017-01-10 01:16:02
● 2018-08-10 06:48:32
○ 2026-03-15 18:30:24
○ 2026-07-07 23:32:02

●A62.109.150.852026-03-15 → 2026-07-07 · 3 obs

○ 2018-08-10 06:48:32
● 2026-03-15 18:30:24
● 2026-07-07 23:32:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
subert.net	ns1.savana.cz, ns2.savana.cz, ns3.savana.cz	-

✅ Authoritative Response

Server:178.62.60.201

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for subert.net (unsigned zone)

⏱️ Timing

Total: 1018ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.109.150.85`
NS	3	`ns2.webglobe.cz, ns1.webglobe.cz...`
MX	4	`email.webglobe.cz (pri: 10), email2.webglobe.cz (pri: 10)...`
TXT	2	`v=spf1 a mx include:_spf.webglobe.cz -al, v=spf2.0/mfrom,pra +a +mx include:_spf2.`
SOA	1	`ns1.webglobe.cz root.webglobe.cz`

Analysis

IP Addresses

subert.net resolves to one IP address: 62.109.150.85.

obechostice.cz, nakladne.cz, www.betosan.cz and two other host names share IP numbers with subert.net.

Name Servers

subert.net carries NS records listing 6 name servers — ns3.webglobe.com, ns1.savana.cz, ns2.savana.cz and 3 others.

At least some of subert.net's name servers are shared with other domains, for example jayphill.cz, apengroup.sk, carexweb.cz and two more.

These name servers tend to co-occur with ns3.savana.cz, ns1.webglobe.cz, ns2.webglobe.cz and 6 other name servers in the same DNS delegations.

Hostnames that resolve to two IP addresses:

The A records for ns3.webglobe.com return 178.62.60.201 and 2a03:b0c0:1:d0::1090:2001.

The A records for ns1.savana.cz return 185.65.223.35 and 2a00:1e40:a:53::5.

The A records for ns2.savana.cz return 217.31.48.201 and 2001:1ab0:7e1e:2::5.

The A records for ns3.savana.cz return 178.62.60.201 and 2a03:b0c0:1:d0::1090:2001.

The A records for ns1.webglobe.cz return 185.65.223.35 and 2a00:1e40:a:53::5.

The A records for ns2.webglobe.cz return 217.31.48.201 and 2001:1ab0:7e1e:2::5.

ns3.webglobe.com and ns3.savana.cz each have 2a03:b0c0:1:d0::1090:2001 IP addresses.

ns3.webglobe.com and ns3.savana.cz each have 178.62.60.201 IP addresses.

ns1.savana.cz and ns1.webglobe.cz each have 2a00:1e40:a:53::5 IP addresses.

ns1.savana.cz and ns1.webglobe.cz each have 185.65.223.35 IP addresses.

ns2.savana.cz and ns2.webglobe.cz each have 2001:1ab0:7e1e:2::5 IP addresses.

ns2.savana.cz and ns2.webglobe.cz each have 217.31.48.201 IP addresses.

Mail Servers

Mail for subert.net is handled by four mail servers: email2.webglobe.cz, email3.webglobe.cz, email4.webglobe.cz and email.webglobe.cz.

subert.net has at least partial mail server overlap with other domains such as niceprice.cz, dalea.cz, northhub.cz and two more.

Hostnames that resolve to two IP addresses:

The A records for email3.webglobe.cz return 185.102.21.80 and 2001:880:0:15::2b1.

The A records for email.webglobe.cz return 130.193.14.154 and 2001:1ab0:7e1f:1::1:5.

Hosts with just one IP address:

email2.webglobe.cz resolves to the IP address 130.193.14.154.

email4.webglobe.cz resolves to the IP address 185.102.21.80.

email3.webglobe.cz and email4.webglobe.cz each have 185.102.21.80 IP addresses.

email.webglobe.cz and email2.webglobe.cz each have 130.193.14.154 IP addresses.

subert.net - robtex.com

subert.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`subert.net`

`net`