`preventgroup.com`

DNSSEC	⚠️ Not signed
A	198.202.211.1^{🇺🇸 CLOUDFLARESPECTRUM198.202.211.0/24 Webflow}
NS	`hydrogen.ns.hetzner.com` ⭐
		A	2a01:4f8:0:1::add:1098^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`hydrogen.ns.hetzner.com`
		A	213.133.100.98^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`hydrogen.ns.hetzner.com`
NS	`helium.ns.hetzner.de`
		A	2001:67c:192c::add:5^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`helium.ns.hetzner.de`
		A	193.47.99.5^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`helium.ns.hetzner.de`
NS	`oxygen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:2992^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`oxygen.ns.hetzner.com`
		A	88.198.229.192^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`oxygen.ns.hetzner.com`
MX	`kb.preventgroup.com` ⭐
		A	92.36.203.93^{🇧🇦 BIHNET92.36.192.0/20 BiHNet subnet 5/11}
			PTR	`mx.preventgroup.com`
MX	`mx.preventgroup.com`⁽²⁰⁾
		A	92.36.203.93^{🇧🇦 BIHNET92.36.192.0/20 BiHNet subnet 5/11}
			PTR	`mx.preventgroup.com`
MX	`mail.preventgroup.com`⁽⁵⁰⁾
		A	92.36.203.82^{🇧🇦 BIHNET92.36.192.0/20 BiHNet subnet 5/11}
			PTR	`mail.preventgroup.com`
TXT	`MS=ms67526172`
TXT	`sophos-domain-verification=0aaf344522003606f99347a4cf618ed7fe3fbf49`
TXT	`v=spf1 mx ip4:92.36.203.64/27 -all`
SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-03-04 #0

`com`

	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=1774500502

Subdomains

ns1.preventgroup.com

si.preventgroup.com

ru.preventgroup.com

kb.preventgroup.com

mail2.preventgroup.com

mail.preventgroup.com

Same first word

preventgroup.ba

preventgroup.com

DNS History

21 records (7 active, 14 former)

○NSb.ns14.net2016-12-22 → 2017-12-19 · 5 obs

○ 2016-11-25 16:08:06
● 2016-12-22 19:11:04
● 2017-12-19 08:57:02
○ 2026-03-21 21:08:50
○ 2026-03-26 04:59:16

○NSc.ns14.net2016-12-22 → 2017-12-19 · 5 obs

○ 2016-11-25 16:08:06
● 2016-12-22 19:11:04
● 2017-12-19 08:57:02
○ 2026-03-21 21:08:50
○ 2026-03-26 04:59:16

○NSd.ns14.net2016-12-22 → 2017-12-19 · 5 obs

○ 2016-11-25 16:08:06
● 2016-12-22 19:11:04
● 2017-12-19 08:57:02
○ 2026-03-21 21:08:50
○ 2026-03-26 04:59:16

○NSdns1.wobline.de2015-08-24 → 2016-11-25 · 4 obs

● 2015-08-24 20:19:56
● 2016-11-25 16:08:06
○ 2016-12-22 19:11:04
○ 2026-03-26 04:59:16

○NSdns2.wobline.de2015-08-24 → 2016-11-25 · 4 obs

● 2015-08-24 20:19:56
● 2016-11-25 16:08:06
○ 2016-12-22 19:11:04
○ 2026-03-26 04:59:16

●NShelium.ns.hetzner.de2026-03-21 → 2026-03-26 · 3 obs

○ 2017-12-19 08:57:02
● 2026-03-21 21:08:50
● 2026-03-26 04:59:16

●NShydrogen.ns.hetzner.com2026-03-21 → 2026-03-26 · 3 obs

○ 2017-12-19 08:57:02
● 2026-03-21 21:08:50
● 2026-03-26 04:59:16

●NSoxygen.ns.hetzner.com2026-03-21 → 2026-03-26 · 3 obs

○ 2017-12-19 08:57:02
● 2026-03-21 21:08:50
● 2026-03-26 04:59:16

○NSwob-srv62.preventgroup.intern2016-12-22 → 2017-12-19 · 5 obs

○ 2016-11-25 16:08:06
● 2016-12-22 19:11:04
● 2017-12-19 08:57:02
○ 2026-03-21 21:08:50
○ 2026-03-26 04:59:16

○MXfallback-mx.wobline.de2015-08-24 → 2017-12-19 · 4 obs

● 2015-08-24 20:19:56
● 2017-12-19 08:57:02
○ 2026-03-21 21:08:50
○ 2026-03-26 04:59:16

○MXintern.preventgroup.com2015-08-24 → 2016-11-25 · 4 obs

● 2015-08-24 20:19:56
● 2016-11-25 16:08:06
○ 2016-12-22 19:11:04
○ 2026-03-26 04:59:16

●MXkb.preventgroup.com2016-12-22 → 2026-03-26 · 3 obs

○ 2016-11-25 16:08:06
● 2016-12-22 19:11:04
● 2026-03-26 04:59:16

●MXmail.preventgroup.com2026-03-21 → 2026-03-26 · 3 obs

○ 2017-12-19 08:57:02
● 2026-03-21 21:08:50
● 2026-03-26 04:59:16

○MXmail2.preventgroup.com2026-03-21 → 2026-03-26 · 2 obs

○ 2026-03-21 21:08:50
○ 2026-03-26 04:59:16

●MXmx.preventgroup.com2026-03-21 → 2026-03-26 · 3 obs

○ 2017-12-19 08:57:02
● 2026-03-21 21:08:50
● 2026-03-26 04:59:16

○MXpreventgroup-com.mail.protection.outlook.com2015-08-24 → 2017-12-19 · 4 obs

● 2015-08-24 20:19:56
● 2017-12-19 08:57:02
○ 2026-03-21 21:08:50
○ 2026-03-26 04:59:16

○A145.253.89.1992016-06-07 → 2016-11-25 · 5 obs

○ 2016-05-30 18:52:08
● 2016-06-07 01:13:22
● 2016-11-25 16:08:06
○ 2016-12-22 19:11:04
○ 2026-03-26 04:59:16

●A198.202.211.12026-03-21 → 2026-03-26 · 3 obs

○ 2016-12-22 19:11:04
● 2026-03-21 21:08:50
● 2026-03-26 04:59:16

○A75.2.70.752026-03-21 → 2026-03-26 · 2 obs

○ 2026-03-21 21:08:50
○ 2026-03-26 04:59:16

○A80.154.24.1802015-08-24 → 2016-05-30 · 4 obs

● 2015-08-24 20:19:56
● 2016-05-30 18:52:08
○ 2016-06-07 01:13:22
○ 2026-03-26 04:59:16

○A99.83.190.1022026-03-21 → 2026-03-26 · 2 obs

○ 2026-03-21 21:08:50
○ 2026-03-26 04:59:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
preventgroup.com	helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com	2 records

✅ Authoritative Response

Server:213.133.100.98

NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for preventgroup.com (unsigned zone)

⏱️ Timing

Total: 775ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.202.211.1`
NS	3	`oxygen.ns.hetzner.com, helium.ns.hetzner.de...`
MX	3	`mail.preventgroup.com (pri: 50), kb.preventgroup.com (pri: 10)...`
TXT	3	`v=spf1 mx ip4:92.36.203.64/27 -all, MS=ms67526172...`
SOA	1	`hydrogen.ns.hetzner.com dns.hetzner.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com)

Analysis

Hierarchy

The parent of ns1.preventgroup.com, si.preventgroup.com, ru.preventgroup.com, kb.preventgroup.com, mail2.preventgroup.com and a few other host names is preventgroup.com.

IP Addresses

preventgroup.com resolves to a single IP: 198.202.211.1.

Other host names, for instance ascor.org, dousa.de, auslanderhealth.com, bpeace.org and engerdal-elektro.no share IP numbers with preventgroup.com.

Name Servers

preventgroup.com delegates to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

preventgroup.com shares some name servers with other domains, for example lnxserver.com, djs.center, hotelsearchengines.net, splond.net and cycot.com.

These name servers are often used together with ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com: 2a01:4f8:0:1::add:1098 and 213.133.100.98

oxygen.ns.hetzner.com: 2a01:4f8:0:1::add:2992 and 88.198.229.192

helium.ns.hetzner.de: 2001:67c:192c::add:5 and 193.47.99.5

Mail Servers

preventgroup.com is handled by three mail servers: kb.preventgroup.com, mail.preventgroup.com and mx.preventgroup.com.

preventgroup.com shares at least some mail servers with other domains, for example eybl-international.com.

Host names with a single IP:

kb.preventgroup.com points to 92.36.203.93.

mail.preventgroup.com points to 92.36.203.82.

mx.preventgroup.com points to 92.36.203.93.

Host names that point to 92.36.203.93: kb.preventgroup.com and mx.preventgroup.com.

preventgroup.com - robtex.com