`web-extensions.com`

DNSSEC	⚠️ Not signed
A	83.171.136.42^{🇩🇪 IT_IS_AG_RZ_Germany83.171.136.0/23}
NS	`ns1.itis.de` ⭐
		A	83.171.136.151^{🇩🇪 IT_IS_AG_RZ_Germany83.171.136.0/23}
			PTR	`ns1.itis.de`
NS	`ns2.itis.de`
		A	83.171.136.152^{🇩🇪 IT_IS_AG_RZ_Germany83.171.136.0/23}
			PTR	`ns2.itis.de`
NS	`ns3.itis.de`
		A	83.171.136.153^{🇩🇪 IT_IS_AG_RZ_Germany83.171.136.0/23}
			PTR	`ns3.itis.de`
SOA	`ns1.itis.de`administrator@itis.de 2017-01-25 #3

`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=1778386211

PTR for

29.136.171.83.in-addr.arpa

Subdomains

www.web-extensions.com

Same first word

web-extensions.com

Similar names

extension-webs.ddnss.org

DNS History

7 records (4 active, 3 former)

●NSns1.itis.de2007-11-20 → 2026-05-10 · 2 obs

● 2007-11-20 02:54:54
● 2026-05-10 04:34:36

●NSns2.itis.de2007-11-20 → 2026-05-10 · 2 obs

● 2007-11-20 02:54:54
● 2026-05-10 04:34:36

●NSns3.itis.de2007-11-20 → 2026-05-10 · 2 obs

● 2007-11-20 02:54:54
● 2026-05-10 04:34:36

○A62.159.212.1922007-11-20 → 2007-11-20 · 3 obs

● 2007-11-20 02:54:54
○ 2015-08-13 20:57:34
○ 2026-05-10 04:34:36

○A80.149.130.2002015-08-13 → 2015-12-28 · 5 obs

○ 2007-11-20 02:54:54
● 2015-08-13 20:57:34
● 2015-12-28 04:42:22
○ 2016-03-31 09:22:06
○ 2026-05-10 04:34:36

○A83.171.136.292016-03-31 → 2016-08-30 · 5 obs

○ 2015-12-28 04:42:22
● 2016-03-31 09:22:06
● 2016-08-30 11:02:30
○ 2017-03-31 23:13:00
○ 2026-05-10 04:34:36

●A83.171.136.422017-03-31 → 2026-05-10 · 3 obs

○ 2016-08-30 11:02:30
● 2017-03-31 23:13:00
● 2026-05-10 04:34:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net...	-
web-extensions.com	ns1.itis.de, ns2.itis.de, ns3.itis.de	-

✅ Authoritative Response

Server:83.171.136.152

NS records: ns1.itis.de, ns2.itis.de, ns3.itis.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for web-extensions.com (unsigned zone)

⏱️ Timing

Total: 1227ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.171.136.42`
NS	3	`ns2.itis.de, ns1.itis.de...`
SOA	1	`ns1.itis.de administrator.itis.de`

Analysis

Hierarchy

www.web-extensions.com has web-extensions.com as its parent.

IP Addresses

web-extensions.com maps to IP address 83.171.136.42.

Other host names, for instance go.activigence.net, www.mobiligence.com, www.enbex.de, go.activigence.com and itismobile.de share IP numbers with web-extensions.com.

Name Servers

web-extensions.com is delegated to name servers ns1.itis.de, ns2.itis.de and ns3.itis.de.

web-extensions.com at least partially shares name servers with other domains such as portal.itis.de, family-lorenz.de, schaufenster-unterfranken.de, handel-in-garmisch-partenkirchen.de and primatrix.de.

Host names with a single IP:

ns1.itis.de points to 83.171.136.151

ns2.itis.de points to 83.171.136.152

ns3.itis.de points to 83.171.136.153

web-extensions.com - robtex.com