`efs-mobile-extension.com`

DNSSEC	⚠️ Not signed
NS	`ns1.opst.de` ⭐
		A	2a00:1c3e:96::53^{🇩🇪 KNIPP-AMS-AS2a00:1c3e:96::/47}
			PTR	`ns1.variomedia.de`
		A	185.95.96.53^{🇩🇪 KNIPP-AMS-AS185.95.96.0/23}
			PTR	`ns1.variomedia.de`
NS	`ns2.opst.de`
		A	2a00:1c3e:98::53^{🇩🇪 KNIPPWORLDWIDE2a00:1c3e:98::/47}
			PTR	`ns2.variomedia.de`
		A	185.95.98.53^{🇩🇪 KNIPPWORLDWIDE185.95.98.0/23}
			PTR	`ns2.variomedia.de`
MX	`mail.3uu.de` ⭐
		A	87.79.30.25^{🇩🇪 NETCOLOGNE87.78.0.0/15 NetCologne PA space}
			PTR	`mail.3uu.de`
SOA	`ns1.opst.de`support@variomedia.de 2021-06-16 #62

`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=1778736446

Same first word

efs-mobile-extension.com

DNS History

4 records (3 active, 1 former)

●NSns1.opst.de2015-08-17 → 2026-05-14 · 2 obs

● 2015-08-17 11:43:54
● 2026-05-14 05:57:00

●NSns2.opst.de2015-08-17 → 2026-05-14 · 2 obs

● 2015-08-17 11:43:54
● 2026-05-14 05:57:00

●MXmail.3uu.de2015-12-05 → 2026-05-14 · 2 obs

● 2015-12-05 00:29:16
● 2026-05-14 05:57:00

○A195.66.99.2032015-08-17 → 2020-02-13 · 4 obs

● 2015-08-17 11:43:54
● 2020-02-13 02:35:36
○ 2026-03-24 11:49:50
○ 2026-05-14 05:57:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net...	-
efs-mobile-extension.com	ns2.opst.de, ns1.opst.de	-

✅ Authoritative Response

Server:185.95.96.53

NS records: ns2.opst.de, ns1.opst.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efs-mobile-extension.com (unsigned zone)

⏱️ Timing

Total: 744ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.opst.de, ns2.opst.de`
MX	1	`mail.3uu.de (pri: 10)`
SOA	1	`ns1.opst.de support.variomedia.de`

Analysis

Name Servers

efs-mobile-extension.com's delegation is to two name servers ns1.opst.de and ns2.opst.de.

efs-mobile-extension.com shares the same name server configuration as other domains, such as surveypark.co.uk, mercerhcsurveys.com, roche-zukunft-gestalten.de, social-insightconnect.de and medixcare.de.

efs-mobile-extension.com at least partially shares its name servers with other domains, for instance surveycenter.de, ellf.de, lehrcheck.de, zeitmessen.de and sparkassen-umfragen.de.

These name servers are often used together with the name servers ns.opst.de.

Host names with two IP numbers: ns1.opst.de points to 2a00:1c3e:96::53 and 185.95.96.53; ns2.opst.de points to 2a00:1c3e:98::53 and 185.95.98.53

Mail Servers

efs-mobile-extension.com is served by a single mail server, mail.3uu.de.

efs-mobile-extension.com uses the same mail server setup as other domains such as unipark-blog.de, dg2074.customervoice360.com, forschungswerk-umfrage.de, qe8368.customervoice360.com and itpanel.de.

efs-mobile-extension.com shares some mail servers with other domains, including austriapark.at, lighthousefeedback.com, 3uu.ch, schlegel-partner-survey.com and tivian-feedback.com.

These mail servers are often used alongside the mail servers mail2.3uu.de.

mail.3uu.de points to IP number 87.79.30.25.

efs-mobile-extension.com - robtex.com