`acara-telecom.de`

DNSSEC	⚠️ Not signed
A	81.209.151.19^{🇩🇪 UUU-TELECOM-AS81.209.151.0/24}
NS	`ns1.3u.net` ⭐
		A	2a05:8e40:0:2::3:42^{🇩🇪 UUU-TELECOM-AS2a05:8e40::/29 3U Telecom}
		A	81.209.151.254^{🇩🇪 UUU-TELECOM-AS81.209.151.0/24}
NS	`ns2.3u.net`
		A	2a05:8e40:0:2::3:52^{🇩🇪 UUU-TELECOM-AS2a05:8e40::/29 3U Telecom}
		A	83.125.107.34^{🇩🇪 UUU-TELECOM-AS83.125.106.0/23 3U}
			PTR	`ns2.3u.net`
MX	`smtp.3u.net` ⭐
		A	81.209.151.4^{🇩🇪 UUU-TELECOM-AS81.209.151.0/24}
			PTR	`smtp.3u.net`
SOA	`ns1.3u.net`ops@3u.net 2015-04-27 #2

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1778399601

Same first word

acara-telecom.de

DNS History

6 records (4 active, 2 former)

○NSns-cust1.de.lambdanet.net2015-04-03 → 2015-04-03 · 3 obs

● 2015-04-03 19:02:26
○ 2015-10-17 05:00:56
○ 2026-05-10 08:07:34

●NSns1.3u.net2015-04-03 → 2026-05-10 · 2 obs

● 2015-04-03 19:02:26
● 2026-05-10 08:07:34

●NSns2.3u.net2015-10-17 → 2026-05-10 · 3 obs

○ 2015-04-03 19:02:26
● 2015-10-17 05:00:56
● 2026-05-10 08:07:34

●MXsmtp.3u.net2015-04-03 → 2026-05-10 · 2 obs

● 2015-04-03 19:02:26
● 2026-05-10 08:07:34

●A81.209.151.192015-10-17 → 2026-05-10 · 3 obs

○ 2015-04-03 19:02:26
● 2015-10-17 05:00:56
● 2026-05-10 08:07:34

○A81.209.159.142015-04-03 → 2015-04-03 · 3 obs

● 2015-04-03 19:02:26
○ 2015-10-17 05:00:56
○ 2026-05-10 08:07:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
acara-telecom.de	ns2.3u.net, ns1.3u.net	-

✅ Authoritative Response

Server:81.209.151.254

NS records: ns2.3u.net, ns1.3u.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for acara-telecom.de (unsigned zone)

⏱️ Timing

Total: 2034ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.209.151.19`
NS	2	`ns1.3u.net, ns2.3u.net`
MX	1	`smtp.3u.net (pri: 100)`
SOA	1	`ns1.3u.net ops.3u.net`

Analysis

IP Addresses

acara-telecom.de resolves to a single IP address: 81.209.151.19.

Other host names including immowerker.com, 3umobile.de, immowerker.de, 01086.com and exacor.de share IP numbers with acara-telecom.de.

Name Servers

acara-telecom.de's delegation uses two name servers, ns1.3u.net and ns2.3u.net.

acara-telecom.de shares the same name server setup as other domains, for example selfio.de, 3u-energy-pe.de, immowerker.com, heizen-lueften.de and 3uenergy.net.

Host names with two IPs:

ns1.3u.net points to: 2a05:8e40:0:2::3:42 and 81.209.151.254

ns2.3u.net points to: 2a05:8e40:0:2::3:52 and 83.125.107.34

Mail Servers

acara-telecom.de is handled by a single mail server, smtp.3u.net.

acara-telecom.de shares its mail server setup with other domains, including 3umobile.de, selfio.tv, 3u-energy.de, fussbodenheizung-online.de and 3usolarkraftwerk.de.

smtp.3u.net points to a single IP: 81.209.151.4.

acara-telecom.de - robtex.com

acara-telecom.de

de