`institutomarques.de`

DNSSEC	⚠️ Not signed
A	136.243.4.240^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
		PTR	`srv.institutomarques.com`
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`mail.institutomarques.de` ⭐
		A	136.243.4.240^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
			PTR	`srv.institutomarques.com`
TXT	`v=spf1 +a +mx +a:srv.institutomarques.com -all`
SOA	`ns1.first-ns.de`dominios@institutomarques.com 2026-04-14 #1

`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=1778758247

Subdomains

mail.institutomarques.de

Same first word

DNS History

10 records (5 active, 5 former)

●NSns1.first-ns.de2026-04-07 → 2026-05-14 · 3 obs

○ 2017-05-26 12:17:04
● 2026-04-07 00:50:54
● 2026-05-14 11:56:10

○NSns1.instradns.com2015-07-03 → 2017-05-26 · 4 obs

● 2015-07-03 09:23:12
● 2017-05-26 12:17:04
○ 2026-04-07 00:50:54
○ 2026-05-14 11:56:10

○NSns2.instradns.com2015-07-03 → 2017-05-26 · 4 obs

● 2015-07-03 09:23:12
● 2017-05-26 12:17:04
○ 2026-04-07 00:50:54
○ 2026-05-14 11:56:10

○NSns3.instradns.com2015-07-03 → 2017-05-26 · 4 obs

● 2015-07-03 09:23:12
● 2017-05-26 12:17:04
○ 2026-04-07 00:50:54
○ 2026-05-14 11:56:10

●NSrobotns2.second-ns.de2026-04-07 → 2026-05-14 · 3 obs

○ 2017-05-26 12:17:04
● 2026-04-07 00:50:54
● 2026-05-14 11:56:10

●NSrobotns3.second-ns.com2026-04-07 → 2026-05-14 · 3 obs

○ 2017-05-26 12:17:04
● 2026-04-07 00:50:54
● 2026-05-14 11:56:10

●MXmail.institutomarques.de2015-07-03 → 2026-05-14 · 2 obs

● 2015-07-03 09:23:12
● 2026-05-14 11:56:10

●A136.243.4.2402026-04-07 → 2026-05-14 · 3 obs

○ 2017-05-26 12:17:04
● 2026-04-07 00:50:54
● 2026-05-14 11:56:10

○A184.95.38.1962015-07-03 → 2016-01-20 · 4 obs

● 2015-07-03 09:23:12
● 2016-01-20 03:47:46
○ 2016-04-05 21:43:14
○ 2026-05-14 11:56:10

○A87.98.231.172016-04-05 → 2017-05-26 · 5 obs

○ 2016-01-20 03:47:46
● 2016-04-05 21:43:14
● 2017-05-26 12:17:04
○ 2026-04-07 00:50:54
○ 2026-05-14 11:56:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
institutomarques.de	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	-

✅ Authoritative Response

Server:213.239.242.238

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for institutomarques.de (unsigned zone)

⏱️ Timing

Total: 832ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.243.4.240`
NS	3	`robotns3.second-ns.com, ns1.first-ns.de...`
MX	1	`mail.institutomarques.de (pri: 10)`
TXT	1	`v=spf1 +a +mx +a:srv.institutomarques.co`
SOA	1	`ns1.first-ns.de dominios.institutomarque`

Analysis

Hierarchy

The parent of mail.institutomarques.de is institutomarques.de.

IP Addresses

institutomarques.de points to a single IP: 136.243.4.240.

Other host names, for instance ivfforyou.it, institutmarques.ie, mail.ivfforyou.it, biosperm.es and mail.institutomarques.nl share IP numbers with institutomarques.de.

Name Servers

institutomarques.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

institutomarques.de partially shares name servers with other domains; examples include nuerburgring-events.de, fysiobalance.de, jumpspot.de, inovox.de and hd-lc.de.

These name servers are commonly used with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

Host names with two IP numbers:

robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3.

ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238.

robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.

Mail Servers

institutomarques.de is handled by a single mail server, mail.institutomarques.de.

mail.institutomarques.de points to a single IP: 136.243.4.240.

institutomarques.de - robtex.com