logarithmo.de - dns.ninja

`logarithmo.de`

DNSSEC	⚠️ Not signed
A	116.203.121.3^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
		PTR	`static.3.121.203.116.clients.your-server.de`
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	`logarithmo-de.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-08-10 #33

`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=1786370709

MX for

logarithmo.com

Same first word

logarithmo.de

logarithmo.com

Similar names

algoorithm.com

algorithom.com

algorithmo.com

DNS History

10 records (5 active, 5 former)

●NSns1.first-ns.de2026-04-17 → 2026-08-10 · 3 obs

○ 2018-07-28 02:16:52
● 2026-04-17 02:51:52
● 2026-08-10 14:13:38

○NSns5.ns35.de2018-07-28 → 2018-07-28 · 3 obs

● 2018-07-28 02:16:52
○ 2026-04-17 02:51:52
○ 2026-08-10 14:13:38

○NSns6.ns35.de2018-07-28 → 2018-07-28 · 3 obs

● 2018-07-28 02:16:52
○ 2026-04-17 02:51:52
○ 2026-08-10 14:13:38

○NSns7.ns35.de2018-07-28 → 2018-07-28 · 3 obs

● 2018-07-28 02:16:52
○ 2026-04-17 02:51:52
○ 2026-08-10 14:13:38

○NSns8.ns35.de2018-07-28 → 2018-07-28 · 3 obs

● 2018-07-28 02:16:52
○ 2026-04-17 02:51:52
○ 2026-08-10 14:13:38

●NSrobotns2.second-ns.de2026-04-17 → 2026-08-10 · 3 obs

○ 2018-07-28 02:16:52
● 2026-04-17 02:51:52
● 2026-08-10 14:13:38

●NSrobotns3.second-ns.com2026-04-17 → 2026-08-10 · 3 obs

○ 2018-07-28 02:16:52
● 2026-04-17 02:51:52
● 2026-08-10 14:13:38

●MXlogarithmo-de.mail.protection.outlook.com2018-07-28 → 2026-08-10 · 2 obs

● 2018-07-28 02:16:52
● 2026-08-10 14:13:38

●A116.203.121.32026-04-17 → 2026-08-10 · 3 obs

○ 2018-07-28 02:16:52
● 2026-04-17 02:51:52
● 2026-08-10 14:13:38

○A5.175.14.202018-07-28 → 2018-07-28 · 3 obs

● 2018-07-28 02:16:52
○ 2026-04-17 02:51:52
○ 2026-08-10 14:13:38

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:193.47.99.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for logarithmo.de (unsigned zone)

⏱️ Timing

Total: 1425ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.203.121.3`
NS	3	`robotns3.second-ns.com, ns1.first-ns.de...`
MX	1	`logarithmo-de.mail.protection.outlook.co`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Mail Server Role

The mail server logarithmo.de processes email for logarithmo.com.

IP Addresses

logarithmo.de resolves to just one IP address, 116.203.121.3.

Two other host names, along with mail.openmeter.de, openmeter.de and www.mona-energy.com, also share IP numbers with logarithmo.de.

Name Servers

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

logarithmo.de shares at least some of its name servers with other domains, including novosti.hr, alpenverein-saarbruecken.de, magmashop.de and two others.

These name servers are frequently seen alongside the name servers hydrogen.ns.hetzner.com.

robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de each resolve to two IP addresses: robotns3.second-ns.com resolves to 193.47.99.3 and 2001:67c:192c::add:a3; ns1.first-ns.de resolves to 213.239.242.238 and 2a01:4f8:0:a101::a:1; robotns2.second-ns.de resolves to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.

Mail Servers

The sole mail server for logarithmo.de is logarithmo-de.mail.protection.outlook.com.

With 8 IP addresses total, logarithmo-de.mail.protection.outlook.com resolves to 52.101.68.3, 52.101.68.18, 52.101.68.21 and 5 others.