firstclassit.de - dns.ninja

`firstclassit.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:d0a:27bd::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`www4.your-server.de`
A	213.133.104.4^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`firstclassit-de.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.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.your-server.de`postmaster@your-server.de 2025-12-11 #0

`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=1785533165

Same first word

firstclassit.ro

firstclassit.de

firstclassit.com

Similar names

stairliftssc.com

DNS History

11 records (6 active, 5 former)

●NSns.second-ns.com2020-02-28 → 2026-07-31 · 3 obs

○ 2017-04-02 05:43:18
● 2020-02-28 01:02:28
● 2026-07-31 21:49:18

●NSns1.your-server.de2020-02-28 → 2026-07-31 · 3 obs

○ 2017-04-02 05:43:18
● 2020-02-28 01:02:28
● 2026-07-31 21:49:18

●NSns3.second-ns.de2020-02-28 → 2026-07-31 · 3 obs

○ 2017-04-02 05:43:18
● 2020-02-28 01:02:28
● 2026-07-31 21:49:18

○NSns53.web.de2015-05-28 → 2017-04-02 · 4 obs

● 2015-05-28 08:27:18
● 2017-04-02 05:43:18
○ 2020-02-28 01:02:28
○ 2026-07-31 21:49:18

○NSns54.web.de2015-05-28 → 2017-04-02 · 4 obs

● 2015-05-28 08:27:18
● 2017-04-02 05:43:18
○ 2020-02-28 01:02:28
○ 2026-07-31 21:49:18

○MXdhmx01.web.de2015-05-28 → 2017-04-02 · 4 obs

● 2015-05-28 08:27:18
● 2017-04-02 05:43:18
○ 2020-02-28 01:02:28
○ 2026-07-31 21:49:18

○MXdhmx02.web.de2015-05-28 → 2017-04-02 · 4 obs

● 2015-05-28 08:27:18
● 2017-04-02 05:43:18
○ 2020-02-28 01:02:28
○ 2026-07-31 21:49:18

●MXfirstclassit-de.mail.protection.outlook.com2020-02-28 → 2026-07-31 · 3 obs

○ 2017-04-02 05:43:18
● 2020-02-28 01:02:28
● 2026-07-31 21:49:18

●A213.133.104.42020-02-28 → 2026-07-31 · 3 obs

○ 2017-04-02 05:43:18
● 2020-02-28 01:02:28
● 2026-07-31 21:49:18

●A2a01:4f8:d0a:27bd::22020-02-28 → 2026-07-31 · 3 obs

○ 2017-04-02 05:43:18
● 2020-02-28 01:02:28
● 2026-07-31 21:49:18

○A82.165.213.2162015-05-28 → 2017-04-02 · 4 obs

● 2015-05-28 08:27:18
● 2017-04-02 05:43:18
○ 2020-02-28 01:02:28
○ 2026-07-31 21:49:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
firstclassit.de	ns.second-ns.com, ns3.second-ns.de, ns1.your-server.de	4 records

✅ Authoritative Response

Server:213.239.204.242

NS records: ns.second-ns.com, ns3.second-ns.de, ns1.your-server.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclassit.de (unsigned zone)

⏱️ Timing

Total: 1335ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.133.104.4`
AAAA	1	`2a01:4f8:d0a:27bd::2`
NS	3	`ns1.your-server.de, ns3.second-ns.de...`
MX	1	`firstclassit-de.mail.protection.outlook.`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.your-server.de postmaster.your-serve`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.second-ns.de, ns1.your-server.de, ns3.second-ns.de...)

Analysis

IP Addresses

firstclassit.de resolves to the IP addresses 213.133.104.4 and 2a01:4f8:d0a:27bd::2

robbeberking.fr, hno-waidmannslust.de, mail.valveauction.com plus two other host names have IP numbers in common with firstclassit.de.

Name Servers

DNS for firstclassit.de is handled by three authoritative name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

firstclassit.de partially shares its NS delegation with several other domains, including fsgmarbach.de, 218.108.65.in-addr.arpa, connectit-sha.de and two others.

Three hostnames — ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de — each have two IP addresses: ns.second-ns.com has 213.239.204.242 and 2a01:4f8:0:a101::b:1, ns3.second-ns.de has 193.47.99.4 and 2001:67c:192c::add:b3, and ns1.your-server.de has 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

Mail Servers

firstclassit.de uses one mail server — firstclassit-de.mail.protection.outlook.com.

firstclassit-de.mail.protection.outlook.com has 8 IP addresses: 52.101.68.39, 52.101.73.4, 52.101.73.30 plus 5 more.