`sitedefinition.com`

DNSSEC	⚠️ Not signed
A	2a0a:4cc0:5:a18::23:2515^{🇦🇹 netcup-AS2a0a:4cc0::/43}
A	89.58.21.24^{🇩🇪 netcup-AS89.58.16.0/21}
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`mail.sitedefinition.com` ⭐
		A	89.58.21.26^{🇩🇪 netcup-AS89.58.16.0/21}
			PTR	`mx151a.netcup.net`
MX	`mx151a.netcup.net`⁽⁵⁰⁾
		A	2a0a:4cc0:4:15:6893:50ff:fef4:cc3a^{🇦🇹 netcup-AS2a0a:4cc0::/43}
			PTR	`mx151a.netcup.net`
		A	89.58.21.26^{🇩🇪 netcup-AS89.58.16.0/21}
			PTR	`mx151a.netcup.net`
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2025-12-09 #1

`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=1778502161

WOT: SAFE (60/100)

Subdomains

mail.sitedefinition.com

Same first word

sitedefinition.com

DNS History

17 records (7 active, 10 former)

○NSns.udag.de2015-11-21 → 2017-04-02 · 5 obs

○ 2015-06-14 18:56:28
● 2015-11-21 22:57:18
● 2017-04-02 20:22:26
○ 2026-05-08 12:44:52
○ 2026-05-11 12:32:38

○NSns.udag.net2015-11-21 → 2017-04-02 · 5 obs

○ 2015-06-14 18:56:28
● 2015-11-21 22:57:18
● 2017-04-02 20:22:26
○ 2026-05-08 12:44:52
○ 2026-05-11 12:32:38

○NSns.udag.org2015-11-21 → 2017-04-02 · 5 obs

○ 2015-06-14 18:56:28
● 2015-11-21 22:57:18
● 2017-04-02 20:22:26
○ 2026-05-08 12:44:52
○ 2026-05-11 12:32:38

●NSroot-dns.netcup.net2026-05-08 → 2026-05-11 · 3 obs

○ 2017-04-02 20:22:26
● 2026-05-08 12:44:52
● 2026-05-11 12:32:38

●NSsecond-dns.netcup.net2026-05-08 → 2026-05-11 · 3 obs

○ 2017-04-02 20:22:26
● 2026-05-08 12:44:52
● 2026-05-11 12:32:38

○NSserver1-ns1.udagdns.net2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 18:56:28
○ 2015-11-21 22:57:18
○ 2026-05-11 12:32:38

○NSserver1-ns2.udagdns.net2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 18:56:28
○ 2015-11-21 22:57:18
○ 2026-05-11 12:32:38

○NSserver1-ns3.udagdns.net2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 18:56:28
○ 2015-11-21 22:57:18
○ 2026-05-11 12:32:38

●NSthird-dns.netcup.net2026-05-08 → 2026-05-11 · 3 obs

○ 2017-04-02 20:22:26
● 2026-05-08 12:44:52
● 2026-05-11 12:32:38

●MXmail.sitedefinition.com2026-05-08 → 2026-05-11 · 3 obs

○ 2017-04-02 20:22:26
● 2026-05-08 12:44:52
● 2026-05-11 12:32:38

○MXmx00.udag.de2015-06-14 → 2017-04-02 · 4 obs

● 2015-06-14 18:56:28
● 2017-04-02 20:22:26
○ 2026-05-08 12:44:52
○ 2026-05-11 12:32:38

○MXmx01.udag.de2015-06-14 → 2017-04-02 · 4 obs

● 2015-06-14 18:56:28
● 2017-04-02 20:22:26
○ 2026-05-08 12:44:52
○ 2026-05-11 12:32:38

●MXmx151a.netcup.net2026-05-08 → 2026-05-11 · 3 obs

○ 2017-04-02 20:22:26
● 2026-05-08 12:44:52
● 2026-05-11 12:32:38

●A2a0a:4cc0:5:a18::23:25152026-05-08 → 2026-05-11 · 3 obs

○ 2017-04-02 20:22:26
● 2026-05-08 12:44:52
● 2026-05-11 12:32:38

○A89.31.143.152015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 18:56:28
○ 2015-11-21 22:57:18
○ 2026-05-11 12:32:38

○A89.31.143.162015-11-21 → 2017-04-02 · 5 obs

○ 2015-06-14 18:56:28
● 2015-11-21 22:57:18
● 2017-04-02 20:22:26
○ 2026-05-08 12:44:52
○ 2026-05-11 12:32:38

●A89.58.21.242026-05-08 → 2026-05-11 · 3 obs

○ 2017-04-02 20:22:26
● 2026-05-08 12:44:52
● 2026-05-11 12:32:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sitedefinition.com	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:46.38.225.225

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sitedefinition.com (unsigned zone)

⏱️ Timing

Total: 2545ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.58.21.24`
AAAA	1	`2a0a:4cc0:5:a18::23:2515`
NS	3	`second-dns.netcup.net, root-dns.netcup.net...`
MX	2	`mail.sitedefinition.com (pri: 10), mx151a.netcup.net (pri: 50)`
TXT	1	`v=spf1 mx a include:_spf.webhosting.syst`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

The parent of mail.sitedefinition.com is sitedefinition.com.

IP Addresses

sitedefinition.com points to two IP numbers: 2a0a:4cc0:5:a18::23:2515 and 89.58.21.24.

Other host names such as trans-austria.org, ptcbox.me, kaltofen.at, eder-networks.eu and mano-cornuto.com share IPs with sitedefinition.com.

Name Servers

sitedefinition.com is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

sitedefinition.com at least partially shares name servers with other domains, for instance haarfritzen.de, rollentechnik.de, bu24.eu, strahlentherapie-fuer-tiere.de and maxhess.de.

Host root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225; Host second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199; Host third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68.

Mail Servers

sitedefinition.com is handled by two mail servers: mail.sitedefinition.com and mx151a.netcup.net.

sitedefinition.com shares at least partially some mail servers with other domains, including aninite.de, fclankowitz.at, nedrachachoua.com, isi-dance.at and natwi-technik.at.

these mail servers are often used together with mail.aninite.de, mail.fclankowitz.at, mail.nedrachachoua.com, mail.isi-dance.at, mail.natwi-technik.at, mail.car-code.eu and mail.artrio.at.

Host names with two IP numbers: mx151a.netcup.net points to 2a0a:4cc0:4:15:6893:50ff:fef4:cc3a and 89.58.21.26. Host names with one IP number: mail.sitedefinition.com points to 89.58.21.26. Host names that point to 89.58.21.26: mx151a.netcup.net and mail.sitedefinition.com.

sitedefinition.com - robtex.com