`spanningtree.nl`

DNSSEC	⚠️ Not signed
A	45.87.158.7^{🇩🇪 INWX45.87.158.0/23}
		PTR	`url-redirector.inwx.net`
NS	`ns2.inwx.de` ⭐
		A	2001:67c:10b8::104^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.anycastdns.ch`
			PTR	`ns2.inwx.ch`
			PTR	`ns2.inwx.com`
			PTR	`ns2.inwx.de`
			PTR	`b.xnameserver.de`
			PTR	`ns2.inwx.es`
			PTR	`ns.domrobot.net`
			PTR	`ns2.inwx.net`
		A	176.97.158.104^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.anycastdns.ch`
			PTR	`ns2.inwx.ch`
			PTR	`ns2.inwx.com`
			PTR	`ns2.inwx.de`
			PTR	`b.xnameserver.de`
			PTR	`ns2.inwx.es`
			PTR	`ns.domrobot.net`
			PTR	`ns2.inwx.net`
NS	`ns.inwx.de`
		A	2001:67c:1bc::104^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.anycastdns.ch`
			PTR	`ns.inwx.ch`
			PTR	`ns.domrobot.com`
			PTR	`ns.inwx.com`
			PTR	`ns.inwx.de`
			PTR	`a.xnameserver.de`
			PTR	`ns.inwx.es`
			PTR	`ns.inwx.uk`
		A	192.174.68.104^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.anycastdns.ch`
			PTR	`ns.inwx.ch`
			PTR	`ns.domrobot.com`
			PTR	`ns.inwx.com`
			PTR	`ns.inwx.de`
			PTR	`a.xnameserver.de`
			PTR	`ns.inwx.es`
			PTR	`ns.inwx.uk`
NS	`ns3.inwx.eu`
		A	2a02:d500::53^{🇩🇪 INWX2a02:d500::/29}
			PTR	`c.xnameserver.de`
			PTR	`ns3.inwx.eu`
			PTR	`ns.domrobot.org`
		A	45.87.158.53^{🇩🇪 INWX45.87.158.0/23}
			PTR	`c.xnameserver.de`
			PTR	`ns3.inwx.eu`
			PTR	`ns.domrobot.org`
MX	`mail.spanningtree.nl` ⭐
		A	77.163.1.210^{🇳🇱 KPN77.160.0.0/13 PIADDR}
			PTR	`77-163-1-210.fixed.kpn.net`
MX	`mx01.mail.icloud.com`⁽¹⁰⁾
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com`⁽¹⁰⁾
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain-verification=QhkCQof2XWbYWjn2871llBe394LKEjlEz-XtoIU9908`
TXT	`v=spf1 include:icloud.com a:mail.spanningtree.nl a:77.163.1.210 -all`
TXT	`apple-domain=xrAj7wlgyKiSiNIk`
SOA	`ns.inwx.de`hostmaster@inwx.de 2026-07-31 #0

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-08-08 04:00:01 +0000 (EPOCH 1786161601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-08-08 #8

Subdomains

mail.spanningtree.nl

Same first word

spanningtree.com

spanningtree.ca

spanningtree.nl

DNS History

11 records (7 active, 4 former)

●NSns.inwx.de2026-06-11 → 2026-08-08 · 3 obs

○ 2020-02-19 03:52:54
● 2026-06-11 11:28:12
● 2026-08-08 05:00:24

○NSns01.mailcompany.com2015-08-13 → 2020-02-19 · 4 obs

● 2015-08-13 01:10:20
● 2020-02-19 03:52:54
○ 2026-06-11 11:28:12
○ 2026-08-08 05:00:24

○NSns02.mailcompany.com2015-08-13 → 2020-02-19 · 4 obs

● 2015-08-13 01:10:20
● 2020-02-19 03:52:54
○ 2026-06-11 11:28:12
○ 2026-08-08 05:00:24

●NSns2.inwx.de2026-06-11 → 2026-08-08 · 3 obs

○ 2020-02-19 03:52:54
● 2026-06-11 11:28:12
● 2026-08-08 05:00:24

●NSns3.inwx.eu2026-06-11 → 2026-08-08 · 3 obs

○ 2020-02-19 03:52:54
● 2026-06-11 11:28:12
● 2026-08-08 05:00:24

●MXmail.spanningtree.nl2015-08-13 → 2026-08-08 · 2 obs

● 2015-08-13 01:10:20
● 2026-08-08 05:00:24

●MXmx01.mail.icloud.com2026-06-11 → 2026-08-08 · 3 obs

○ 2015-08-13 01:10:20
● 2026-06-11 11:28:12
● 2026-08-08 05:00:24

●MXmx02.mail.icloud.com2026-06-11 → 2026-08-08 · 3 obs

○ 2015-08-13 01:10:20
● 2026-06-11 11:28:12
● 2026-08-08 05:00:24

●A45.87.158.72026-06-11 → 2026-08-08 · 3 obs

○ 2020-02-19 03:52:54
● 2026-06-11 11:28:12
● 2026-08-08 05:00:24

○A46.144.127.1372015-08-13 → 2015-12-08 · 4 obs

● 2015-08-13 01:10:20
● 2015-12-08 06:08:06
○ 2016-03-15 19:49:38
○ 2026-08-08 05:00:24

○A95.97.148.182016-03-15 → 2020-02-19 · 5 obs

○ 2015-12-08 06:08:06
● 2016-03-15 19:49:38
● 2020-02-19 03:52:54
○ 2026-06-11 11:28:12
○ 2026-08-08 05:00:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns4.dns.nl, ns3.dns.nl	-
spanningtree.nl	ns.inwx.de, ns2.inwx.de, ns3.inwx.eu	-

✅ Authoritative Response

Server:192.174.68.104

NS records: ns.inwx.de, ns2.inwx.de, ns3.inwx.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spanningtree.nl (unsigned zone)

⏱️ Timing

Total: 617ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.87.158.7`
NS	3	`ns3.inwx.eu, ns.inwx.de...`
MX	3	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)...`
TXT	3	`v=spf1 include:icloud.com a:mail.spannin, apple-domain-verification=QhkCQof2XWbYWj...`
SOA	1	`ns.inwx.de hostmaster.inwx.de`

Analysis

Hierarchy

The domain mail.spanningtree.nl falls under the parent spanningtree.nl.

IP Addresses

spanningtree.nl resolves to one IP address: 45.87.158.7.

coworking.business, christian.test8.verio.de, gravoart.de and two other host names share IP numbers with spanningtree.nl.

Name Servers

The authoritative name servers for spanningtree.nl are ns2.inwx.de, ns.inwx.de and ns3.inwx.eu — three in total.

At least some of spanningtree.nl's name servers are shared with other domains, for example datenschutzministerium.de, uberladen.com, traumpartner24.de and two more.

It is common for these name servers to be used in conjunction with the name servers ns3.inwx.de, ns4.inwx.com and ns5.inwx.net.

ns2.inwx.de, ns.inwx.de and ns3.inwx.eu all resolve to exactly two IP numbers apiece: ns2.inwx.de → 176.97.158.104 and 2001:67c:10b8::104; ns.inwx.de → 192.174.68.104 and 2001:67c:1bc::104; ns3.inwx.eu → 45.87.158.53 and 2a02:d500::53.

Mail Servers

The MX records for spanningtree.nl list three mail servers: mail.spanningtree.nl, mx01.mail.icloud.com and mx02.mail.icloud.com.

spanningtree.nl has at least partial mail server overlap with other domains such as harry.mg, loridagley.com, bentvelzen.org and two more.

Hostnames that resolve to 6 IP addresses:

Hostname mx01.mail.icloud.com directs to 17.42.251.62, 17.56.9.31 and 17.57.152.5 along with 3 other IP addresses.

Hostname mx02.mail.icloud.com directs to 17.42.251.62, 17.56.9.31 and 17.57.152.5 along with 3 other IP addresses.

Hosts with just one IP address:

mail.spanningtree.nl has the IP address 77.163.1.210.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.42.251.62 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.56.9.31 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.152.5 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.154.33 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.155.25 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.156.30 IP addresses each.

spanningtree.nl - robtex.com

spanningtree.nl

nl

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`spanningtree.nl`

`nl`