dualcode.nl - dns.ninja

`dualcode.nl`

DNSSEC	🔒 Signed (DS record present)
A	31.3.101.103^{🇳🇱 TRANSIP-AS31.3.101.0/24}
		PTR	`31-3-101-103.colo.transip.net`
NS	`ns0.transip.net` ⭐
		A	2a01:7c8:dddd:195::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns0.transip.net`
		A	195.135.195.195^{🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V.}
			PTR	`ns0.transip.net`
NS	`ns1.transip.nl`
		A	2a01:7c8:7000:195::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns1.transip.nl`
		A	195.8.195.195^{🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V.}
			PTR	`ns1.transip.nl`
NS	`ns2.transip.eu`
		A	2a01:7c8:f:c1f::195^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
			PTR	`ns2.transip.eu`
		A	37.97.199.195^{🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands}
			PTR	`ns2.transip.eu`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns0.transip.net`hostmaster@transip.nl 2026-05-15 #8

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-07-24 04:00:01 +0000 (EPOCH 1784865601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-07-24 #8

Same first word

dualcode.nl

dualcode.com

Similar names

DNS History

9 records (9 active, 0 former)

●NSns0.transip.net2015-06-29 → 2026-07-24 · 2 obs

● 2015-06-29 23:48:46
● 2026-07-24 04:39:20

●NSns1.transip.nl2015-06-29 → 2026-07-24 · 2 obs

● 2015-06-29 23:48:46
● 2026-07-24 04:39:20

●NSns2.transip.eu2015-06-29 → 2026-07-24 · 2 obs

● 2015-06-29 23:48:46
● 2026-07-24 04:39:20

●MXalt1.aspmx.l.google.com2015-06-29 → 2026-07-24 · 2 obs

● 2015-06-29 23:48:46
● 2026-07-24 04:39:20

●MXalt2.aspmx.l.google.com2015-06-29 → 2026-07-24 · 2 obs

● 2015-06-29 23:48:46
● 2026-07-24 04:39:20

●MXaspmx.l.google.com2015-06-29 → 2026-07-24 · 2 obs

● 2015-06-29 23:48:46
● 2026-07-24 04:39:20

●MXaspmx2.googlemail.com2015-06-29 → 2026-07-24 · 2 obs

● 2015-06-29 23:48:46
● 2026-07-24 04:39:20

●MXaspmx3.googlemail.com2015-06-29 → 2026-07-24 · 2 obs

● 2015-06-29 23:48:46
● 2026-07-24 04:39:20

●A31.3.101.1032015-06-29 → 2026-07-24 · 2 obs

● 2015-06-29 23:48:46
● 2026-07-24 04:39:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
dualcode.nl	ns0.transip.net, ns1.transip.nl, ns2.transip.eu	2 records

✅ Authoritative Response

Server:195.8.195.195

NS records: ns0.transip.net, ns1.transip.nl, ns2.transip.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1903ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.3.101.103`
NS	3	`ns1.transip.nl, ns2.transip.eu...`
MX	5	`ASPMX3.GOOGLEMAIL.COM (pri: 10), ALT2.ASPMX.L.GOOGLE.COM (pri: 5)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns0.transip.net hostmaster.transip.nl`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.transip.nl, ns1.transip.nl)

Analysis

IP Addresses

dualcode.nl has exactly one IP address — 31.3.101.103.

Host names like 31-3-101-103.colo.transip.net are further examples that share IP numbers with dualcode.nl.

Name Servers

dualcode.nl carries NS records delegating to ns2.transip.eu, ns0.transip.net and ns1.transip.nl.

dualcode.nl has at least partial name server overlap with other domains, such as amg.nl, avined.net, cropib.com and two others.

ns2.transip.eu, ns0.transip.net and ns1.transip.nl are three hostnames that each resolve to a pair of IP addresses: ns2.transip.eu to 37.97.199.195 and 2a01:7c8:f:c1f::195, ns0.transip.net to 195.135.195.195 and 2a01:7c8:dddd:195::195, and ns1.transip.nl to 195.8.195.195 and 2a01:7c8:7000:195::195.

Mail Servers

dualcode.nl is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by dualcode.nl are shared with other domains: langhampress.co.uk, manuelfink.de, ns500671.ns500742.ns500671.ns500742.ns500671.ns500704.ns500731.ns500705.ns500688.ns500688.ns500678.ns500291.ns500291.ns500291.ns500131.lustychickser.com and two others among them.

These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com resolves to two addresses: 172.253.63.26 and 2607:f8b0:4004:c0b::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 2800:3f0:4003:c0f::1a IP addresses.

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 108.177.123.26 IP addresses.

aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 172.253.116.26 IP addresses.