struct.dk - dns.ninja

`struct.dk`

DNSSEC	🔒 Signed (DS record present)
A	51.144.99.197^{🇳🇱 Microsoft51.144.0.0/15}
NS	`ns1.simply.com` ⭐
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com`
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 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::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`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=JV0j0kfvArc1A94w6qLkXqmcNzYu8igdvTljLpSgN5c`
TXT	`slack-domain-verification=0Z5uMHhloLL4Dg6iPg0sbOhaMStk4sHbISV2cKNw`
TXT	`v=spf1 include:_spf.google.com include:servers.mcsv.net ~all`
TXT	`MS=ms92582128`
SOA	`ns1.simply.com`hostmaster@simply.com 2025-03-02 #1

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1781450821localtime Sun Jun 14 17:27:01 2026gmtime Sun Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1781450821

Same first word

struct.eu

struct.com.au

struct.ca

struct.org

struct.ai

struct.hu

struct.com

struct.ws

struct.cz

struct.ltd

struct.nl

struct.app

struct.xyz

struct.mx

struct.cn

struct.co.nz

struct.biz

struct.de

struct.us

struct.online

struct.rocks

struct.at

struct.fi

struct.it

struct.ch

struct.co

struct.to

struct.se

struct.studio

struct.ru

struct.dk

struct.io

struct.com.br

struct.in

Similar names

trustc.ro

crutts.com

trcust.ru

rcutts.com

ctrust.co

ctrust.io

ctrust.net

rtscut.com

ctrust.co.uk

trustc.com

ctrust.co.za

ctrust.com.cn

ctrust.ro

ctrust.gr

ctrust.com

ctrust.org

tructs.com

ctrust.ru

DNS History

16 records (10 active, 6 former)

●NSns1.simply.com2026-03-25 → 2026-06-14 · 3 obs

○ 2017-04-08 07:24:00
● 2026-03-25 23:02:42
● 2026-06-14 15:33:00

○NSns1.unoeuro.com2015-06-19 → 2017-04-08 · 4 obs

● 2015-06-19 18:38:06
● 2017-04-08 07:24:00
○ 2026-03-25 23:02:42
○ 2026-06-14 15:33:00

●NSns2.simply.com2026-03-25 → 2026-06-14 · 3 obs

○ 2017-04-08 07:24:00
● 2026-03-25 23:02:42
● 2026-06-14 15:33:00

○NSns2.unoeuro.com2015-06-19 → 2017-04-08 · 4 obs

● 2015-06-19 18:38:06
● 2017-04-08 07:24:00
○ 2026-03-25 23:02:42
○ 2026-06-14 15:33:00

●NSns3.simply.com2026-03-25 → 2026-06-14 · 3 obs

○ 2017-04-08 07:24:00
● 2026-03-25 23:02:42
● 2026-06-14 15:33:00

○NSns3.unoeuro.com2015-06-19 → 2017-04-08 · 4 obs

● 2015-06-19 18:38:06
● 2017-04-08 07:24:00
○ 2026-03-25 23:02:42
○ 2026-06-14 15:33:00

●NSns4.simply.com2026-03-25 → 2026-06-14 · 3 obs

○ 2017-04-08 07:24:00
● 2026-03-25 23:02:42
● 2026-06-14 15:33:00

○NSns4.unoeuro.com2015-06-19 → 2017-04-08 · 4 obs

● 2015-06-19 18:38:06
● 2017-04-08 07:24:00
○ 2026-03-25 23:02:42
○ 2026-06-14 15:33:00

●MXalt1.aspmx.l.google.com2015-06-19 → 2026-06-14 · 2 obs

● 2015-06-19 18:38:06
● 2026-06-14 15:33:00

●MXalt2.aspmx.l.google.com2015-06-19 → 2026-06-14 · 2 obs

● 2015-06-19 18:38:06
● 2026-06-14 15:33:00

●MXalt3.aspmx.l.google.com2015-06-19 → 2026-06-14 · 2 obs

● 2015-06-19 18:38:06
● 2026-06-14 15:33:00

●MXalt4.aspmx.l.google.com2015-06-19 → 2026-06-14 · 2 obs

● 2015-06-19 18:38:06
● 2026-06-14 15:33:00

●MXaspmx.l.google.com2015-06-19 → 2026-06-14 · 2 obs

● 2015-06-19 18:38:06
● 2026-06-14 15:33:00

○A176.9.93.1892015-11-01 → 2017-04-08 · 5 obs

○ 2015-06-19 18:38:06
● 2015-11-01 03:06:42
● 2017-04-08 07:24:00
○ 2026-03-25 23:02:42
○ 2026-06-14 15:33:00

●A51.144.99.1972026-03-25 → 2026-06-14 · 3 obs

○ 2017-04-08 07:24:00
● 2026-03-25 23:02:42
● 2026-06-14 15:33:00

○A91.215.162.1942015-06-19 → 2015-06-19 · 3 obs

● 2015-06-19 18:38:06
○ 2015-11-01 03:06:42
○ 2026-06-14 15:33:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
struct.dk	ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com	-

✅ Authoritative Response

Server:91.197.248.78

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1020ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.144.99.197`
NS	4	`ns2.simply.com, ns1.simply.com...`
MX	5	`alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...`
TXT	4	`google-site-verification=JV0j0kfvArc1A94, slack-domain-verification=0Z5uMHhloLL4Dg...`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

IP Addresses

struct.dk resolves to just one IP address, 51.144.99.197.

Name Servers

The NS records for struct.dk point to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

struct.dk has at least partial name server overlap with other domains, such as larsbundgaard.dk, bjergstedarkiv.dk, wry.se and two others.

It is common to find these name servers paired with the name servers ns1.unoeuro.com, ns2.unoeuro.com, ns3.unoeuro.com and ns4.unoeuro.com.

Host names that have two IP addresses:

ns1.simply.com maps to two IP addresses — 91.197.248.78 and 2a02:2339:1:15c::4562:4562.

ns2.simply.com maps to two IP addresses — 185.25.141.15 and 2a02:2339:4006:101::4562:4562.

Host names that point to one IP address:

ns3.simply.com points to the IP address 91.197.248.79.

ns4.simply.com points to the IP address 91.197.248.80.

Mail Servers

Mail for struct.dk is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between struct.dk and other domains, including avidity.se, gemstonemortgage.com, bicio.cl and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com maps to two IP addresses — 192.178.155.27 and 2607:f8b0:4004:c19::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1b.