struct.fi - dns.ninja

`struct.fi`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3032::ac43:9f26^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:93e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.9.62^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.38^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`derek.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`derek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`derek.ns.cloudflare.com`
		A	108.162.193.154^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	172.64.33.154^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	173.245.59.154^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
NS	`thea.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thea.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thea.ns.cloudflare.com`
		A	108.162.194.247^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	162.159.38.247^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	172.64.34.247^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.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::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.9.62, 172.67.159.38
		IPv6 hints	2606:4700:3032::ac43:9f26, 2606:4700:3033::6815:93e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=69, name=cloudflare-ech.com
SOA	`derek.ns.cloudflare.com`dns@cloudflare.com serial=2406623706

`fi`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.fi` ⭐
	NS	`b.fi`
	NS	`c.fi`
	NS	`d.fi`
	NS	`e.fi`
	NS	`f.fi`
	NS	`g.fi`
	NS	`i.fi`
	NS	`j.fi`
	NS	`k.fi`
	TXT	`whois.fi`
	TXT	`https://domain.fi/`
	SOA	`a.fi`fi-domain-tech@ficora.fi 2026-06-16 #27

Subdomains

www.struct.fi

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

17 records (11 active, 6 former)

●NSderek.ns.cloudflare.com2026-02-16 → 2026-06-16 · 2 obs

● 2026-02-16 08:35:30
● 2026-06-16 06:46:38

●NSthea.ns.cloudflare.com2026-02-16 → 2026-06-16 · 2 obs

● 2026-02-16 08:35:30
● 2026-06-16 06:46:38

●MXalt1.aspmx.l.google.com2026-02-16 → 2026-06-16 · 2 obs

● 2026-02-16 08:35:30
● 2026-06-16 06:46:38

●MXalt2.aspmx.l.google.com2026-02-16 → 2026-06-16 · 2 obs

● 2026-02-16 08:35:30
● 2026-06-16 06:46:38

●MXalt3.aspmx.l.google.com2026-02-16 → 2026-06-16 · 2 obs

● 2026-02-16 08:35:30
● 2026-06-16 06:46:38

●MXalt4.aspmx.l.google.com2026-02-16 → 2026-06-16 · 2 obs

● 2026-02-16 08:35:30
● 2026-06-16 06:46:38

●MXaspmx.l.google.com2026-02-16 → 2026-06-16 · 2 obs

● 2026-02-16 08:35:30
● 2026-06-16 06:46:38

●A104.21.9.622026-02-16 → 2026-06-16 · 9 obs

● 2026-02-16 08:35:30
● 2026-02-20 18:29:36
○ 2026-03-03 22:19:40
● 2026-04-26 21:06:26
● 2026-06-09 06:30:56
○ 2026-06-11 10:37:08
○ 2026-06-11 11:08:50
● 2026-06-11 14:54:38
● 2026-06-16 06:46:38

●A172.67.159.382026-02-16 → 2026-06-16 · 9 obs

○A188.114.96.02026-03-03 → 2026-06-11 · 8 obs

○ 2026-02-20 18:29:36
● 2026-03-03 22:19:40
○ 2026-04-26 21:06:26
○ 2026-06-09 06:30:56
● 2026-06-11 10:37:08
● 2026-06-11 11:08:50
○ 2026-06-11 14:54:38
○ 2026-06-16 06:46:38

○A188.114.97.02026-03-03 → 2026-06-11 · 8 obs

○ 2026-02-20 18:29:36
● 2026-03-03 22:19:40
○ 2026-04-26 21:06:26
○ 2026-06-09 06:30:56
● 2026-06-11 10:37:08
● 2026-06-11 11:08:50
○ 2026-06-11 14:54:38
○ 2026-06-16 06:46:38

●A2606:4700:3032::ac43:9f262026-02-16 → 2026-06-16 · 9 obs

●A2606:4700:3033::6815:93e2026-02-16 → 2026-06-16 · 9 obs

○A2a06:98c1:3120::2026-03-03 → 2026-06-11 · 7 obs

○ 2026-02-20 18:29:36
● 2026-03-03 22:19:40
○ 2026-04-26 21:06:26
○ 2026-06-11 10:37:08
● 2026-06-11 11:08:50
○ 2026-06-11 14:54:38
○ 2026-06-16 06:46:38

○A2a06:98c1:3120::42026-06-11 → 2026-06-11 · 4 obs

○ 2026-06-09 06:30:56
● 2026-06-11 10:37:08
○ 2026-06-11 11:08:50
○ 2026-06-16 06:46:38

○A2a06:98c1:3121::2026-03-03 → 2026-06-11 · 7 obs

○ 2026-02-20 18:29:36
● 2026-03-03 22:19:40
○ 2026-04-26 21:06:26
○ 2026-06-11 10:37:08
● 2026-06-11 11:08:50
○ 2026-06-11 14:54:38
○ 2026-06-16 06:46:38

○A2a06:98c1:3121::42026-06-11 → 2026-06-11 · 4 obs

○ 2026-06-09 06:30:56
● 2026-06-11 10:37:08
○ 2026-06-11 11:08:50
○ 2026-06-16 06:46:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fi	f.fi, i.fi, d.fi, b.fi...	-
struct.fi	thea.ns.cloudflare.com, derek.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.247

NS records: thea.ns.cloudflare.com, derek.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 982ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.9.62, 172.67.159.38`
AAAA	2	`2606:4700:3032::ac43:9f26, 2606:4700:3033::6815:93e`
NS	2	`derek.ns.cloudflare.com, thea.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`derek.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

www.struct.fi is a subdomain of struct.fi.

IP Addresses

struct.fi points to the four IP addresses 104.21.9.62, 172.67.159.38, 2606:4700:3032::ac43:9f26 and 2606:4700:3033::6815:93e.

Two other host names, along with mpgreenhouse.com, mohaas.net and rapejim.es, also share IP numbers with struct.fi.

Name Servers

DNS delegation for struct.fi points to two name servers: derek.ns.cloudflare.com and thea.ns.cloudflare.com.

struct.fi shares its NS records with other domains, for example fwloc.com, dclop.com, bjurhager.se and two others.

The name servers of struct.fi overlap at least partially with those of other domains — among them gemma-design.co.uk, jsczmd.com, cqsqyl.com and two more.

These name servers commonly appear in combination with the name servers matias.ns.cloudflare.com.

DNS names with 6 IP addresses:

derek.ns.cloudflare.com has IP addresses 108.162.193.154, 172.64.33.154 and 173.245.59.154, plus 3 other.

thea.ns.cloudflare.com has IP addresses 108.162.194.247, 162.159.38.247 and 172.64.34.247, plus 3 other.

Mail Servers

struct.fi has five mail servers, which are 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.fi and other domains, including holdigo.com, drberger.com, ns500742.ns500742.ns500671.ns500731.ns500742.ns500704.ns500704.ns500671.ns500671.ns500671.ns500142.lusty(0x736c7574)z.com and two others.

alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.

Host names that have two IP addresses:

aspmx.l.google.com has two IP addresses: 172.253.62.27 and 2607:f8b0:4004:c17::1a.

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

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.