study.sde.dk - dns.ninja

`study.sde.dk`

DNSSEC	⚠️ Not signed
A	185.19.135.96^{🇩🇰 SDE-AS185.19.132.0/22 Syddansk Erhvervsskole}
		PTR	`10grindsted.dk`
		PTR	`10nordfyn.dk`
		PTR	`ots.dk`
		PTR	`www.10grindsted.dk`
		PTR	`www.10nordfyn.dk`
		PTR	`praktik.esis.dk`
		PTR	`praktikplads.esis.dk`
		PTR	`learn.otg.dk`
		PTR	`www.ots.dk`
		PTR	`brobygning.sde.dk`
		PTR	`findlæreplads.sde.dk`
		PTR	`gdprkursus.sde.dk`
		PTR	`ikt.sde.dk`
		PTR	`it.sde.dk`
		PTR	`ittester.sde.dk`
		PTR	`medarbejderplan.sde.dk`
		PTR	`sdeicon.sde.dk`
		PTR	`skiftkode.sde.dk`
		PTR	`study.sde.dk`
		PTR	`learn.vtg.dk`
		PTR	`www.findlæreplads.sde.dk`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
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	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`apple-domain-verification=YGhiqBZnKFOOqYYE`
TXT	`adobe-idp-site-verification=9543aef78c858f7306df727e66096bb8e6c9260d022e43238...`
TXT	`google-site-verification=Y__3Ekvkf7juAIxHSETT8C9i5e5y5JWwAr916XvZqac`
TXT	`v=spf1 include:spf.esis.dk include:_spf.google.com -all`

`sde.dk`

	DNSSEC	⚠️ Not signed
	A	185.19.134.149^{🇩🇰 SDE-AS185.19.132.0/22 Syddansk Erhvervsskole}
	NS	`ns1.esis.dk` ⭐
	NS	`ns2.esis.dk`
	MX	`sde-dk.mail.protection.outlook.com` ⭐
	TXT	`spycloud-domain-verification=4cee368e-7cc4-4c29-b43e-14bc1a02c79f`
	TXT	`google-site-verification=K2H-TPoq5jPiqiAgDhKH4sTB3yavOCcLf_IYY9W5kyg`
	TXT	`adobe-idp-site-verification=42a470a786b08b1d0ebc38c4e47e68fa11a211afde2f4ee7c...`
	TXT	`apple-domain-verification=Sh7f9pYWHkgWBImM`
	TXT	`google-site-verification=cvfoixHRARbQPmPaNSbL92lVmwGG_W3uRT5hy0Fky6Y`
	TXT	`JlHj2ogU2Lh7Cm1NzJu8ptG0CErrX/ooT7k9PMwYAetLd9gCXqa/jCoZ/OsTPFP76kNQOJLmspaVW...`
	TXT	`sKMx45dPojkG8FwDL77l0kx8E5XEDMOx76PxkXjfo5WyoPieSgY7KdRt4NoxpTpnA8ntAEnVHiixx...`
	TXT	`Tj8sXzoKqghl3zQve42PhJPb6rj86hdh6OlsU9Xuzk70ElyaMH4AATN/mY1Gv/BOzW6e+8EALxbIg...`
	TXT	`MS=ms85527152`
	TXT	`v=spf1 ip4:185.19.134.44 ip4:217.195.184.68 ip4:194.30.34.86 ip4:212.49.142.1...`
	TXT	`v=msv1 t=8CDD755C-F6C3-47FB-AE05-48DEBD064D7E`
	TXT	`google-site-verification=xMevZv6Ijtis1La61Nmlp8Zso9S2rj_68m0HkMHiQrg`
	TXT	`have-i-been-pwned-verification=e81846d8be190966c2b0e13f78aa742a`
	TXT	`google-site-verification=_-Ski1tDgb0tpCLKGaKEtAgOCG7ke7KtdSSJzxenqGA`
	TXT	`autodesk-domain-verification=_VdcGVgPIz3pDOIq61zf`
	TXT	`4ae9c241e774aefdf60e2593834d57a43a7d2affe46fdffba0`
	TXT	`SGBvnDGxIwN79RmNKVKMIzUyzPSysJPVbZLZVkNCBBaU9joA2InVONvDlivfv5z50tfdm+NKfZhik...`
	SOA	`ns1.esis.dk`hostmaster@esis.dk serial=2021113752

WOT: SAFE (61/100)
rank #728962 globally
rank #2264 in the tld
WOT: SAFE (65/100)
📈 Tranco rank: #464,171

PTR for

96.135.19.185.in-addr.arpa

Same first word

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DNS History

6 records (6 active, 0 former)

●MXalt1.aspmx.l.google.com2026-02-21 → 2026-07-10 · 2 obs

● 2026-02-21 04:24:32
● 2026-07-10 06:29:28

●MXalt2.aspmx.l.google.com2026-02-21 → 2026-07-10 · 2 obs

● 2026-02-21 04:24:32
● 2026-07-10 06:29:28

●MXalt3.aspmx.l.google.com2026-02-21 → 2026-07-10 · 2 obs

● 2026-02-21 04:24:32
● 2026-07-10 06:29:28

●MXalt4.aspmx.l.google.com2026-02-21 → 2026-07-10 · 2 obs

● 2026-02-21 04:24:32
● 2026-07-10 06:29:28

●MXaspmx.l.google.com2026-02-21 → 2026-07-10 · 2 obs

● 2026-02-21 04:24:32
● 2026-07-10 06:29:28

●A185.19.135.962026-02-21 → 2026-07-10 · 2 obs

● 2026-02-21 04:24:32
● 2026-07-10 06:29:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	h.nic.dk, b.nic.dk, s.nic.dk, t.nic.dk...	-
sde.dk	ns1.esis.dk, ns2.esis.dk	2 records

✅ Authoritative Response

Server:185.19.134.3

NS records: ns1.esis.dk, ns2.esis.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1566ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.19.135.96`
MX	5	`aspmx.l.google.com (pri: 1), alt2.aspmx.l.google.com (pri: 5)...`
TXT	4	`v=spf1 include:spf.esis.dk include:_spf., apple-domain-verification=YGhiqBZnKFOOqY...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.esis.dk, ns2.esis.dk)

Analysis

IP Addresses

study.sde.dk has exactly one IP address — 185.19.135.96.

praktik.esis.dk, brobygning.sde.dk, skiftkode.sde.dk plus two other host names have IP numbers in common with study.sde.dk.

Mail Servers

Five mail servers handle study.sde.dk: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by study.sde.dk are shared with other domains: nexx.ae, akerstrand.se, compound13.org and two others among them.

These mail servers are often deployed together with alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com directs traffic to 142.251.167.26 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.