esis.dk

📜 Historical scan 2026-10-05 17:30:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

esis.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 19 November 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.19.134.51 is hosted by Syddansk Erhvervsskole Odense-Vejle (AS199374) in Denmark. Mail is handled by esis-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.esis.dk	185.19.134.2	ns1.esis.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle
ns2.esis.dk	185.19.134.3	ns2.esis.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.19.134.51	300s	allikelund.dk ansat.rybners.dk ansatte.sde.dk apv.otg.dk automobility.sde.dk beacon.bcsyd.dk booking-vars.sde.dk chat.rybners.dk cybermission.sde.dk dalumlaerlinge.dk dev-itd-skp.sde.dk dev.rybners.dk dm.sde.dk eksamen.rybners.dk eksamenschat.bcsyd.dk esis.dk esisvmin2.esis.dk eucnvs.dk eudgrindsted.sde.dk filuploader.sosu-syd.dk hskhjem.dk Indigo.nextkbh.dk info.sdbf.dk inhousemoodle.rybners.dk iot.sde.dk it.campusvejle.dk it.nvsvuc.dk it.rosborg-gym.dk it.rybners.dk itd-skp.sde.dk itd.sde.dk ittemp.campusvejle.dk kahl.dk kursist.rybners.dk lc.bcsyd.dk links.nextkbh.dk ludus.bcsyd.dk ludus.campusvejle.dk ludus.eucnvs.dk ludus.nextkbh.dk ludus.rybners.dk ludus.sde.dk ludusweb.campusvejle.dk mail.edu.sde.dk manage.rybners.dk maskin.sde.dk mittest.esis.dk new.agu-online.dk odsherreds-gym.dk rpa.sdbf.dk rpaservicedesk.sdbf.dk rynk.eucnvs.dk salg.rybners.dk sikkerhed.rybners.dk sps.otg.dk sps.sde.dk sps.vtg.dk support.sdbf.dk teg.sde.dk valgfag.sde.dk vfu.sde.dk viden.nextkbh.dk vismaimport.campusvejle.dk wiki.esis.dk www.allikelund.dk www.dalumlaerlinge.dk www.dm.sde.dk www.hskhjem.dk www.Indigo.nextkbh.dk www.info.sdbf.dk www.it.rosborg-gym.dk www.maskin.sde.dk www.odsherreds-gym.dk www.rpa.sdbf.dk	AS199374	Syddansk Erhvervsskole Odense-Vejle	185.19.132.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	esis-dk.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::28 2a01:111:f403:ca21::c 2a01:111:f403:ca48::10 52.101.103.140 52.101.209.31 52.101.68.15 52.101.73.145	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.19.134.5

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 75ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	autodiscover.esis.dk

📝 TXT Records#

23 records 223ms

TXT Record
22fc35b59cb9ed8c131be4fc4787963ee11f25a173f0f6e8d7
9W1IGfyl41zD5zBf/1UzFmZYmoB+S8vIDxOTaA9/uGdrikG+SGY1TAwC/An5jR3llUVpcCujV57SVu+04W6FWQ==
abuseipdb-verification=UoHDKVwJ
apple-domain-verification=g1zLJFCk2JdFCrqN
apple-domain-verification=R3kjyA3Iqckf6Qch
bXYA4TqtKpgYLAl8ElhFskw4K4F7OHCAoF0yICL+94++OgUqrYw9+KRtaLrlQbj3TLLlak/lnKG8ZP3sow3UEw==
duo_sso_verification=7bXdJOwOTyyP44sZYvbT1MEgXROHXrnqL8UG3eglQ2GpLD67E5fzEN9ttx0NDdys
google-site-verification=1QDwfuQdWQG5U38PyBGncfTMavfOP0EdSQk9WlR7OZM
google-site-verification=yFonv1lpC6bz5oB5Fs_2UoXXuZ78YMZpClxQr6cDJK0
have-i-been-pwned-verification=088aa77009648395972a4f35bee75367
have-i-been-pwned-verification=4c7fc7152b639a4531151431ffff43ed
have-i-been-pwned-verification=ea33580ffa92a4ffc1c3eac196c79cf2
have-i-been-pwned-verification=f1b50ada3080a45c60751dd43f14bef3
hibp-verify=dweb_q1waq69gl8awdp7nzdxb3fo1
MJnGb1Uj5DLWje7EOmWFNKVC+LFGfz9pHrg2aAvdbC6zOmSNSF45Qj5r4L/BbyMee5yI41WYax+ARnWebY5k/w==
n07T+WlRSc8lDTbZX9RsgT9PeS8N5v2B/97uGtnodhsgnewU+8O0Q4qxGqz8KJZCrqiNI+4YPnO2OiO/o4sAMw==
qZqXXdXPdbqw0hebvZQ956GMsc7OU9/0mP8a7+0uQL91D5dzPHh2ziraKq/B5ETqe1MEdG0FE5zv0KXzYqROMw==
uvmid=461401
v=spf1 ip4:185.19.134.5 ip4:185.19.134.27 include:spf.esis.dk ~all
vte0ifeYnEFGJKqWl8CHy1ECkiJ8icfhUwWl2dOp94tWTvc+i3dHolfsv/iwcSNQG0GGBddt7k9ySAAzTZc0hg==
wTI3wIonxTInq8FMebd2Z+pus+Z6ClqUE2r6foAhaUgQkZxmdLdbcr/+7Gc6GOs3+VsnuM+uHvaW6iFPZK+UDw==
YEaQ94RqvI3UsYJvmeGF6EJkIk5N0ObGZwbD4NmWgCs0YafIluJMMFM/0y3it0Oi9FEBpIhaMji4YssxHgc59A==
ySJ0lYNJPGbLfkAuz6UJ0RftoLstD8NlLh0OySYnhdB3Ps13wERKwqlCsSMvhR/ISSq57Kmd/IyTxAY/SQSGMg==

✉️ SPF#

Policy	Record (esis.dk)
~all (soft fail)	v=spf1 ip4:185.19.134.5 ip4:185.19.134.27 include:spf.esis.dk ~all

📨 DMARC#

Policy	Record (_dmarc.esis.dk)
p=reject	v=DMARC1;p=reject;sp=reject;rua=mailto:be7762a8bd@rua.easydmarc.eu,mailto:691de05358e14@dmarc-dk.centerasecurity.com;ruf=mailto:be7762a8bd@ruf.easydmarc.eu;fo=1

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 15:25:17

www CNAME	esis.dk (all on esis.dk) → 185.19.134.51 (AS199374)
www vs bare domain	Same network esis.dk: 185.19.134.51 (AS199374) www.esis.dk: 185.19.134.51 (AS199374)
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY
BIMI	v=BIMI1;l=https://esis.dk/assets/bimi.svg;

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-esis-dk._domainkey.syddanskerhvervsskole2.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-esis-dk._domainkey.syddanskerhvervsskole2.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.esis.dk	esiscert1.esis.local

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

113ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

32ms

Field	Value
Serial	2023071681
Primary NS (MNAME)	ns1.esis.dk
Responsible (RNAME)	hostmaster@esis.dk
Refresh	900s
Retry	600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-14 14:01:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-11-19
Expires	2026-11-30 (44d)

🔗 Same registrant#

24 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
10grindsted.dk	Punktum dk A/S (direct)
10odense.dk	Punktum dk A/S (direct)
10vejle.dk	Punktum dk A/S (direct)
cityofeducatia.dk	Punktum dk A/S (direct)
eali.dk	Punktum dk A/S (direct)
educatia.dk	Punktum dk A/S (direct)
htxvejle.dk	Punktum dk A/S (direct)
itsvejle.dk	ESIS-center
l-auskurser.dk	Punktum dk A/S (direct)
lauskurser.dk	Punktum dk A/S (direct)
otg.dk	Punktum dk A/S (direct)
sdbf.dk	Punktum dk A/S (direct)
sdegr10.dk	Punktum dk A/S (direct)
sdegr2.dk	Punktum dk A/S (direct)
sdegr3.dk	Punktum dk A/S (direct)
sdegr4.dk	Punktum dk A/S (direct)
sdegr8.dk	Punktum dk A/S (direct)
stabs.dk	Punktum dk A/S (direct)
tegsolution.dk	Punktum dk A/S (direct)
transportuddannelsescenter.dk	Punktum dk A/S (direct)
tsev.dk	Punktum dk A/S (direct)
vejlets.dk	Punktum dk A/S (direct)
vtg.dk	Punktum dk A/S (direct)
vucrk.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

37ms

42ms

AAAA

35ms

TXT

223ms

CAA

38ms

HTTPS

35ms

TLSA

743ms

SOA

32ms

MTA-STS

61ms

DNSSEC

113ms

SRV

75ms

Total

1707ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 15:25:17	1941ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 14:16:45	1102ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 13:39:49	4137ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 08:01:41	5668ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 04:00:29	1647ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 20:19:39	1616ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 20:11:04	5699ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 20:09:29	4436ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 17:30:32 shown	1707ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 17:27:53	1456ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 17:18:48	2465ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 17:14:16	1268ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 17:08:23	1300ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 17:03:36	2444ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 16:52:05	1424ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 16:42:41	971ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 16:26:27	1377ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 16:12:59	1034ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 15:54:52	1209ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 15:35:55	1095ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 04:19:13	1758ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 15:58:10	1879ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 15:48:58	871ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 03:41:53	1374ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 20:13:53	3910ms	2 NS 1 A 1 MX	🔒 Secure