esrumkostskole.dk

📜 Historical scan 2026-08-27 10:53:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

esrumkostskole.dk is a .dk domain served by 3 nameservers (ns1.stom.dk, ns2.stom.dk, ns3.stom.dk). It was registered on 16 September 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.116.13.122 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by esrumkostskole-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

3 records 85ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.stom.dk	172.105.72.183 2a01:7e01::f03c:94ff:fe6a:805d	ns1.dnsresolve.io —	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud
ns2.stom.dk	152.115.36.124	—	AS31027 GlobalConnect A/S
ns3.stom.dk	212.71.233.109 2a01:7e00::f03c:94ff:fe9f:2cca	212-71-233-109.ip.linodeusercontent.com —	AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud

🌍 A Records#

1 records 89ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.13.122	3600s	s6.stom.dk	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	esrumkostskole-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::26 52.101.209.153 52.101.68.5 52.101.73.145 52.101.73.153	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as8pr05cu00401.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	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 214ms

TXT Record
21.08.2024
MS=ms37310006
v=spf1 ip4:87.116.13.122 +a +mx include:spf.stom.dk +a +mx +ip4:94.130.64.37 +include:spf.protection.outlook.com +Include:spf.mailanyone.net +include:_spf.centerasecurity.dk -all
vpe=f2e300e4

✉️ SPF#

Policy	Record (esrumkostskole.dk)
-all (hard fail)	v=spf1 ip4:87.116.13.122 +a +mx include:spf.stom.dk +a +mx +ip4:94.130.64.37 +include:spf.protection.outlook.com +include:spf.mailanyone.net +include:_spf.centerasecurity.dk -all

📨 DMARC#

Policy	Record (_dmarc.esrumkostskole.dk)
p=reject	v=DMARC1; p=reject; ruf=mailto:dmarc@stom.dk

📬 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 2026-10-12 01:56:31

www CNAME	esrumkostskole.dk (all on esrumkostskole.dk) → 87.116.13.122 (AS31027)
www vs bare domain	Same network esrumkostskole.dk: 87.116.13.122 (AS31027) www.esrumkostskole.dk: 87.116.13.122 (AS31027)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit
selector1	selector1-esrumkostskole-dk._domainkey.esrumkostfriskole.onmicrosoft.com	RSA · ~1024 bit below 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: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.esrumkostskole.dk	1ZagkatvgYvC8jz3r6UYxo7W_rpZtp5uGNwZJonJfEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9123ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2025051299
Primary NS (MNAME)	ns1.stom.dk
Responsible (RNAME)	cpanel@stom.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-27 17:09:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-09-16
Expires	2027-09-30 (337d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

85ms

89ms

73ms

AAAA

55ms

TXT

214ms

CAA

70ms

HTTPS

62ms

TLSA

316ms

SOA

0ms

MTA-STS

61ms

DNSSEC

9123ms

SRV

90ms

Total

10057ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 10:55:47	926ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-28 08:11:44	11449ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-26 07:37:47	1378ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-06 07:35:33	1056ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 10:53:01 shown	10057ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-27 05:02:46	1480ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 08:24:07	467ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 08:24:05	2723ms	3 NS 1 A 1 MX	🔓 Insecure