gkskoler.dk

📜 Historical scan 2026-06-17 10:29:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gkskoler.dk is a .dk domain served by 3 nameservers (mimer.deic.dk, ns-soa.darenet.dk, orion.i2.dk). It was registered on 23 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.48.120.91 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail01.mxhotel.dk. The zone is not DNSSEC-signed, has no 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
mimer.deic.dk	2001:87f:ff27:65::66 95.128.27.66	mimer.deic.dk mimer.deic.dk	AS198455 Danmarks Tekniske Universitet AS198455 Danmarks Tekniske Universitet
ns-soa.darenet.dk	130.226.179.50 2001:878:0:e000:82:e2:b3:32	ns-soa.darenet.dk ns-soa.darenet.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
orion.i2.dk	78.153.182.90	orion.i2.dk	AS31027 GlobalConnect A/S

🌍 A Records#

1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.48.120.91	—	—	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail01.mxhotel.dk	2a02:2350:5:102:80c6:164d:726d:645c 77.111.240.184	— webcluster57.webpod11-cph3.one.com	AS51468 One.com A/S AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 230ms

TXT Record
SOA=1692718472
v=spf1 include:outlook.com ~all

✉️ SPF#

Policy	Record (gkskoler.dk)
~all (soft fail)	v=spf1 include:outlook.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 04:01:55

www	87.48.120.91 (AS3292) (address records, no CNAME)
www vs bare domain	Same network gkskoler.dk: 87.48.120.91 (AS3292) www.gkskoler.dk: 87.48.120.91 (AS3292)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

64ms

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

🏷️ SOA#

50ms

Field	Value
Serial	1692718472
Primary NS (MNAME)	mimer.deic.dk
Responsible (RNAME)	dns@support.i2.dk
Refresh	16384s
Retry	2048s
Expire	2097152s
Minimum (neg-cache TTL)	2560s

📋 Registration#

WHOIS fetched 2026-10-06 01:54:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-02-23
Expires	2027-02-28 (131d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

52ms

44ms

AAAA

47ms

TXT

230ms

CAA

49ms

HTTPS

29ms

TLSA

91ms

SOA

50ms

MTA-STS

44ms

DNSSEC

64ms

SRV

0ms

Total

611ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:03:39	529ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-03 21:54:01	852ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:32:32	602ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:29:09 shown	611ms	3 NS 1 A 1 MX	🔓 Insecure