sidste-skoledag.dk

📜 Historical scan 2026-09-30 13:48:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sidste-skoledag.dk is a .dk domain served by 2 nameservers (frank.ns.cloudflare.com, lila.ns.cloudflare.com). It was registered on 8 June 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.144 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 77ms

Nameserver	IP addresses	PTR	ASN / ISP
frank.ns.cloudflare.com	108.162.193.166 172.64.33.166 173.245.59.166 2606:4700:58::adf5:3ba6 2803:f800:50::6ca2:c1a6 2a06:98c1:50::ac40:21a6	frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com frank.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lila.ns.cloudflare.com	108.162.192.186 172.64.32.186 173.245.58.186 2606:4700:50::adf5:3aba 2803:f800:50::6ca2:c0ba 2a06:98c1:50::ac40:20ba	lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.90.144	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.193	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.90.144
🔶 Autoconfig	172.67.157.193

🔷 AAAA Records (IPv6)#

2 records 71ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5a90	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:9dc1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 83ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.144,172.67.157.193 ech=AEX+DQBBmwAgACAv4ShE74ptABAVVTNRaRqLWHw/q5ExHTd+wAz0MBCmGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5a90,2606:4700:3033::ac43:9dc1

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-11 21:13:28

www	104.21.90.144 172.67.157.193 2606:4700:3032::6815:5a90 2606:4700:3033::ac43:9dc1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sidste-skoledag.dk: 104.21.90.144 172.67.157.193 2606:4700:3032::6815:5a90 2606:4700:3033::ac43:9dc1 (AS13335) www.sidste-skoledag.dk: 104.21.90.144 172.67.157.193 2606:4700:3032::6815:5a90 2606:4700:3033::ac43:9dc1 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

192ms

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

🏷️ SOA#

68ms

Field	Value
Serial	2416176251
Primary NS (MNAME)	frank.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 15:58:51

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-06-08
Expires	2027-06-07 (227d)

📋 WHOIS#

⏱️ Lookup Timing#

77ms

83ms

62ms

AAAA

71ms

TXT

290ms

CAA

102ms

HTTPS

83ms

TLSA

153ms

SOA

68ms

MTA-STS

119ms

DNSSEC

192ms

SRV

140ms

Total

1128ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 15:30:34	433ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 13:48:39 shown	1128ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-08 10:11:44	1642ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-04 02:29:00	1257ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 06:20:20	13334ms	2 NS 2 A 0 MX	🔓 Insecure