flemming-efterskole.dk

📜 Historical scan 2026-08-20 23:59:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

flemming-efterskole.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.174 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. 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 67ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.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 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.174	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.176.223	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5bae	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:b0df	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 68ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.174,172.67.176.223 ech=AEX+DQBBWwAgACAl0cySpaKbsYtMDeQNpcuOADTNH4TNuNvI5zKwVsZwFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5bae,2606:4700:3033::ac43:b0df

📝 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 2026-10-12 13:34:24

www	104.21.91.174 172.67.176.223 2606:4700:3033::6815:5bae 2606:4700:3033::ac43:b0df (AS13335) (address records, no CNAME)
www vs bare domain	Same network flemming-efterskole.dk: 104.21.91.174 172.67.176.223 2606:4700:3033::6815:5bae 2606:4700:3033::ac43:b0df (AS13335) www.flemming-efterskole.dk: 104.21.91.174 172.67.176.223 2606:4700:3033::6815:5bae 2606:4700:3033::ac43:b0df (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.flemming-efterskole.dk	0Q3t8TpgDLKMG_gJQtu6WIKBrWjY861Vc4nkpP3WFBE
TXT	_acme-challenge.flemming-efterskole.dk	TP5cd3L0S_DfIA3rTyzHld9ojEG_xi9AZWv8tq9sn-A

🔗 TLSA / DANE#

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

🔐 DNSSEC#

216ms

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	2412744542
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

67ms

66ms

62ms

AAAA

61ms

TXT

295ms

CAA

64ms

HTTPS

68ms

TLSA

223ms

SOA

0ms

MTA-STS

106ms

DNSSEC

216ms

SRV

909ms

Total

3209ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 20:45:19	661ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 20:28:44	434ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 05:07:51	581ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 15:25:05	858ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 14:24:43	1046ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 22:07:13	660ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 14:18:32	2887ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-23 00:07:21	5191ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 23:59:55 shown	3209ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 17:38:42	1451ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:13:40	949ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 10:08:10	1869ms	2 NS 2 A 1 MX	🔓 Insecure