flemming-efterskole.dk

📜 Historical scan 2026-08-27 14:18:32 · ← 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 58ms

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 59ms

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 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.150.26 142.251.1.27 172.253.130.26 172.253.152.26 172.253.152.27 2a00:1450:4010:c1c::1b 2a00:1450:4010:c20::1b 2a00:1450:4010:c22::1a 2a00:1450:4010:c22::1b	la-in-f26.1e100.net lb-in-f27.1e100.net yulppbn-in-f26.1e100.net yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net la-in-f27.1e100.net yulppbn-in-f27.1e100.net yulpptr-in-f26.1e100.net yulpptr-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 AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 59ms

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 51ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.174,172.67.176.223 ech=AEX+DQBBqgAgACDoLtW1D936N1IOECuxYRRPe7h8MJBej8DNLfjBq/ZvQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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	lFaCvzGAoWjx6Vugvjw2NIUhSKr8GxxfzgqCr1hftxQ
TXT	_acme-challenge.flemming-efterskole.dk	qez3ghoFTSFOp694gjQq2DOeLE-oD4Sm5CH1srSwBWs

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2079ms

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	2412902849
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#

58ms

59ms

27ms

AAAA

59ms

TXT

247ms

CAA

53ms

HTTPS

51ms

TLSA

139ms

SOA

0ms

MTA-STS

116ms

DNSSEC

2079ms

SRV

84ms

Total

2887ms

🕐 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 shown	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	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