n-efterskole.dk

📜 Historical scan 2026-09-16 02:07:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

n-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 104.21.49.174 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, 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 187ms

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 157ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.49.174	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.191.128	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 170ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	108.177.14.27 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b	lt-in-f27.1e100.net lh-in-f27.1e100.net lh-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 204ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:bf80	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:31ae	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 157ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.49.174,172.67.191.128 ech=AEX+DQBBqAAgACBdQ+N1mPWDRJnhJgTicn2MaIrMJeWkgJf+DsahrBTNTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:bf80,2606:4700:3036::6815:31ae

📝 TXT Records#

1 records 787ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (n-efterskole.dk)
~all (soft fail)	v=spf1 include:_spf.google.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 2026-10-11 19:47:01

www	104.21.49.174 172.67.191.128 2606:4700:3034::ac43:bf80 2606:4700:3036::6815:31ae (AS13335) (address records, no CNAME)
www vs bare domain	Same network n-efterskole.dk: 104.21.49.174 172.67.191.128 2606:4700:3034::ac43:bf80 2606:4700:3036::6815:31ae (AS13335) www.n-efterskole.dk: 104.21.49.174 172.67.191.128 2606:4700:3034::ac43:bf80 2606:4700:3036::6815:31ae (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~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: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.n-efterskole.dk	61wlCVgVTx8btwOxyyGstLBn5xZp5SHro0YBLesBEgU
TXT	_acme-challenge.n-efterskole.dk	ZRd7IRofj2JWYrGgD_zFvwCR4rcTnfQAUsJPW-MYplY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

634ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2414963666
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#

187ms

157ms

170ms

AAAA

204ms

TXT

787ms

CAA

138ms

HTTPS

157ms

TLSA

668ms

SOA

0ms

MTA-STS

501ms

DNSSEC

634ms

SRV

479ms

Total

4609ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 19:47:01	2147ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-23 03:42:03	1335ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-16 02:07:06 shown	4609ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-24 15:48:10	6054ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-02 01:34:12	1244ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-23 21:21:20	1420ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-20 03:49:54	10711ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-08 19:39:27	10705ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-17 21:49:28	902ms	2 NS 2 A 5 MX	🔒 Secure