naturefterskolen.dk

Records from scan: 2026-10-17 15:48:05 · 2229ms total · last checked 2026-10-19 17:36 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

naturefterskolen.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 30 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.92.172 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by naturefterskolen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 99ms

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 145ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.172	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.147	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	naturefterskolen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::24 2a01:111:f403:ca09::28 2a01:111:f403:ca48::10	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

2 records 93ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:c493	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:5cac	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 94ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.172,172.67.196.147 ech=AEX+DQBBeQAgACBcrzCFe7fREIQtOcMeAD35ziE7ym244pSe5ME4ZNQZSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c493,2606:4700:3035::6815:5cac

🔌 SRV Records#

1 records 148ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 256ms

TXT Record
MS=ms61717394
v=spf1 mx ip4:93.176.80.241/32 ip4:152.115.94.181/32 ip4:51.137.205.22/24 a:mail.ishost.dk a:mail3.ishost.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (naturefterskolen.dk)
-all (hard fail)	v=spf1 mx ip4:93.176.80.241/32 ip4:152.115.94.181/32 ip4:51.137.205.22/24 a:mail.ishost.dk a:mail3.ishost.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.naturefterskolen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:f541eda17b6a4ae19902660200b5eff8@dmarc-reports.cloudflare.net

📬 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#

checked 2026-10-17 15:48:05

www	104.21.92.172 172.67.196.147 2606:4700:3030::ac43:c493 2606:4700:3035::6815:5cac (AS13335) (address records, no CNAME)
www vs bare domain	Same network naturefterskolen.dk: 104.21.92.172 172.67.196.147 2606:4700:3030::ac43:c493 2606:4700:3035::6815:5cac (AS13335) www.naturefterskolen.dk: 104.21.92.172 172.67.196.147 2606:4700:3030::ac43:c493 2606:4700:3035::6815:5cac (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
selector2	selector2-naturefterskolen-dk._domainkey.naturefterskolen.onmicrosoft.com	RSA · ~1024 bit below 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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

189ms

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

🏷️ SOA#

86ms

Field	Value
Serial	2417705615
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 15:07:53

Field	Value
Registrar	CURANET A/S
Registered	1999-12-30
Expires	2026-12-31 (71d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
aalestrup-efterskole.dk	CURANET A/S
aalestrupefterskole.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

99ms

145ms

109ms

AAAA

93ms

TXT

256ms

CAA

112ms

HTTPS

94ms

TLSA

630ms

SOA

86ms

MTA-STS

131ms

DNSSEC

189ms

SRV

148ms

Total

2229ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 15:48:05 shown	2229ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-16 14:39:37	6035ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 21:45:22	1000ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 15:24:02	1383ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-05 17:39:37	812ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-31 00:42:05	1834ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 11:43:28	9668ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 23:28:06	8645ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 15:27:10	1825ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 14:12:31	1328ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 21:19:48	2681ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 21:38:16	693ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 06:36:02	6145ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 04:42:09	2969ms	2 NS 1 A 1 MX	🔓 Insecure