scienceefterskolen.dk

📜 Historical scan 2026-10-02 15:20:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

scienceefterskolen.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 16 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.41.222 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by scienceefterskolen-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 59ms

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
104.21.41.222	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.194.208	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	scienceefterskolen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::f 2a01:111:f403:ca38::8 2a01:111:f403:ca48::a 52.101.103.36 52.101.68.25 52.101.91.162 52.101.91.21	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com mail-matpr05cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136
🔶 Autoconfig	104.21.41.222

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:29de	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:c2d0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.222,172.67.194.208 ech=AEX+DQBBiQAgACAZR1XMl+Sp8r3q7/MwvfVdIoCxIwhD9Yx2Bg37zc3NTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:29de,2606:4700:3034::ac43:c2d0

📝 TXT Records#

2 records 207ms

TXT Record
cisco-ci-domain-verification=7f237e8d32e1db1e752714c34b2aedf6d56775c338a88c0b85ee0530065996a5
v=spf1 ip4:89.184.154.84 ip4:94.231.103.127 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (scienceefterskolen.dk)
-all (hard fail)	v=spf1 ip4:89.184.154.84 ip4:94.231.103.127 include:spf.protection.outlook.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.scienceefterskolen.dk)
p=reject	v=DMARC1; p=reject

📬 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 2026-10-07 19:03:31

www	104.21.41.222 172.67.194.208 2606:4700:3033::6815:29de 2606:4700:3034::ac43:c2d0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network scienceefterskolen.dk: 104.21.41.222 172.67.194.208 2606:4700:3033::6815:29de 2606:4700:3034::ac43:c2d0 (AS13335) www.scienceefterskolen.dk: 104.21.41.222 172.67.194.208 2606:4700:3033::6815:29de 2606:4700:3034::ac43:c2d0 (AS13335)
Wildcard	Yes: any name under the zone resolves
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
selector1	selector1-scienceefterskolen-dk._domainkey.nordborgslot.onmicrosoft.com	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

83ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2416385097
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 18:17:57

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-04-16
Expires	2027-04-30 (189d)

🔗 Same registrant#

3 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
nordborg-slot.dk	Punktum dk A/S (direct)
nordborgslot.dk	Simply.com A/S
nse.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

59ms

47ms

AAAA

43ms

TXT

207ms

CAA

54ms

HTTPS

50ms

TLSA

308ms

SOA

47ms

MTA-STS

89ms

DNSSEC

83ms

SRV

106ms

Total

887ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 19:03:31	1627ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 15:20:52 shown	887ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 13:31:11	1194ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 13:23:18	916ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 09:45:08	739ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 01:29:02	1579ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 20:51:42	12895ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-01 06:07:19	983ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 20:46:37	1282ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-13 06:43:39	7075ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-07 00:21:30	2224ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-20 07:06:29	2167ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-01 00:20:17	1665ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-28 02:51:19	1538ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 17:57:41	1137ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 17:26:50	1596ms	2 NS 2 A 1 MX	🔒 Secure