arktiskinstitut.dk

📜 Historical scan 2026-06-16 12:50:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arktiskinstitut.dk is a .dk domain served by 2 nameservers (bradley.ns.cloudflare.com, nadia.ns.cloudflare.com). It was registered on 19 September 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.112 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by arktiskinstitut-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 67ms

Nameserver	IP addresses	PTR	ASN / ISP
bradley.ns.cloudflare.com	—	—	—
nadia.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.112	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.191.249	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	arktiskinstitut-dk.mail.protection.outlook.com	52.101.68.3 52.101.68.5 52.101.73.1 52.101.73.28	mail-db7pr03cu00403.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 63ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:bff9	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:b70	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 85ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.112,172.67.191.249 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:bff9,2606:4700:3034::6815:b70

📝 TXT Records#

1 records 177ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (arktiskinstitut.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.arktiskinstitut.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:2a4dd9c41f634bbc8dcd9e9fa2ad5fab@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#

latest probe, not this scan · checked 2026-10-09 10:36:32

www	104.21.11.112 172.67.191.249 2606:4700:3030::ac43:bff9 2606:4700:3033::6815:b70 (AS13335) (address records, no CNAME)
www vs bare domain	Same network arktiskinstitut.dk: 104.21.11.112 172.67.191.249 2606:4700:3030::ac43:bff9 2606:4700:3033::6815:b70 (AS13335) www.arktiskinstitut.dk: 104.21.11.112 172.67.191.249 2606:4700:3030::ac43:bff9 2606:4700:3033::6815:b70 (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-arktiskinstitut-dk._domainkey.arktiskinstitut.w-v1.dkim.mail.microsoft	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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

237ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2406350795
Primary NS (MNAME)	bradley.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 05:40:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-09-19
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

67ms

49ms

64ms

AAAA

63ms

TXT

177ms

CAA

65ms

HTTPS

85ms

TLSA

215ms

SOA

50ms

MTA-STS

49ms

DNSSEC

237ms

SRV

0ms

Total

1702ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:36:32	1420ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-04 05:21:39	1111ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-28 04:22:56	1639ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-08 09:56:51	2159ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 17:26:07	3041ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-12 04:56:12	10625ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 11:27:47	2563ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-17 21:24:38	1277ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-25 06:43:20	3954ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 12:50:17 shown	1702ms	2 NS 2 A 1 MX	🔒 Secure