arktisk.dk

📜 Historical scan 2026-10-05 22:38:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arktisk.dk is a .dk domain served by 2 nameservers (bradley.ns.cloudflare.com, nadia.ns.cloudflare.com). It was registered on 27 February 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.157 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by arktisk-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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
bradley.ns.cloudflare.com	108.162.195.35 162.159.44.35 172.64.35.35 2606:4700:58::a29f:2c23 2803:f800:50::6ca2:c323 2a06:98c1:50::ac40:2323	bradley.ns.cloudflare.com bradley.ns.cloudflare.com bradley.ns.cloudflare.com bradley.ns.cloudflare.com bradley.ns.cloudflare.com bradley.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nadia.ns.cloudflare.com	108.162.192.207 172.64.32.207 173.245.58.207 2606:4700:50::adf5:3acf 2803:f800:50::6ca2:c0cf 2a06:98c1:50::ac40:20cf	nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.157	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.111	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	arktisk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::24 2a01:111:f403:ca21::a 2a01:111:f403:ca48::a 52.101.103.140 52.101.185.21 52.101.73.123 52.101.73.145	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 52.98.154.136
🔶 Autoconfig	172.67.178.111

🔷 AAAA Records (IPv6)#

2 records 71ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b26f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:4b9d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.157,172.67.178.111 ech=AEX+DQBByQAgACARSEyUUoZDvfB1o3sPlAi1YnRXQeF2vwdq1lVonPoVEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b26f,2606:4700:3033::6815:4b9d

📝 TXT Records#

1 records 352ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.arktisk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:4e84d4e383ef4979b335714ac3fb04c1@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 2026-10-16 11:06:27

www	104.21.75.157 172.67.178.111 2606:4700:3032::ac43:b26f 2606:4700:3033::6815:4b9d (AS13335) (address records, no CNAME)
www vs bare domain	Same network arktisk.dk: 104.21.75.157 172.67.178.111 2606:4700:3032::ac43:b26f 2606:4700:3033::6815:4b9d (AS13335) www.arktisk.dk: 104.21.75.157 172.67.178.111 2606:4700:3032::ac43:b26f 2606:4700:3033::6815:4b9d (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-arktisk-dk._domainkey.arktiskinstitut.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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.arktisk.dk	_Kgq0TN3fone_cfYogTbJbPxHnSTeWfNsQogtHiNcnY
TXT	_acme-challenge.arktisk.dk	zLJ-7CIzkJHZ6cmWLo85xcLffbb1rHm4f0e30QizKsw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

93ms

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

🏷️ SOA#

57ms

Field	Value
Serial	2416715015
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 23:20:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-02-27
Expires	2027-02-28 (133d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

50ms

57ms

AAAA

71ms

TXT

352ms

CAA

56ms

HTTPS

57ms

TLSA

694ms

SOA

57ms

MTA-STS

97ms

DNSSEC

93ms

SRV

139ms

Total

1399ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 23:17:01	1014ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-05 22:38:59 shown	1399ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-04 22:36:42	1383ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 22:10:34	882ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-28 05:37:12	1438ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-09 23:23:01	1667ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-05 10:56:41	814ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-03 14:47:13	1034ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-10 18:04:07	2438ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-09 15:46:50	4863ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 03:56:40	1669ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-18 18:12:25	3696ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 03:43:26	1544ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 02:27:13	964ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 16:09:28	4599ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 15:30:34	1020ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 08:41:19	1136ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 03:45:59	913ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 00:43:44	2590ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 13:40:17	3128ms	2 NS 2 A 1 MX	🔒 Secure