ursa.dk

📜 Historical scan 2026-06-18 05:51:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ursa.dk is a .dk domain served by 2 nameservers (ivy.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 27 July 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.136 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. 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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ivy.ns.cloudflare.com	108.162.192.120 172.64.32.120 173.245.58.120 2606:4700:50::adf5:3a78 2803:f800:50::6ca2:c078 2a06:98c1:50::ac40:2078	ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.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 50ms

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

📧 MX Records#

2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx01.mail.icloud.com mx02.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	—	mx02.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:788	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:87f6	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.136,172.67.135.246 ech=AEX+DQBB5QAgACChQx2i+yB+lajFIzQxGHXruxhXb+XaBa5Rn/GiSbZUegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:788,2606:4700:3035::ac43:87f6

📝 TXT Records#

3 records 150ms

TXT Record
apple-domain=4aa8Qjc27z4I62T4
apple-domain=52B8vpMu9bcA5Y4G
v=spf1 include:_spf.mx.cloudflare.net include:icloud.com ~all

✉️ SPF#

Policy	Record (ursa.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net include:icloud.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#

10 records 40ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 15:50:12

www	104.21.7.136 172.67.135.246 2606:4700:3032::6815:788 2606:4700:3035::ac43:87f6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ursa.dk: 104.21.7.136 172.67.135.246 2606:4700:3032::6815:788 2606:4700:3035::ac43:87f6 (AS13335) www.ursa.dk: 104.21.7.136 172.67.135.246 2606:4700:3032::6815:788 2606:4700:3035::ac43:87f6 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

75ms

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

🏷️ SOA#

53ms

Field	Value
Serial	2406333629
Primary NS (MNAME)	ivy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 04:38:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-07-27
Expires	2035-07-31 (3208d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

49ms

AAAA

37ms

TXT

150ms

CAA

40ms

HTTPS

44ms

TLSA

73ms

SOA

53ms

MTA-STS

37ms

DNSSEC

75ms

SRV

79ms

Total

1224ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 15:50:12	1155ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-12 13:57:31	648ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-06 04:18:46	568ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-03 03:59:25	1582ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-14 18:03:13	847ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-28 03:00:10	1269ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-27 03:48:44	1496ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-18 20:37:04	5300ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-15 02:07:01	4241ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-07 03:44:10	1986ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-02 09:57:37	9234ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-25 23:28:08	2189ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-18 08:17:15	10060ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-04 22:23:59	2230ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-03 14:03:29	1276ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-20 07:44:20	1830ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-18 05:51:58 shown	1224ms	2 NS 2 A 2 MX	🔒 Secure