udviklr.dk

📜 Historical scan 2026-09-20 06:04:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

udviklr.dk is a .dk domain served by 2 nameservers (arvind.ns.cloudflare.com, princess.ns.cloudflare.com). It was registered on 28 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.87 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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 92ms

Nameserver	IP addresses	PTR	ASN / ISP
arvind.ns.cloudflare.com	108.162.195.227 162.159.44.227 172.64.35.227 2606:4700:58::a29f:2ce3 2803:f800:50::6ca2:c3e3 2a06:98c1:50::ac40:23e3	arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com arvind.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
princess.ns.cloudflare.com	108.162.194.17 162.159.38.17 172.64.34.17 2606:4700:50::a29f:2611 2803:f800:50::6ca2:c211 2a06:98c1:50::ac40:2211	princess.ns.cloudflare.com princess.ns.cloudflare.com princess.ns.cloudflare.com princess.ns.cloudflare.com princess.ns.cloudflare.com princess.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 117ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.87	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.191.153	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 114ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.9.26 2a00:1450:4025:c01::1a	rc-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 124ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:bf99	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4c57	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 119ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.87,172.67.191.153 ech=AEX+DQBBWwAgACAGOAZRsmtsOYdqQrSjhzeiBzy39oe9dGw4OXxjOSzJEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:bf99,2606:4700:3035::6815:4c57

📝 TXT Records#

2 records 264ms

TXT Record
google-site-verification=4OBkCjRPeYuqPh10Ub1rVse4lpLwwhg80jIc_hZ3_u4
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (udviklr.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.udviklr.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:589290b4594a4bf89ffacb4dd3851eaf@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 2026-10-13 23:00:14

www	NXDOMAIN
www vs bare domain	www does not resolve udviklr.dk: 104.21.76.87 172.67.191.153 2606:4700:3033::ac43:bf99 2606:4700:3035::6815:4c57 (AS13335) www.udviklr.dk: no address (all like this)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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#

179ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2414868188
Primary NS (MNAME)	arvind.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 10:20:17

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-03-28
Expires	2027-03-27 (160d)

🔗 Same registrant#

6 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
forbrugr.dk	DANDOMAIN A/S
kronr.dk	DANDOMAIN A/S
m-flor.dk	Simply.com A/S
magnusflor.dk	Simply.com A/S
tjekr.dk	DANDOMAIN A/S
ventr.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

92ms

117ms

114ms

AAAA

124ms

TXT

264ms

CAA

125ms

HTTPS

119ms

TLSA

439ms

SOA

0ms

MTA-STS

100ms

DNSSEC

179ms

SRV

144ms

Total

1783ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 23:40:09	611ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 23:34:41	1343ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-20 06:04:04 shown	1783ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-13 05:02:10	1613ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-11 07:15:55	2553ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 07:33:31	1110ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 03:53:32	1172ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-17 02:38:54	1383ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-08 22:18:50	2464ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-02 16:37:14	1864ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-25 19:07:11	999ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 00:19:00	1080ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-18 02:31:35	1513ms	2 NS 2 A 5 MX	🔓 Insecure