ucj.dk

📜 Historical scan 2026-06-19 09:17:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ucj.dk is a .dk domain served by 2 nameservers (kallie.ns.cloudflare.com, ryan.ns.cloudflare.com). It was registered on 31 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.50 is hosted by Cloudflare, Inc. (AS13335). 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 53ms

Nameserver	IP addresses	PTR	ASN / ISP
kallie.ns.cloudflare.com	108.162.194.85 162.159.38.85 172.64.34.85 2606:4700:50::a29f:2655 2803:f800:50::6ca2:c255 2a06:98c1:50::ac40:2255	kallie.ns.cloudflare.com kallie.ns.cloudflare.com kallie.ns.cloudflare.com kallie.ns.cloudflare.com kallie.ns.cloudflare.com kallie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryan.ns.cloudflare.com	108.162.195.229 162.159.44.229 172.64.35.229 2606:4700:58::a29f:2ce5 2803:f800:50::6ca2:c3e5 2a06:98c1:50::ac40:23e5	ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.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
104.21.62.50	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.220.66	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:dc42	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:3e32	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.50,172.67.220.66 ech=AEX+DQBBmAAgACDfDiA8xc92kuaz2LwTl2RYEC9S5DPWPdpWYke7/BM3DwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:dc42,2606:4700:3036::6815:3e32

📝 TXT Records#

1 records 176ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (ucj.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.ucj.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 19:15:48

www	104.21.62.50 172.67.220.66 2606:4700:3032::6815:3e32 2606:4700:3037::ac43:dc42 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ucj.dk: 104.21.62.50 172.67.220.66 2606:4700:3032::6815:3e32 2606:4700:3037::ac43:dc42 (AS13335) www.ucj.dk: 104.21.62.50 172.67.220.66 2606:4700:3032::6815:3e32 2606:4700:3037::ac43:dc42 (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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2407249854
Primary NS (MNAME)	kallie.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 08:28:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-07-31
Expires	2027-07-30 (285d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

59ms

47ms

AAAA

51ms

TXT

176ms

CAA

56ms

HTTPS

49ms

TLSA

89ms

SOA

0ms

MTA-STS

113ms

DNSSEC

114ms

SRV

221ms

Total

976ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 19:15:48	1366ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-10 07:46:29	2016ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-30 10:59:44	816ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-30 00:35:46	533ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-28 00:24:19	650ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-23 17:00:39	652ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-30 01:56:11	1264ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-26 21:10:29	513ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-24 16:32:04	1178ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-12 08:07:35	795ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-06 11:14:20	961ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-17 02:50:12	1431ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-29 01:40:44	839ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-20 00:10:43	2647ms	2 NS 2 A 0 MX	⚠️ Bogus
2026-06-19 09:17:05 shown	976ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-18 03:10:46	2721ms	2 NS 2 A 0 MX	🔒 Secure