juf.dk

📜 Historical scan 2026-09-26 02:50:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

juf.dk is a .dk domain served by 2 nameservers (jamie.ns.cloudflare.com, sam.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.46.197 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 2 more. The zone is not DNSSEC-signed, 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
jamie.ns.cloudflare.com	108.162.192.168 172.64.32.168 173.245.58.168 2606:4700:50::adf5:3aa8 2803:f800:50::6ca2:c0a8 2a06:98c1:50::ac40:20a8	jamie.ns.cloudflare.com jamie.ns.cloudflare.com jamie.ns.cloudflare.com jamie.ns.cloudflare.com jamie.ns.cloudflare.com jamie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sam.ns.cloudflare.com	108.162.193.141 172.64.33.141 173.245.59.141 2606:4700:58::adf5:3b8d 2803:f800:50::6ca2:c18d 2a06:98c1:50::ac40:218d	sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.46.197	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.141.169	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 64.233.162.26	lr-in-f27.1e100.net lr-in-x1b.1e100.net li-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:2ec5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:8da9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.46.197,172.67.141.169 ech=AEX+DQBBKwAgACC/jGx8cCRqH5/VMLB4Nf50R0T28xtqI4gHbwbqruc0ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:2ec5,2606:4700:3036::ac43:8da9

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 12:27:56

www	104.21.46.197 172.67.141.169 2606:4700:3036::6815:2ec5 2606:4700:3036::ac43:8da9 (AS13335) (address records, no CNAME)
www vs bare domain	Same network juf.dk: 104.21.46.197 172.67.141.169 2606:4700:3036::6815:2ec5 2606:4700:3036::ac43:8da9 (AS13335) www.juf.dk: 104.21.46.197 172.67.141.169 2606:4700:3036::6815:2ec5 2606:4700:3036::ac43:8da9 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.juf.dk	kMdO560V0U3URta0FfQ7TCUv4ukf6wt0UeZmnO1Wy4c
TXT	_acme-challenge.juf.dk	xYY2EMzycEg1mPX73H4BOjeXFP0pp_pMFVVdQ3Mqpmk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

74ms

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	2415823186
Primary NS (MNAME)	jamie.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

29ms

39ms

AAAA

38ms

TXT

187ms

CAA

39ms

HTTPS

38ms

TLSA

68ms

SOA

0ms

MTA-STS

47ms

DNSSEC

74ms

SRV

60ms

Total

682ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 08:17:20	664ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-30 03:47:46	1242ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-27 02:57:48	817ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-26 02:50:42 shown	682ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-20 14:55:48	3080ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-09 23:38:53	1434ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-06 01:30:22	1440ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-29 04:18:32	1928ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-27 04:27:20	1793ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-18 08:44:08	1158ms	2 NS 2 A 4 MX	🔓 Insecure