3fkongres.dk

Records from scan: 2026-10-04 00:31:41 · 798ms total · last checked 2026-10-15 23:52 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3fkongres.dk is a .dk domain served by 2 nameservers (jay.ns.cloudflare.com, uma.ns.cloudflare.com). It was registered on 28 June 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.78.37 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
jay.ns.cloudflare.com	108.162.193.123 172.64.33.123 173.245.59.123 2606:4700:58::adf5:3b7b 2803:f800:50::6ca2:c17b 2a06:98c1:50::ac40:217b	jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com jay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uma.ns.cloudflare.com	108.162.192.146 172.64.32.146 173.245.58.146 2606:4700:50::adf5:3a92 2803:f800:50::6ca2:c092 2a06:98c1:50::ac40:2092	uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.ns.cloudflare.com uma.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.78.37	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.215.187	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:4e25	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d7bb	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=104.21.78.37,172.67.215.187 ech=AEX+DQBBHAAgACADgNX3pEoZNJKa75SVrjpYeYVAQXx0cm1kSrLTeKdGZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4e25,2606:4700:3035::ac43:d7bb

📝 TXT Records#

1 records 175ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (3fkongres.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.3fkongres.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#

checked 2026-10-08 06:05:22

www	104.21.78.37 172.67.215.187 2606:4700:3035::6815:4e25 2606:4700:3035::ac43:d7bb (AS13335) (address records, no CNAME)
www vs bare domain	Same network 3fkongres.dk: 104.21.78.37 172.67.215.187 2606:4700:3035::6815:4e25 2606:4700:3035::ac43:d7bb (AS13335) www.3fkongres.dk: 104.21.78.37 172.67.215.187 2606:4700:3035::6815:4e25 2606:4700:3035::ac43:d7bb (AS13335)
Wildcard	No

🔎 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#

119ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2416534223
Primary NS (MNAME)	jay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 05:56:10

Field	Value
Registrar	Simply.com A/S
Registered	2010-06-28
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

39ms

51ms

AAAA

44ms

TXT

175ms

CAA

45ms

HTTPS

38ms

TLSA

60ms

SOA

35ms

MTA-STS

58ms

DNSSEC

119ms

SRV

60ms

Total

798ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 00:31:41 shown	798ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 00:07:56	473ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 18:36:49	518ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-22 14:25:07	1355ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-18 08:37:11	1284ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 06:48:31	1045ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-07 08:21:10	8700ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-21 11:49:24	2771ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 22:09:42	777ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 14:54:18	1132ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 12:42:13	505ms	2 NS 2 A 0 MX	🔓 Insecure