syc.dk

📜 Historical scan 2026-10-03 06:28:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

syc.dk is a .dk domain served by 2 nameservers (carioca.ns.cloudflare.com, roman.ns.cloudflare.com). It was registered on 9 June 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.131 is hosted by Cloudflare, Inc. (AS13335). 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
carioca.ns.cloudflare.com	108.162.194.20 162.159.38.20 172.64.34.20 2606:4700:50::a29f:2614 2803:f800:50::6ca2:c214 2a06:98c1:50::ac40:2214	carioca.ns.cloudflare.com carioca.ns.cloudflare.com carioca.ns.cloudflare.com carioca.ns.cloudflare.com carioca.ns.cloudflare.com carioca.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
roman.ns.cloudflare.com	108.162.195.103 162.159.44.103 172.64.35.103 2606:4700:58::a29f:2c67 2803:f800:50::6ca2:c367 2a06:98c1:50::ac40:2367	roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com roman.ns.cloudflare.com roman.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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.131	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.219.206	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5b83	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:dbce	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.131,172.67.219.206 ech=AEX+DQBBxgAgACC9Qmdo1vLZNfdD5FJhCEk0CCwkrR7wnaR5TPwUYv3MHAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b83,2606:4700:3037::ac43:dbce

📝 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 2026-10-08 04:46:11

www CNAME	gomember2-fkg0ggbxftbtgge7.z03.azurefd.net (all on azurefd.net) → 150.171.109.193 2603:1061:14:c0::1 (AS8075)
www vs bare domain	Different networks syc.dk: 104.21.91.131 172.67.219.206 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.syc.dk: 150.171.109.193 2603:1061:14:c0::1 (AS8075) (all like this)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2413165578
Primary NS (MNAME)	carioca.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 11:09:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-06-09
Expires	2027-06-30 (253d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

30ms

49ms

AAAA

56ms

TXT

159ms

CAA

51ms

HTTPS

32ms

TLSA

57ms

SOA

49ms

MTA-STS

83ms

DNSSEC

78ms

SRV

75ms

Total

487ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 04:46:11	515ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-03 06:28:30 shown	487ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-01 01:36:30	1240ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 00:55:38	740ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 04:21:58	876ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-09 23:22:13	969ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 22:17:41	711ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 02:08:03	700ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 15:33:12	771ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 23:53:23	789ms	2 NS 2 A 0 MX	🔓 Insecure